BOSCH GCM 10 GDJ Sliding Mitre Saw Instruction Manual

: June 12, 2024
: Bosch

Table of Contents

BOSCH GCM 10 GDJ Sliding Mitre Saw
Product Information
Product Usage Instructions
Safety Instructions
Symbols
Product Description and Specifications
Technical Data
Assembly
Operation
Practical advice
Maintenance and Service
Accessories
CONTACT
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

BOSCH GCM 10 GDJ Sliding Mitre Saw

BOSCH-GCM-10-GDJ-Sliding-Mitre-Saw-image

Product Information

Product Name: GCM 10 GDJ Professional
Manufacturer: Robert Bosch Power Tools GmbH Model Number: 1 609 92A 7N4
Website: www.bosch-pt.com
Country of Origin: Germany

Product Usage Instructions

Safety Precautions:
- Read all safety instructions before using the product.
- The term “power tool” refers to both corded and cordless tools.
- Use a residual current device (RCD) when operating the power tool in a wet environment to reduce the risk of electric shock.
- Ensure the safety of individuals when using the power tool.
Workplace Safety:
- Follow all safety guidelines to ensure a safe working environment.
Electrical Safety:
- Only use the power tool with original replacement parts.
- Do not modify the power tool or its components.
- Keep the power tool away from water and other liquids.
Handling and Maintenance of the Power Tool:
- Only allow qualified professionals to repair the power tool using original replacement parts. –
- Regularly clean and inspect the power tool for any damage.
- Avoid using the power tool if any parts are damaged or worn out.
Symbols and their Meanings:
- Wear a dust mask when operating the power tool.
- Wear safety goggles when operating the power tool.
- Refer to the instruction manual for specific dimensions and measurements. Please refer to the complete user manual for detailed instructions on operating and maintaining the GCM 10 GDJ Professional.

Safety Instructions

General Power Tool Safety Warnings

WARNING Read all safety warnings, instructions, illustrations and specifications provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire and/or serious injury.
Save all warnings and instructions for future reference.
The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.

Work area safety

Keep work area clean and well lit. Cluttered or dark areas invite accidents.
Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases or dust. Power tools create sparks which may ignite the dust or fumes.
Keep children and bystanders away while operating a power tool. Distractions can cause you to lose control.

Electrical safety

Power tool plugs must match the outlet. Never modify the plug in any way. Do not use any adapter plugs with earthed (grounded) power tools. Unmodified plugs and matching outlets will reduce risk of electric shock.
Avoid body contact with earthed or grounded surfaces, such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is earthed or grounded.
Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock.
Do not abuse the cord. Never use the cord for carrying, pulling or unplugging the power tool. Keep cord away from heat, oil, sharp edges or moving parts. Damaged or entangled cords increase the risk of electric shock.
When operating a power tool outdoors, use an extension cord suitable for outdoor use. Use of a cord suitable for outdoor use reduces the risk of electric shock.
If operating a power tool in a damp location is unavoidable, use a residual current device (RCD) protected supply. Use of an RCD reduces the risk of electric shock.

Personal safety

Stay alert, watch what you are doing and use common sense when operating a power tool. Do not use a power tool while you are tired or under the influence of drugs, alcohol or medication. A moment of inattention while operating power tools may result in serious personal injury.
Use personal protective equipment. Always wear eye protection. Protective equipment such as a dust mask, non-skid safety shoes, hard hat or hearing protection used for appropriate conditions will reduce personal injuries.
Prevent unintentional starting. Ensure the switch is in the off-position before connecting to power source and/or battery pack, picking up or carrying the tool. Carrying power tools with your finger on the switch or energising power tools that have the switch on invites accidents.
Remove any adjusting key or wrench before turning the power tool on. A wrench or a key left attached to a rotating part of the power tool may result in personal injury.
Do not overreach. Keep proper footing and balance at all times. This enables better control of the power tool in unexpected situations.
Dress properly. Do not wear loose clothing or jewellery. Keep your hair and clothing away from moving parts. Loose clothes, jewellery or long hair can be caught in moving parts.
If devices are provided for the connection of dust ex-traction and collection facilities, ensure these are connected and properly used. Use of dust collection can reduce dustrelated hazards.
Do not let familiarity gained from frequent use of tools allow you to become complacent and ignore tool safety principles. A careless action can cause severe injury within a fraction of a second.

Power tool use and care

Do not force the power tool. Use the correct power tool for your application. The correct power tool will do the job better and safer at the rate for which it was de-signed.
Do not use the power tool if the switch does not turn it on and off. Any power tool that cannot be controlled with the switch is dangerous and must be repaired.
Disconnect the plug from the power source and/or remove the battery pack, if detachable, from the power tool before making any adjustments, changing ac-cessories, or storing power tools. Such preventive safety measures reduce the risk of starting the power tool accidentally.
Store idle power tools out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool. Power tools are dangerous in the hands of untrained users.
Maintain power tools and accessories. Check for misalignment or binding of moving parts, breakage of parts and any other condition that may affect the power tool’s operation. If damaged, have the power tool repaired before use. Many accidents are caused by poorly maintained power tools.
Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control.
Use the power tool, accessories and tool bits etc. in accordance with these instructions, taking into account the working conditions and the work to be performed. Use of the power tool for operations different from those intended could result in a hazardous situation.
Keep handles and grasping surfaces dry, clean and free from oil and grease. Slippery handles and grasping surfaces do not allow for safe handling and control of the tool in unexpected situations.

