DOLMAR AH-3756 Cordless Hedge Trimmer Instruction Manual

AH-3756 Cordless Hedge Trimmer
Instruction Manual

AH-3756 Cordless Hedge Trimmer

(Original instructions)
Explanation of general view

1-1. Red indicator
1-2. Button
1-3. Battery cartridge
2-1. Star marking
3-1. Battery indicator
4-1. Knob
4-2. Housing
5-1. Switch trigger B
5-2. Switch trigger A
5-3. Lock-off button
6-1. Adjusting dial
9-1. Trimming direction
9-2. Hedge surface to be trimmed
9-3. Tilt the blades
14-1. Press| 14-2. Chip receiver
14-3. Nut
14-4. Shear blade
15-1. Nut
15-2. Branch catcher
16-1. Hooks
16-2. Fit the hooks into the groove
16-3. Grooves
17-1. Press the levers on both sides
17-2. Unlock the hooks
18-1. Blade cover
18-2. Screws
19-1. Undercover
19-2. Blade cover
19-3. Screws| 20-1. Plate
21-1. Crank
22-1. Screws
22-2. Shear blade
23-1. Crank
24-1. Oval hole of shear blade
26-1. Oval hole of shear blade
26-2. Crank
26-3. Screws
27-1. Crank
28-1. Limit mark
29-1. Holder cap cover
29-2. Slotted screwdriver
30-1. Brush holder cap
30-2. Slotted screwdriver
---|---|---

SPECIFICATIONS

• Due to our continuing program of research and development, the specifications herein are subject to change without notice.
• Specifications and battery cartridges may differ from country to country.
• Weight, with battery cartridge, according to EPTA-Procedure 01/2003

Noise| Sound pressure level| Sound power level| Applicable standard
or directive
---|---|---|---
Model| I-PA (dB (A))| Uncertainty K (d8 (A))| 1-pA (dB (A))| UrcertaintyK (dB (A))
AH-3756| 82.| 2.| 91| 2.| 2000/14/EC
AH-3766| 82| 1.| 91.| 2.

• Wear ear protection.

Vibration

Vibration| Declared emission (m/s)| Uncertainty K (m/s2)| standard or directive
---|---|---|---
Model
AH-3756 /AH-3766| 53.| 2.| EN60745

ENG901-1

• The declared vibration emission value has been measured in accordance with the standard test method and may be used for comparing one tool with another.
• The declared vibration emission value may also be used in a preliminary assessment of exposure.

WARNING:

• The vibration emission during the actual use of the power tool can differ from the declared emission value depending on the ways in which the tool is used.
• Be sure to identify safety measures to protect the operator that is based on an estimation of exposure in the actual conditions of use (taking account of all parts of the operating cycle such as the times when the tool is switched off and when it is running idle in addition to the trigger time).END013-4

Symbol

The following show the symbols used for the equipment. Be sure that you understand their meaning before use.
･ Read the instruction manual.
** ･ Do not expose to rain.
･ Only for EU countries
Do not dispose of electric equipment or battery packs together with household waste material!
In observance of the European
Directives, on Waste Electric and Electronic Equipment and Batteries and Accumulators and Waste Batteries and Accumulators and their implementation in accordance with national laws, electric equipment and batteries and battery pack(s) that have reached the end of their life must be collected separately and returned to an environmentally compatible recycling facility. ENE014-1
Intended use
The tool is intended for trimming hedges. ENH032-4
For European countries only
EC Declaration of Conformity
Makita declares that the following Machine(s):
Designation of Machine:
Cordless Hedge Trimmer
Model No./ Type: AH-3756, AH-3766
Specifications: see the “SPECIFICATIONS” table.
Conforms to the following European Directives:
2000/14/EC, 2006/42/EC
They are manufactured in accordance with the following standard or standardized documents: EN60745
The technical file in accordance with 2006/42/EC is available from:
Makita, Jan-Baptist Vinkstraat 2, 3070, Belgium
The conformity assessment procedure required by directive 2000/14/EC was in accordance with Annex V.
Model AH-3756
Measured Sound Power Level: 91.0 dB (A)
Guaranteed Sound Power Level: 93 dB (A)
Model AH-3766
Measured Sound Power Level: 91.1 dB (A)
Guaranteed Sound Power Level: 93 dB (A)
1.12.2015
000331
Yasushi Fukaya Director
Makita, Jan-Baptist Vinkstraat 2, 3070, Belgium
GEA010-1
**