Service

Have your power tool serviced by a qualified repair person using only identical replacement parts. This will ensure that the safety of the power tool is maintained.

Safety Warnings for Mitre Saws

Mitre saws are intended to cut wood or wood-like products, they cannot be used with abrasive cut-off wheels for cutting ferrous material such as bars, rods, studs, etc. Abrasive dust causes moving parts such as the lower guard to jam. Sparks from abrasive cutting will burn the lower guard, the kerf insert and other plastic parts.
Use clamps to support the workpiece whenever possible. If supporting the workpiece by hand, you must always keep your hand at least 100 mm from either side of the saw blade. Do not use this saw to cut pieces that are too small to be securely clamped or held by hand. If your hand is placed too close to the saw blade, there is an increased risk of injury from blade contact.
The workpiece must be stationary and clamped or held against both the fence and the table. Do not feed the workpiece into the blade or cut “freehand” in any way. Unrestrained or moving workpieces could be thrown at high speeds, causing injury.
Push the saw through the workpiece. Do not pull the saw through the workpiece. To make a cut, raise the saw head and pull it out over the workpiece without cutting, start the motor, press the saw head down and push the saw through the workpiece. Cutting on the pull stroke is likely to cause the saw blade to climb on top of the workpiece and violently throw the blade assembly towards the operator.
Never cross your hand over the intended line of cut-ting either in front or behind the saw blade. Supporting the workpiece “cross handed” i.e. holding the workpiece to the right of the saw blade with your left hand or vice versa is very dangerous.
Do not reach behind the fence with either hand closer than 100 mm from either side of the saw blade, to remove wood scraps, or for any other reason while the blade is spinning. The proximity of the spinning saw blade to your hand may not be obvious and you may be seriously injured.
Inspect your workpiece before cutting. If the work-piece is bowed or warped, clamp it with the outside bowed face toward the fence. Always make certain that there is no gap between the workpiece, fence and table along the line of the cut. Bent or warped work-pieces can twist or shift and may cause binding on the spinning saw blade while cutting. There should be no nails or foreign objects in the workpiece.
Do not use the saw until the table is clear of all tools, wood scraps, etc., except for the workpiece. Small debris or loose pieces of wood or other objects that contact the revolving blade can be thrown with high speed.
Cut only one workpiece at a time. Stacked multiple workpieces cannot be adequately clamped or braced and may bind on the blade or shift during cutting.
Ensure the mitre saw is mounted or placed on a level, firm work surface before use. A level and firm work surface reduces the risk of the mitre saw becoming unstable.
Plan your work. Every time you change the bevel or mitre angle setting, make sure the adjustable fence is set correctly to support the workpiece and will not interfere with the blade or the guarding system. Without turning the tool “ON” and with no workpiece on the table, move the saw blade through a complete simulated cut to assure there will be no interference or danger of cutting the fence.
Provide adequate support such as table extensions, saw horses, etc. for a workpiece that is wider or longer than the table top. Workpieces longer or wider than the mitre saw table can tip if not securely supported. If the cut-off piece or workpiece tips, it can lift the lower guard or be thrown by the spinning blade.
Do not use another person as a substitute for a table extension or as additional support. Unstable support for the workpiece can cause the blade to bind or the workpiece to shift during the cutting operation pulling you and the helper into the spinning blade.
u The cut-off piece must not be jammed or pressed by any means against the spinning saw blade. If confined,
i. e. using length stops, the cut-off piece could get wedged against the blade and thrown violently.
Always use a clamp or a fixture designed to properly support round material such as rods or tubing. Rods have a tendency to roll while being cut, causing the blade to “bite” and pull the work with your hand into the blade.
Let the blade reach full speed before contacting the workpiece. This will reduce the risk of the workpiece being thrown.
If the workpiece or blade becomes jammed, turn the mitre saw off. Wait for all moving parts to stop and disconnect the plug from the power source and/or remove the battery pack. Then work to free the jammed material. Continued sawing with a jammed workpiece could cause loss of control or damage to the mitre saw.
After finishing the cut, release the switch, hold the saw head down and wait for the blade to stop before removing the cut-off piece. Reaching with your hand near the coasting blade is dangerous.
Hold the handle firmly when making an incomplete cut or when releasing the switch before the saw head is completely in the down position. The braking action of the saw may cause the saw head to be suddenly pulled downward, causing a risk of injury.
Do not let go of the handle once the saw head has reached the lowest position. Always guide the saw head back to the top position by hand. There is a risk of injury if the saw head moves in an uncontrolled manner.
Keep your work area clean. Material mixtures are particularly hazardous. Light metal dust may catch fire or explode.
Do not use dull, cracked, bent or damaged saw blades. Unsharpened or improperly set saw blades produce narrow kerf causing excessive friction, blade binding and kickback.
Do not use saw blades made from high speed steel
(HSS). Such saw blades can easily break.
Always use saw blades with correct size and shape (diamond versus round) of arbour holes. Saw blades that do not match the mounting hardware of the saw will run offcentre, causing loss of control.
Never remove cuttings, wood chips, etc. from the cut-ting area while the power tool is running. Always guide the tool arm back to the neutral position first and then switch the power tool off.
Do not touch the saw blade after working before it has cooled. The saw blade becomes very hot while working.

Products sold in GB only:
Your product is fitted with an BS 1363/A approved electric plug with internal fuse (ASTA approved to BS 1362).
If the plug is not suitable for your socket outlets, it should be cut off and an appropriate plug fitted in its place by an au-thorised customer service agent. The replacement plug should have the same fuse rating as the original plug.
The severed plug must be disposed of to avoid a possible shock hazard and should never be inserted into a mains socket elsewhere.

Symbols

The following symbols may be important for the operation of your power tool. Please take note of these symbols and their meaning. Correctly interpreting the symbols will help you to operate the power tool more effectively and safely.
Symbols and their meaning

BOSCH-GCM-10-GDJ-Sliding-Mitre-Saw-fig42

Product Description and Specifications

Read all the safety and general instructions. Failure to observe the safety and general instructions may result in electric shock, fire and/or serious injury.

Please observe the illustrations at the beginning of this oper-ating manual.

Intended Use

The power tool is intended as a stationary machine for making straight cuts in wood with and against the grain. It is possible to cut mitre angles of -52° to +60° and bevel angles of 47° (to the left) to 47° (to the right).

The power tool is designed with sufficient capacity for saw-ing hardwood and softwood as well as chipboard and fibre-board.
When using appropriate saw blades, sawing aluminium pro-files and plastic is also possible.

Product Features
The numbering of the product features refers to the diagram of the power tool on the graphics page. BOSCH-GCM-10-GDJ-Sliding-Mitre-Saw-
fig1

Dust bag
Glide mechanism clamping lever
Handle
Lock-off function for on/off switch
Protective guard
Retracting blade guard
Adjustable fence
Fence
Insert plate
Mitre detent override
Locking knob for all mitre angles
Mitre pre-setting lever
Clamping handle for all bevel angles
Detents for standard mitre angles
Assembly holes
Extension bar
Recessed handles
Extension bar clamping lever
Screw clamp
Guide roller
Angle indicator for right-hand bevel angle range (0° to 47°)
Chip deflector
Glide arm
Depth stop adjusting screw
Depth stop
Transport safety lock
Scale for bevel angles
Angle indicator for left-hand bevel angle range (47° to 0°)
Adjustment knob for 22.5° bevel angle
Hex key (6 mm/4 mm)
Scale for mitre angles
Rotary knob for adjusting the bevel angle range
Saw table
Saw blade
Dust extraction adapter
Chip ejector
Locking screw for the linkage of the retracting blade guard
Linkage of the retracting blade guard
Front fastening screw (cover plate/retracting blade guard)
Rear fastening screw (cover plate/retracting blade guard)
Cover plate
Spindle lock
Hex socket screw for mounting the saw blade
Clamping flange
Inner clamping flange
Locking screw for the adjustable fence
Damper
Set screws for damping
Holes for screw clamp
Threaded rod
Angle indicator for mitre angles
On/off switch
Screws for insert plate
/
)/
Set screws for 0° basic setting (bevel angle)
Set screw for 45° basic setting (left-hand bevel angle)
Set screw for 45° basic setting (right-hand bevel angle)
Set screws for mitre angle scale
Screw for mitre angle indicator
Set screw for adjusting the clamping force of the clamping handle for any bevel angle
Hook-and-loop strap

Technical Data

BOSCH-GCM-10-GDJ-Sliding-Mitre-Saw-fig44 BOSCH-
GCM-10-GDJ-Sliding-Mitre-Saw-fig45

Noise Information
Noise emission values determined according to EN 62841-3-9.
Typically, the A-weighted noise level of the power tool is: Sound pressure level 93 dB(A); sound power level
106 dB(A). Uncertainty K = 3 dB.
Wear hearing protection!
The noise emission value given in these instructions has been measured in accordance with a standardised measuring procedure and may be used to compare power tools. It may also be used for a preliminary estimation of noise emissions.
The noise emission value given represents the main applications of the power tool. However, if the power tool is used for other applications, with different application tools or is poorly maintained, the noise emission value may differ. This may significantly increase noise emissions over the total working period.
To estimate noise emissions accurately, the times when the tool is switched off, or when it is running but not actually being used, should also be taken into account. This may significantly reduce noise emissions over the total working period.

Assembly

Avoid starting the power tool unintentionally. The mains plug must not be connected to the power supply during assembly or when carrying out any kind of work on the power tool.

Items Included

See the list of items included at the start of the operating manual.

Check to ensure that all the parts listed below have been supplied before using the power tool for the first time:

Sliding mitre saw with mounted saw blade (34)
Locking knob (11)
Clamping handle (13) with fastening set
Extension bar (16) and clamping lever (18) with fastening set
Dust bag (1)
Hex key (30)
Screw clamp (19)

Note: Check the power tool for possible damage.
Before continuing to use the power tool, carefully check that all protective devices or slightly damaged parts are working perfectly and according to specifications. Check that the moving parts are working perfectly and without jamming; check whether any parts are damaged. All parts must be fit-ted correctly and all the conditions necessary to ensure smooth operation must be met.
If the protective devices or any parts become damaged, you must have them properly repaired or replaced by an author-ised service centre.

Extra tools required (not included in the delivery):

Cross-headed screwdriver
Ratchet spanner (size: 8 mm)
Ring spanner, open-ended spanner or socket spanner (sizes: 10 mm and 17 mm)

Fitting individual components

Carefully remove all parts included in the delivery from their packaging.
Remove all packing material from the power tool and the accessories provided.