General Power Tool Safety Warnings **

**

WARNING Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire, and/or serious injury.
Save all warnings and instructions for future reference. GEB062-5

CORDLESS HEDGE TRIMMER SAFETY WARNINGS

1. Keep all parts of the body away from the cutter blade. Do not remove cut material or hold material to be cut when blades are moving. Make sure the switch is off when clearing jammed material. A moment of inattention while operating the hedge trimmer may result in serious personal injury.
2. Carry the hedge trimmer by the handle with the cutter blade stopped. When transporting or storing the hedge trimmer always fit the cutting device cover. Proper handling of the hedge trimmer will reduce possible personal injury from the cutter blades.
3. Hold the power tool by insulated gripping surfaces only, because the cutter blade may contact hidden wiring. Cutter blades contacting a “live” wire may make exposed metal parts of the power tool “live” and could give the operator an electric shock.
4. Do not use the hedge trimmer in the rain or in wet or very damp conditions. The electric motor is not waterproof.
5. First-time users should have an experienced hedge trimmer user show them how to use the trimmer.
6. The hedge trimmer must not be used by children or young persons under 18 years of age. Young persons over 16 years of age may be exempted from this restriction if they are undergoing training under the supervision of an expert.
7. Use the hedge trimmer only if you are in good physical condition. If you are tired, your attention will be reduced. Be especially careful at the end of a working day. Perform all work calmly and carefully. The user is responsible for all damages to third parties.
8. Never use the trimmer when under the influence of alcohol, drugs or medication.
9. Work gloves of stout leather are part of the basic equipment of the hedge trimmer and must always be worn when working with it. Also, wear sturdy shoes with anti-skid soles.
10. Before starting work check to make sure that the trimmer is in good and safe working order. Ensure guards are fitted properly. The hedge trimmer must not be used unless fully assembled.
11. Make sure you have a secure footing before starting the operation.
12. Hold the tool firmly when using the tool.
13. Do not operate the tool at no-load unnecessarily.
14. Immediately switch off the motor and remove the battery cartridge if the cutter should come into contact with a fence or other hard object. Check the cutter for damage, and if damaged repair immediately.
15. Before checking the cutter, taking care of faults, or removing material caught in the cutter, always switch off the trimmer and remove the battery cartridge.
16. Switch off the trimmer and remove the battery cartridge before doing any maintenance work.
17. When moving the hedge trimmer to another location, including during work, always remove the battery cartridge and put the blade cover on the cutter blades. Never carry or transport the trimmer with the cutter running. Never grasp the cutter with your hands.
18. Clean the hedge trimmer and especially the cutter after use, and before putting the trimmer into storage for extended periods. Lightly oil the cutter and put on the cover. The cover supplied with the unit can be hung on the wall, providing a safe and practical way to store the hedge trimmer.
19. Store the hedge trimmer with the cover on, in a dry room. Keep it out of reach of children. Never store the trimmer outdoors.
    SAVE THESE INSTRUCTIONS.

WARNING:
DO NOT let comfort or familiarity with the product (gained from repeated use) replace strict adherence to safety rules for the subject product. MISUSE or failure to follow the safety rules stated in this instruction manual may cause serious personal injury.  ENC011-2