Fitting the locking knob (see figure a)

Screw the locking knob (11) into the corresponding hole above the lever (12).
Always tighten the locking knob (11) firmly before sawing. Otherwise the saw blade can become wedged in the workpiece.
Fitting the Clamping Handle for Various Bevel Angles (see figure a)
To fit the clamping handle (13), use the fastening set provided (socket spanner, nut, two washers).
Place the individual components in the order shown (large washer, clamping handle, small washer, nut) onto the threaded bolts on the power tool.
For better power transfer when tightening the nut, insert the hex key (30) provided through the holes on the socket spanner.
Tighten the nut.

Fitting the Extension Bar (see figure b)
To fit the extension bar (16), use the fastening set provided (two clamping levers (18), two spring bolts, two knurled screws).

Slide the extension bar (16) in as far as it will go into the corresponding holes in the saw table (33).
Drive the knurled screws by hand into the corresponding holes.
Place the clamping lever (18) on the head of the knurled screw.
Fix the clamping lever (18) in place using the spring bolt.
Increase the clamping force of the clamping lever (18) by tightening the spring bolts using the hex key (30) provided.

To ensure safe handling, the power tool must be mounted on a flat, stable work surface (e.g. work bench) before use.

Mounting on a work surface (see figure c1)

Use suitable screw fasteners to secure the power tool to the work surface. The holes (15) are used for this pur-pose.
or
Firmly clamp the base of the power tool to the work sur face with commercially available screw clamps.

Mounting on a Bosch saw stand (see figure c2)
(GTA 2500 W, GTA 3700, GTA 3800)
With the height-adjustable legs, Bosch GTA saw stands provide firm support for the power tool on any surface. The workpiece supports of the saw stand are used for underlay-ing long workpieces.

Read all the warnings and instructions included with the saw stand. Failure to observe the warnings and fol-low instructions may result in electric shock, fire and/or serious injury.
Assemble the saw stand properly before mounting the power tool. Correct assembly is important to prevent the risk of collapsing.\
- Mount the power tool on the saw stand in the transport position.

Dust/Chip Extraction
The dust from materials such as lead paint, some types of wood, minerals and metal can be harmful to human health. Touching or breathing in this dust can trigger allergic reactions and/or cause respiratory illnesses in the user or in people in the near vicinity.
Certain dusts, such as oak or beech dust, are classified as carcinogenic, especially in conjunction with wood treatment additives (chromate, wood preservative). Materials contain-ing asbestos may only be machined by specialists.

Use a dust extraction system that is suitable for the ma-terial wherever possible.
Provide good ventilation at the workplace.
It is advisable to wear a P2 filter class breathing mask. The regulations on the material being machined that apply in the country of use must be observed.

Avoid dust accumulation at the workplace. Dust can easily ignite.

The dust/chip extraction system can be blocked by dust, chips or fragments of the workpiece.

Switch the power tool off and pull the mains plug out of the socket.
Wait until the saw blade has come to a complete stop.
Determine the cause of the blockage and eliminate it.

Self-generated dust extraction (see figure d) For basic chip collection, use the dust bag (1) provided.

Place the dust bag (1) onto the extraction adapter (35) and turn so that the pin of the extraction adapter locks in place in the recess of the dust bag.

During sawing, the dust bag must not come into contact with moving tool components.

Always empty the dust bag in good time.

Check and clean the dust bag each time after using.
When sawing aluminium, remove the dust bag to avoid the risk of fire.

External Dust Extraction
You can also attach a dust extraction hose ( mm diameter) to the extraction adapter (35) for extraction.

Connect the dust extraction hose to the extraction adapter (35).

The dust extractor must be suitable for the material being worked.
When extracting dry dust that is especially detrimental to health or carcinogenic, use a special dust extractor.

Cleaning the dust extraction adapter
To ensure optimum extraction, the dust extraction adapter (35) must be cleaned regularly.

Pull the dust extraction adapter (35) off the chip ejector (36) with a twisting motion.
Remove workpiece fragments and chippings.
Reattach the dust extraction adapter to the chip ejector with a twisting motion until it engages above the chip ejector holding ring.

Changing the saw blade (see figures e1−e4)

Pull the plug out of the socket before carrying out any work on the power tool.

Wear protective gloves when fitting the saw blade. There is a risk of injury when touching the saw blade.Only use saw blades that have a maximum permitted speed higher than the no-load speed of the power tool.
Only use saw blades that match the specifications given in this operating manual and that have been tested and marked in accordance with EN 847-1.
Only use saw blades that are recommended by the power tool manufacturer and are suitable for use on the material you want to saw. This will prevent the saw teeth overheating when sawing.

Removing the Saw Blade

Bring the power tool into the work position.
Loosen the locking screw (37) with the hex key (6 mm) (30) until the linkage (38) can hang freely.
Loosen the fastening screw (39) (by approx. two turns) using the hex key (4 mm) (30).
Do not unscrew the screw completely.
Loosen the fastening screw (40) (by approx. six turns) using the hex key (4 mm) (30).
Do not unscrew the screw completely.
Pull the cover plate (41) forwards and downwards away from the fastening screw (40).
Swivel the retracting blade guard (6) to the back and hold it in this position.
Hang the linkage (38) over the fastening screw (40) using a hole.
This will hold the retracting blade guard open.
Turn the hex socket screw (43) with the hex key (6 mm) (30) and at the same time push the spindle lock (42) until it engages.
Keep holding the spindle lock (42) and loosen the hex socket screw (43) by turning it clockwise (left-hand thread).
Remove the clamping flange (44).
Remove the saw blade (34).

Fitting the saw blade

When fitting the saw blade, make sure that the cutting direction of the teeth (arrow direction on the saw blade) matches the direction of the arrow on the protective guard.

If required, clean all the parts you want to fit before installing them.

Place the new saw blade on the inner clamping flange (45).
Fit the clamping flange (44) and the hex socket screw (43). Press the spindle lock (42) until it engages and tighten the hex socket screw by turning it anticlockwise.
Release the linkage (38) from the fastening screw (40) and guide the retracting blade guard (6) back down.
Slide the cover plate (41) back under the fastening screw (40).
Retighten the fastening screws (40) and (39).
Slide the linkage (38) into its original position and retighten the locking screw (37) using the hex key (6 mm) (30).

Operation

Pull the plug out of the socket before carrying out any work on the power tool.

Transport Safety Lock (see figure A)
The transport safety lock (26) makes it easier to handle the power tool when transporting it to various working locations.

Unlocking the Power Tool (Work Position)

Press the glide arm (23) down slightly by the handle (3) to release the transport safety lock (26).
Pull the transport safety lock (26) all the way out.
Slowly guide the glide arm (23) upwards.

Locking the Power Tool (Transport Position)

Slide the glide arm (23) all the way back and secure it in this position.
Guide the glide arm downwards until you can press the transport safety lock (26) all the way in.

Further information: Transport

Locking the Glide Arm
The glide mechanism of the glide arm (23) can be locked with the clamping lever (2). The glide arm can be placed in two positions:

Glide arm pushed all the way back (for cross cuts)
Glide arm pulled all the way forward (for a compact trans-port position)

Unlocking the Glide Arm (see figure B1) After unlocking the glide arm (23), the whole gliding mechanism is ready for operation.

Press the clamping lever (2) all the way down.
The clamping wedge of the clamping lever releases the two articulated parts at the bottom of the glide arm.

Securing the Glide Arm (see figure B2) Glide arm pushed all the way back:

Push the glide arm (23) all the way back.
The two articulated parts at the top of the glide arm are now upright and closed.
Pull the clamping lever (2) upwards until the clamping wedge is positioned between the two articulated parts at the bottom of the glide arm.
This locks the glide arm (23), which is pushed all the way back.

Glide arm pulled all the way forward:

Pull the glide arm (23) all the way forward.
The glide mechanism is now completely extended.
Pull the clamping lever (2) upwards until the clamping wedge is positioned between the two articulated parts at the bottom of the glide arm.
This locks the glide arm (23), which is pulled all the way forward.

Preparing for operation

Extending the Saw Table (see figure C) The free end of long workpieces must have something placed underneath it or be supported.

The workpiece support on the saw table can be extended left and right using the extension bar (16).

Push the clamping lever (18) inwards.
Pull out the extension bar (16) to the required length (maximum 204 mm).
To lock the extension bar in place, push the clamping lever (18) back out.

Moving the fence (see figures D–E)
When sawing mitre and/or bevel angles, you have to pull the left-hand or right-hand adjustable fence (7) outwards depending on the cutting direction, or remove it completely.

BOSCH-GCM-10-GDJ-Sliding-Mitre-Saw-fig46 Adjusting the damping of the glide arm (see figure F)
The glide mechanism of the glide arm (23) is preset at the factory and is not damped when the power tool is delivered. The damping of the glide mechanism can be adjusted using the damper (47):
Hard – for more controlled work movements;
Soft – for fast saw cuts.

For softer damping, loosen the two set screws (48) using the hex key (4 mm) (30)
or
tighten the two set screws (48) for harder damping.

Clamping the Workpiece (see figure G) To ensure maximum safety while working, the workpiece must always be firmly clamped.
Do not saw workpieces that are too small to clamp firmly.

Press the workpiece firmly against the fence (8).
Insert the supplied screw clamp (19) into one of the holes (49) intended for this purpose.
Firmly clamp the workpiece by turning the threaded rod (50).

Setting mitre and bevel angles
To ensure precise cuts, the basic settings of the power tool must be checked and adjusted as necessary after intensive use.
Experience and suitable special tools are required for this.
A Bosch after-sales service point will handle this work quickly and reliably.

Always tighten the locking knob (11) firmly before sawing. Otherwise the saw blade can become wedged in the workpiece.

Adjusting the horizontal mitre angle
Setting Standard Mitre Angles (see figure H) For quick and precise setting of commonly used mitre angles, detents (14) are provided on the saw table:

Loosen the locking knob (11) if it is tightened.
Pull the lever (12) and rotate the saw table (33) left or right to the required detent.
Release the lever again. The lever must be felt to engage in the detent.
Retighten the locking knob (11).

Setting any mitre angle (see figure I)

The mitre angle can be set between 52° (left side) and 60°(right side).

Loosen the locking knob (11) if it is tightened.
Pull the lever (12) and at the same time push the mitre detent override (10) downward at the front.

This locks the lever (12) and the saw table can move freely.

Turn the saw table (33) left or right by the locking knob until the angle indicator (51) shows the required mitre angle.
Retighten the locking knob (11).
To loosen the lever (12) again (for setting standard mitre angles), pull the lever upwards.
The mitre detent override (10) springs back into its original position and the lever (12) can click back into the detents (14).

Adjusting vertical mitre angles
The bevel angle can be set between 47° (left side) and 47° (right side). For quick and precise setting of frequently used bevel angles, stops have been provided for the angles 0°, 22.5°, 45° and 47°.

Setting the left-hand bevel angle range (45° to 0°)

Pull the left-hand adjustable fence (7) all the way out.
Loosen the clamping handle (13).
Use the handle (3) to swivel the glide arm (23) to the left until the angle indicator (28) shows the required bevel angle.
Hold the glide arm (23) in this position and retighten the clamping handle (13).
The clamping force of the clamping handle must hold the glide arm securely in place at any bevel angle.