IMPORTANT SAFETY INSTRUCTIONS

FOR BATTERY CARTRIDGE

1. Before using the battery cartridge, read all instructions and cautionary markings on (1) the battery charger, (2) the battery, and (3) the product using the battery.
2. Do not disassemble the battery cartridge.
3. If the operating time has become excessively shorter, stop operating immediately. It may result in a risk of overheating, possible burns, and even an explosion.
4. If electrolyte gets into your eyes, rinse them out with clear water and seek medical attention right away. It may result in loss of your eyesight.
5. Do not short the battery cartridge:
6. Do not touch the terminals with any conductive material.
7. Avoid storing battery cartridges in a container with other metal objects such as nails, coins, etc.
8. Do not expose the battery cartridges to water or rain. A battery short can cause a large current flow, overheating, possible burns, and even a breakdown.
9. Do not store the tool and battery cartridge in locations where the temperature may reach or exceed 50 C (122 F).
10. Do not incinerate the battery cartridge even if it is severely damaged or is completely worn out. The battery cartridge can explode in a fire.
11. Be careful not to drop or strike the battery.
12. Do not use a damaged battery.
13. The contained lithium-ion batteries are subject to the Dangerous Goods Legislation requirements. For commercial transports e.g. by third parties, and forwarding agents, special requirements on packaging and labeling must be observed. For the preparation of the item being shipped, consulting an expert for hazardous material is required. Please also observe possibly more detailed national regulations. Tape or mask off open contacts and pack up the battery in such a manner that it cannot move around in the packaging.
14. Follow your local regulations relating to the disposal of batteries.

SAVE THESE INSTRUCTIONS.
CAUTION: Only use genuine Makita/Dolmar batteries. Use of non-genuine Makita/Dolmar batteries, or batteries that have been altered, may result in the battery bursting causing fires, personal injury, and damage. It will also void the Makita/Dolmar warranty for the Makita/Dolmar tool and charger.
Tips for maintaining maximum battery life

1. Charge the battery cartridge before completely discharged. Always stop tool operation and charge the battery cartridge when you notice less tool power.
2. Never recharge a fully charged battery cartridge. Overcharging shortens the battery service life.
3. Charge the battery cartridge at room temperature at 10 C – 40 C (50 F – 104 F). Let a hot battery cartridge cool down before charging it.
4. Charge the battery cartridge if you do not use it for a long period (more than six months).

FUNCTIONAL DESCRIPTION

CAUTION:

• Always be sure that the tool is switched off and the battery cartridge is removed before adjusting or checking the function on the tool.

Installing or removing the battery cartridge
Fig.1
CAUTION:

• Always switch off the tool before installing or removing the battery cartridge.
• Hold the tool and the battery cartridge firmly when installing or removing the battery cartridge. Failure to hold the tool and the battery cartridge firmly may cause them to slip off your hands and result in damage to the tool and battery cartridge and a personal injury.

To remove the battery cartridge, slide it from the tool while sliding the button on the front of the cartridge. To install the battery cartridge, align the tongue on the battery cartridge with the groove in the housing and slip it into place. Insert it all the way until it locks in place with a little click. If you can see the red indicator on the upper side of the button, it is not locked completely.
CAUTION:

• Always install the battery cartridge fully until the red indicator cannot be seen. If not, it may accidentally fall out of the tool, causing injury to you or someone around you.
• Do not install the battery cartridge forcibly. If the cartridge does not slide in easily, it is not being inserted correctly.

NOTE:

• The tool does not work with only one battery cartridge.

Tool/ battery protection system
The tool is equipped with a tool/battery protection system. This system automatically cuts off power to the motor to extend tool and battery life. The tool will automatically stop during operation if the tool or battery is placed under one of the following conditions. In some conditions, the indicators light up.
Overload protection
When the tool is operated in a manner that causes it to draw an abnormally high current, the tool automatically stops without any indication. In this situation, turn the tool off and stop the application that caused the tool to become overloaded. Then turn the tool on to restart.
Overheat protection for tool/ battery
When the tool/ battery is overheated, the tool stops automatically without any indication. The tool does not start even if pulling the switch trigger. In this situation, let the tool/ battery cool before turning the tool on again.
NOTE: The battery overheats protection works only with a battery cartridge with a star marking.
Fig.2
Over-discharge protection
Fig.3
When the remaining battery capacity gets low, the battery indicator blinks on the applicable battery side. By further use, the tool stops and the battery indicator lights up for about 10 seconds. In this situation, charge the battery cartridge.
Handle mounting positions
CAUTION: · Always make sure that the handle is locked in the desired position before operation.
Fig.4
Depending on the operations, you can set the angle of the handle to either 45°or 90°position on the left or right. To turn the handle, pull the knob and turn the handle as shown in the figure. The handle is locked in a 45°position. To turn the handle to 90°position, pull the knob again and turn the handle more.
Switch action
CAUTION: · Before inserting the battery cartridge into the tool, always check to see that the switch trigger actuates properly and returns to the “OFF” position when released.
Fig.5
For your safety, this tool has a dual-switching system. To turn on the tool, press the lock-off button and press the switch trigger A and B. To turn off the switch, release either one of the switch triggers. The tool only starts when pulling both switch triggers.
Speed change
Fig.6
The strokes per minute can be adjusted just by turning the adjusting dial. This can be done even while the tool is running. The dial is marked 1 (lowest speed) to 6 (full speed). Refer to the table below for the relationship between the number settings on the adjusting dial and the strokes per minute.

CAUTION:

• The speed-adjusting dial can be turned only as far as 6 and back to 1. Do not force it past 6 or 1, or the speed-adjusting function may no longer work.
• The strokes per minute vary by the conditions of the battery cartridge and shear blades.

OPERATION

CAUTION:

• Be careful not to accidentally contact a metal fence or other hard objects while trimming. The blade will break and may cause serious injury.
• Overreaching with a hedge trimmer, particularly from a ladder, is extremely dangerous. Do not work from anything wobbly or infirm.

Fig.7
Do not attempt to cut branches thicker than 10 mm in diameter with this trimmer. These should first be cut with shears down to the hedge trimming level.
CAUTION:

• Do not cut off dead trees or similarly hard objects. Failure to do so may damage the tool.

Fig.8
Hold the trimmer with both hands and pull the switch trigger A or B and then move it in front of your body.
Fig.9
As a basic operation, tilt the blades towards the trimming direction and move it calmly and slowly at the speed rate of 3 – 4 seconds per meter.
Fig.10
To cut a hedge top evenly, it helps to tie a string at the desired hedge height and to trim along it, using it as a reference line.
Fig.11
Attaching the chip receiver (optional accessory) to the tool when trimming the hedge straight can avoid cut-off leaves being thrown away.
Fig.12
Rotate the handle for easy handling before operation. Refer to the section titled “Handle mounting position”. To cut a hedge side evenly, it helps to cut from the bottom upwards.
Fig.13
Trim boxwood or rhododendron from the base toward the top for a nice appearance and a good job.
Installing or removing chip receiver (optional accessory)

CAUTION:

• Always be sure that the tool is switched off and the battery cartridge is removed before installing or removing the chip receiver.

NOTE:

• When replacing the chip receiver, always wear gloves so that hands and face do not directly contact the blade. Failure to do so may cause personal injury.
• Always be sure to remove the blade cover before installing the chip receiver.
• The chip receiver receives cut-off leaves and alleviates collecting thrown-away leaves. This can be installed on either side of the tool.

Fig.14
Press the chip receiver on the shear blades so that its slits overlap with the nuts on the shear blades. At this time, make sure that the chip receiver does not contact the branch catcher at the top of the shear blades.
Fig.15
At this time, the chip receiver needs to be installed so that its hooks fit into grooves in the shear blade unit.
Fig.16
To remove the chip receiver, press its lever on both sides so that the hooks are unlocked.
Fig.17

CAUTION:

• The blade cover cannot be installed on the tool with the chip receiver being installed. Before carrying or storing, uninstall the chip receiver and then install the blade cover to avoid blade exposure.

NOTE:

• Check the chip receiver for secure installment before use.
• Never try to uninstall the chip receiver by excessive force with its hooks locked in the blade unit grooves. Using excessive force may damage it.

MAINTENANCE

CAUTION:

• Always be sure that the tool is switched off and the battery cartridge is removed before attempting to perform an inspection or maintenance.
• Never use gasoline, benzine, thinner, alcohol, or the like. Discoloration, deformation, or cracks may result.