Setting the Right-hand Bevel Angle Range (0° to 45°) (see figure J)

Pull the right-hand adjustable fence (7) all the way out.
Loosen the clamping handle (13).
Use the handle (3) to tilt the glide arm (23) slightly to the left from the 0° position and turn the rotary knob (32) until the required bevel angle range is shown.
Use the handle (3) to swivel the glide arm (23) to the right until the angle indicator (21) shows the required bevel angle.
Hold the glide arm (23) in this position and retighten the clamping handle (13).
The clamping force of the clamping handle must hold the glide arm securely in place at any bevel angle. Setting the Standard 0° bevel angle
To enable the standard 0° bevel angle to be reset easily, the rotary knob (32) engages in the lefthand bevel angle range.
Swivel the glide arm (23) from the right to the 0° position

Setting the entire bevel angle range (–47° to +47°)

Pull both adjustable fences (7) all the way out.
Loosen the clamping handle (13).
Use the handle (3) to tilt the glide arm (23) slightly to the
left from the 0° position and turn the rotary knob (32) until
the required bevel angle range is shown.
Use the handle (3) to swivel the glide arm (23) to the left or right until the angle indicator (28) or (21) shows the required bevel angle.
Hold the glide arm (23) in this position and retighten the clamping handle (13).
The clamping force of the clamping handle must hold the glide arm securely in place at any bevel angle.

Setting the Standard 22.5° Bevel Angle (see figure K) Pull the adjustment knob (29) all the way out and turn it 90°. Then use the handle (3) to swivel the glide arm (23) until you hear the glide arm engage.

Start-up
Products that are only sold in AUS and NZ: Use a residual current device (RCD) with a nominal residual current of 30 mA or less.
Switching on (see Figure L)

To switch on the power tool, first slide the lock-off button (4) to the middle and then press and hold the on/ off switch (52).
- Note: For safety reasons, the on/off switch (52) cannot be locked; it must remain pressed during the entire operation. Switching off
To switch off, release the on/off switch (52).

Starting current limitation
The electronic starting current limitation feature restricts the power of the power tool when it is switched on and enables operation using a 16 A fuse.
Note: If the power tool runs at full speed immediately after being switched on, this means that the starting current limitation has failed. The power tool must be sent to the aftersales service without delay. For addresses, see: After-sales service and advice on using products.

Practical advice

General sewing instructions

Always tighten the locking knob (11) and the clamping handle (13) firmly before sawing. Otherwise the saw blade can become wedged in the workpiece.
Always tighten the locking knob (11) and the clamping lever firmly before sawing. Otherwise the saw blade can become wedged in the workpiece.
For all cuts, it must first be ensured that the saw blade at no time can come in contact with the fence, screw clamps or other machine parts. Remove any mounted auxiliary stops or adjust them accordingly.
Protect the saw blade against impact and shock. Do not subject the saw blade to lateral pressure.
Only saw materials which are permitted within the scope of the intended use.
Do not saw warped/bent workpieces. The workpiece must always have a straight edge to face against the fence.
The free end of long and heavy workpieces must have something placed underneath it or be supported.

Make sure that the retracting blade guard operates proper lyand that it can move freely. The retracting blade guard must open when the tool arm is guided downwards. When the tool arm is guided upwards, the retracting blade guard must close again over the saw blade and lock in the uppermost position of the tool arm.

Position of the operator (see figure M)

Do not stand in line with the saw blade in front of the power tool. Always stand to the side of the saw blade.
This protects your body against possible kickback.
Keep hands, fingers and arms away from the rotating saw blade.
Do not reach one hand across the other when in front of the tool arm.

Replacing the Insert Plates (see figure P)

The red insert plates (9) can become worn after prolonged use of the power tool.
Replace defective insert plates.
Bring the power tool into the work position.
Loosen the screws (53) using the hex key (4 mm) (30) and remove the old insert plates.
Insert the new right-hand insert plate.
Screw the insert plate as far as possible to the right with the screws (53) so that the saw blade does not come into contact with the insert plate over the entire length of the possible slide motion.
Repeat the work steps in the same manner for the lefthand insert plate.

Permissible workpiece dimensions
Maximum workpiece dimensions:

Minimum workpiece dimensions (= all workpieces that can be secured left or right of the saw blade using the supplied screw clamps (19)): 145 x 306 mm (length x width) Maximum cutting depth (0°/0°): 100 mm

Sawing
Sawing without slide movement (cutting off) (see figure N)

Slide the glide arm (23) all the way back and secure it in this position. Make sure that the depth stop (25) is pressed all the way in and that the adjusting screw (24) fits through the recess without touching the depth stop when moving the glide arm.
Firmly clamp the workpiece as appropriate for its dimensions.
Set the required mitre and/or bevel angle as necessary.
Switch on the power tool.
Slowly guide the glide arm (23) downwards using the handle (3).
Saw through the workpiece applying uniform feed.
Switch off the power tool and wait until the saw blade has come to a complete stop.
Slowly guide the glide arm (23) upwards.