Cleaning the tool
Clean out the tool by wiping off dust with a dry or soap-dipped rag.
Blade maintenance
Smear the blade before and once per hour during operation using machine oil or similar.
NOTE:

• Before smearing the blade, remove the chip receiver. After the operation, remove dust from both sides of the blade with a wired brush, wipe it off with a rag and then apply enough low-viscosity oil, such as machine oil, etc., and spray-type lubricating oil.

CAUTION:

• Do not wash the blades in the water. Failure to do so may cause rust or damage to the tool.

Removing or installing the shear blade
CAUTION:

• Before removing or installing the shear blade, always be sure that the tool is switched off and the battery cartridge is removed.
• When replacing the shear blade, always wear gloves without removing the blade cover so that hands and face do not directly contact the blade. Failure to do so may cause personal injury.

NOTE:

• Do not wipe off grease from the gear and crank. Failure to do so may cause damage to the tool.
• For the specific way of removing and installing shear blades refer to the reverse of a package for accessory shear blades.

Removing the shear blades
Reverse the tool and loosen four screws.
Fig.18
NOTE:

• Be careful not to get your hands dirty as grease is applied in the shear blade driving area. Remove the undercover.

Fig.19
Remove the plate.
Fig.20
Set the crank at the angle as shown in the figure with a slotted screwdriver.
Fig.21
Remove two screws from the shear blades and the shear blade unit will be taken out.
Fig.22
CAUTION:

• Return the gear to the original position in such a manner as it was installed if it should be taken away by mistake.

Installing the shear blades
Prepare 4 removed screws (For under cover), 2 screws (For shear blade), plate, undercover, and new shear blades. Adjust the crank position as shown in the figure. At this time, apply some grease provided with new shear blades to the periphery of the crank.
Fig.23
Overlap the oval hole in the upper blade with that in the lower one.
Fig.24
Take out the blade cover from the old shear blades and fit it onto the new ones for easy handling during the replacement of blades.
Fig.25
Place the new shear blades on the tool so that the oval holes in the shear blades fit onto the crank. Overlap the holes in the shear blades with the screw holes in the tool and then secure them with two screws.
Fig.26
Check the crank for a smooth turn with a slotted screwdriver.
Fig.27
Install the plate, undercover on the tool. Tighten the screw firmly.
NOTE:

• There is no distinction between the top and bottom of the plate. Remove the blade cover and then turn on the tool to check it for proper movement.

NOTE:

• When the shear blades do not operate properly, there is a poor fit between the blades and the crank. Redo from the beginning.

Replacing carbon brushes
Fig.28
Remove and check the carbon brushes regularly. Replace them when they wear down to the limit mark. Keep the carbon brushes clean and free to slip in the holders. Both carbon brushes should be replaced at the same time. Use only identical carbon brushes.
Fig.29
Insert the top end of the slotted screwdriver into the notch in the tool and remove the holder cap cover by lifting it up.
Fig.30
Use a slotted screwdriver to remove the brush holder caps. Take out the worn carbon brushes, insert the new ones, and secure the brush holder caps. Reinstall the holder cap cover on the tool.
Storage
The hook hole in the bottom of the blade cover is convenient for hanging the tool from a nail or screw on the wall.
Fig.31
Remove the battery cartridge and put the blade cover on the shear blades so that the blades are not exposed. Store the tool out of the reach of children carefully.
Store the tool in a place not exposed to water and rain. To maintain product SAFETY and RELIABILITY, repairs, and any other maintenance or adjustment should be performed by DOLMAR Authorized Service Centers, always using DOLMAR replacement parts.

OPTIONAL ACCESSORIES

CAUTION: · These accessories or attachments are recommended for use with your Dolmar tool specified in this manual. The use of any other accessories or attachments might present a risk of injury to persons. Only use accessory or attachment for its stated purpose. If you need any assistance with more details regarding these accessories, ask your local Dolmar service center.

• Blade cover
• Shear blade assembly
• Makita/Dolmar genuine battery and charger
• Chip receiver

NOTE:

• Some items in the list may be included in the tool package as standard accessories. They may differ from country to country.

Makita
Jan-Baptist Vinkstraat 2, 3070, Belgium
Makita Corporation
Anjo, Aichi, Japan
www.dolmar.com
885336A917

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