Sawing with Slide Movement (see figure O)

Maintain a firm grip on the handle before switching the power tool on and during the entire sawing process.
Ensure that the movement of the glide arm is controlled during sawing. The glide arm is very easy to move and a moment of inattention could result in serious injury.
Unlock the glide arm (23).
Check if the complete glide mechanism is operative by sliding the glide arm (23) back and forth.
Firmly clamp the workpiece as appropriate for its dimensions.
Set the required mitre and/or bevel angle as necessary.
Pull the glide arm (23) away from the fence (8) by the handle (3) until the saw blade is in front of the workpiece.
Switch on the power tool.
Slowly guide the glide arm (23) downwards using the handle (3).
Now push the glide arm (23) towards the fence (8) and saw through the workpiece with uniform feed.
Switch off the power tool and wait until the saw blade has come to a complete stop.
Slowly guide the glide arm (23) upwards.

Adjusting the Depth Stop (Sawing the Groove) (see figure Q)

The depth stop needs to be adjusted if you wish to saw a groove or use a spacer.
Swivel the depth stop (25) outwards.
Use the handle (3) to swivel the glide arm (23) into the required position.
Turn the adjusting screw (24) until the end of the screw touches the depth stop (25).
Slowly guide the glide arm (23) upwards.

Special workpieces
When sawing curved or round workpieces, these must be especially secured against slipping. At the cutting line, there should be no gap between the workpiece, fence and saw table. If necessary, you will need to manufacture special fixtures.
Working on mouldings
Mouldings can be sawn in two different ways:

Furthermore, you can cut with or without the slide movement depending on the width of the moulding. Always check the set mitre and/or bevel angle first by making trial cuts in scrap wood.

Checking and Adjusting the Basic Settings
**** To ensure precise cuts, the basic settings of the power tool must be checked and adjusted as necessary after intensive use. Experience and suitable special tools are required for this. A Bosch after-sales service point will handle this work quickly and reliably.

Setting the Standard 0° Bevel Angle

Bring the power tool into the transport position.
Turn the saw table (33) to the 0° detent (14). The lever (12) must be felt to engage in the detent. Checking (see figure R1)
Set an angle gauge to 90° and place it on the saw table (33).
The leg of the angle gauge must be flush with the saw blade (34) along its entire length.

Setting (see figure R2)

Loosen the clamping handle (13).
Loosen the two set screws (54) (by at least one turn) using a socket spanner (10 mm).
Loosen the set screw (56) (by approx. three turns) using the hex key (4 mm) (30).
Tighten or loosen the set screw (55) using the hex key (4 mm) (30) until the leg of the angle gauge is flush with the saw blade along its entire length.
Retighten the clamping handle (13). Then tighten the set screw (56) followed by the set screws (54).
If the angle indicators (28) and (21) are not in line with the 0° marks on the scale (27) following adjustment, loosen the fastening screws on the angle indicators using a crossheaded screwdriver and align the angle indicators with the 0° marks.

Setting the Standard 45° Mitre Angle (left)

Bring the power tool into the work position.
Turn the saw table (33) to the 0° detent (14). The lever (12) must be felt to engage in the detent.
Pull the left-hand adjustable fence (7) all the way out.
Loosen the clamping handle (13) and swivel the glide arm to the left stop (45°) by the handle (3).

Checking (see figure S1)

Set an angle gauge to 45° and place it on the saw table (33). The leg of the angle gauge must be flush with the saw blade (34) along its entire length. Setting (see figure S2)
Tighten or loosen the set screw (57) using a ratchet spanner (8 mm) until the leg of the angle gauge is flush with the saw blade along its entire length.
Retighten the clamping handle (13). If the angle indicators (28) and (21) are not in line with the 45° marks on the scale (27) following adjustment, first check the 0° setting for the bevel angle and the angle indicators once more. Then repeat the adjustment of the 45° bevel angle.

Setting the Standard 45° Mitre Angle (right)

Bring the power tool into the work position.
Turn the saw table (33) to the 0° detent (14). The lever (12) must be felt to engage in the detent.
Pull the right-hand adjustable fence (7) all the way out.
Loosen the clamping handle (13).
Use the handle (3) to tilt the glide arm slightly to the left from the 0° position and turn the rotary knob (32) until the right-hand bevel angle range is shown.
Swivel the glide arm to the right stop (45°) by the handle (3).

Checking (see figure T1)

Set an angle gauge to 135° and place it on the saw table (33).
The leg of the angle gauge must be flush with the saw blade (34) along its entire length. Setting (see figure T2)
Tighten or loosen the set screw (58) using a ratchet spanner (8 mm) until the leg of the angle gauge is flush with the saw blade along its entire length.
Retighten the clamping handle (13). If the angle indicators (28) and (21) are not in line with the 45° marks on the scale (27) following adjustment, first check the 0° setting for the bevel angle and the angle indicators once more. Then repeat the adjustment of the 45° bevel angle.

Aligning the scale for mitre angles

Bring the power tool into the work position.
Turn the saw table (33) to the 0° detent (14). The lever (12) must be felt to engage in the detent.

Checking (see figure U1)

Set an angle gauge to 90° and position it between the fence (8) and the saw blade (34) on the saw table (33). The leg of the angle gauge must be flush with the saw blade (34) along its entire length.

Setting (see figure U2)

Loosen all four set screws (59) using the hex key (4 mm) (30) and turn the saw table (33) together with the scale (31) until the leg of the angle gauge is flush with the saw blade along its entire length.
Re-tighten the screws again. If the angle indicator (51) is not aligned with the 0° mark on the scale (31) following adjustment, loosen the screw (60) using a cross-headed screwdriver and align the angle indicator along the 0° mark.

Adjusting the Clamping Force of the Clamping Handle (13) (see figure V )

The clamping force of the clamping handle (13) can be adjusted. Checking
The clamping force of the clamping handle must hold the glide arm securely in place at any bevel angle. Setting
Loosen the clamping handle (13).
Use a socket spanner (17 mm) to turn the set screw (61) anticlockwise to reduce the clamping force or clockwise to increase the clamping force.
Set a bevel angle, retighten the clamping handle (13) and check whether the required clamping force has been reached.

Transport (see figure W)
Before transporting the power tool, the following steps must be carried out:

Slide the glide arm (23) all the way back and secure it in this position (see “Securing the glide arm”, page 23).
Make sure that the depth stop (25) is pressed all the way in and that the adjusting screw (24) fits through the recess without touching the depth stop when moving the glide arm.
Guide the glide arm downwards until you can press the transport safety lock (26) all the way in
Push the extension bar (16) in fully.
Set the bevel angle to 0° and tighten the clamping handle (13).
Turn the saw table (33) as far as possible to the left and tighten the locking knob (11).
Wind up the mains cable and tie it together with the hookand- loop strap (62).
Remove all accessories that cannot be securely fitted to the power tool.
If possible, transport unused saw blades in an enclosed container.
Carry the power tool by holding it by the recessed handles (17) on the sides of the saw table.
Use only the transport fixtures to transport the power tool. Never carry the power tool by the protective devices, the glide arm (23) or the handle (3).

Maintenance and Service

Maintenance and Cleaning

Pull the plug out of the socket before carrying out any work on the power tool.
To ensure safe and efficient operation, always keep the power tool and the ventilation slots clean.
In order to avoid safety hazards, if the power supply cord needs to be replaced, this must be done by Bosch or by an after-sales service centre that is authorised to repair Bosch power tools.
The retracting blade guard must always be able to move freely and retract automatically. It is therefore important to keep the area around the retracting blade guard clean at all times. Always remove dust and chips after working by blowing out with compressed air or using a brush.
Clean the guide roller (20) and the glide arm (23) regularly.

Accessories

BOSCH-GCM-10-GDJ-Sliding-Mitre-Saw-
fig50

After-Sales Service and Application Service
Our after-sales service responds to your questions concerning maintenance and repair of your product as well as spare parts. You can find explosion drawings and information on spare parts at: www.bosch-pt.com The Bosch product use advice team will be happy to help you with any questions about our products and their accessories. In all correspondence and spare parts orders, please always include the 10‑digit article number given on the nameplate of the product.

CONTACT

Great Britain
Robert Bosch Ltd. (B.S.C.)
P.O. Box 98
Broadwater Park
North Orbital Road
Denham Uxbridge
UB 9 5HJ
At www.bosch-pt.co.uk. you can order spare parts or arrange the collection of a product in need of servicing or repair.
Tel. Service: (0344) 7360109
E-Mail: [email protected].
You can find further service addresses at:www.bosch-pt.com/serviceaddresses.

Disposal
The power tool, accessories and packaging should be recycled in an environmentally friendly manner. Do not dispose of power tools along with household waste.
Only for EU countries:
According to the European Directive 2012/19/EU on Waste Electrical and Electronic Equipment and its implementation into national law, power tools that are no longer usable must be collected separately and disposed of in an environmentally friendly manner. If disposed incorrectly, waste electrical and electronic equipment may have harmful effects on the environment and human health, due to the potential presence of hazardous substances.
Only for United Kingdom:
According to The Waste Electrical and Electronic Equipment Regulations 2013 (SI 2013/3113) (as amended), products that are no longer usable must be collected separately and disposed of in an environmentally friendly manner.

EU Declaration of Conformity

Sliding mitre saw Article number: We declare under our sole responsibility that the stated products comply with all applicable provisions of the directives and regulations listed below and are in conformity with the following standards. Technical file at: *

Sliding mitre saw Article number
GCM 10 GDJ
3 601 M27 060
3 601 M27 070

We declare under our sole responsibility that the stated products comply with all applicable provisions of the regulations listed below and are in conformity with the following standards.
Technical file at: Robert Bosch Ltd. (PT/SOP-GB), Broadwater Park, North Orbital Road, Uxbridge UB9 5HJ, United Kingdom

The Supply of Machinery (Safety) Regulations 2008
The Electromagnetic Compatibility Regulations 2016
The Restriction of the Use of Certain Hazardous Substances in
Electrical and Electronic Equipment Regulations 2012
EN 62841-1:2015
EN IEC 62841-3-9:2020+A11:2020
EN IEC 55014-1:2021
EN IEC 55014-2:2021
EN IEC 61000-3-2:2019+A1:2021
EN 61000-3-3:2013+A1:2019+A2:2021
EN IEC 63000:2018

Vonjy Rajakoba
Managing Director – Bosch UK Robert Bosch Power Tools GmbH, 70538 Stuttgart, Germany represented (in terms of the above regulations) by Robert Bosch Limited, Broadwater Park, North Orbital Road, Uxbridge UB9 5HJ, United Kingdom
Martin Sibley
Head of Sales Operations and Aftersales Robert Bosch Ltd. Broadwater Park, North Orbital Road, Uxbridge UB9 5HJ, United Kingdom, as authorised representative acting on behalf of Robert Bosch Power Tools GmbH, 70538 Stuttgart, Germany

Place of issue: Uxbridge
Date of issue: 24/11/2022
Bosch Power Tools 1 609 92A 7N4
Robert Bosch Power Tools GmbH
70538 Stuttgart
GERMANY