MZK B09XMLNJDT 20V Cordless Pruning Saw & Pole Saw User Manual

USER MANUAL

20V Cordless Pruning Saw & Pole Saw

Ningbo East Tools Co., Ltd.

No.307, East Buzheng Rd, Wangchun Industrial Zone

Technical data

Voltage:                            DC 20 V
Weight:                             2.4 kg
Speed:                               6m/s
Maximum cutting length:  100mm
Charging time:                  3-5h
Battery:                             2.0Ah Li-ion

Explanation of Symbols on your product

Warning

Read the manual

Do not dispose of batteries. Return exhausted batteries to your local collection or recycling point.

Contains Li-ion battery. Battery must be recycled or disposed of properly.

Always charge the battery between temperatures 32°F-104°F (0°C-40°C).

Do not burn

Wear eye protection

Wear ear protection

Do not use in the rain

They carry gloves to protect their hands.

Safety shoes they wear, to be protected against short circuits.

SAFETY INSTRUCTIONS

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.
The term “power tool” in the warnings refers to your mains-operated (corded) power tool or Battery-operated power tool.

1. Work area safety
   a) Keep work area clean and well lit. Cluttered or dark areas invite accidents.
   b) 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.
   c) Keep children and bystanders away while operating a power tool. Distractions can cause you to lose control.

2. Electrical safety
   a) 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.
   b) 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.
   c) Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock.
   d) 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.
   e) 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.
   f) 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. NOTE The term “residual current device (RCD)” may be replaced by the term “ground fault circuit interrupter (GFCI)” or “earth leakage circuit breaker (ELCB)”.

3. Personal safety
   a) 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.
   b) Use personal protective equipment. Always wear eye protection. Protective equipment such as dust mask, non-skid safety shoes, hard hat, or hearing protection used for appropriate conditions will reduce personal injuries.
   c) 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.
   d) 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.
   e) Do not overreach. Keep proper footing and balance at all times. This enables better control of the power tool in unexpected situations.
   f) Dress properly. Do not wear loose clothing or jewellery. Keep your hair, clothing and gloves away from moving parts. Loose clothes, jewellery or long hair can be caught in moving parts.
   g) If devices are provided for the connection of dust extraction and collection facilities, ensure these are connected and properly used. Use of dust collection can reduce dust-related hazards.

4. Power tool use and care
   a) 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 designed.
   b) 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.
   c) Disconnect the plug from the power source and/or the battery pack from the power tool before making any adjustments, changing accessories, or storing power tools. Such preventive safety measures reduce the risk of starting the power tool accidentally.
   d) 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.
   e) Maintain power tools. 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.
   f) Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control.
   g) 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.

5. Battery tool use and care
   a) Recharge only with the charger specified by the manufacturer. A charger that is suitable for one type of battery pack may create a risk of fire when used with another battery pack.
   b) Use power tools only with specifically designated battery packs. Use of any other battery packs may create a risk of injury and fire.
   c) When battery pack is not in use, keep it away from other metal objects, like paper clips, coins, keys, nails, screws or other small metal objects, that can make a connection from one terminal to another. Shorting the battery terminals together may cause burns or a fire.
   d) Under abusive conditions, liquid may be ejected from the battery; avoid contact. If contact accidentally occurs, flush with water. If liquid contacts eyes, additionally seek medical help. Liquid ejected from the battery may cause irritation or burns.

6. Service
   a) 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.

7. Storage
   a) use of transport guard during transport and storage
   b) cleaning and maintenance before storage
   c) securing of the unit during transport to prevent loss of fuel, damage or injury

BATTERY

1. Never attempt to open or modify battery for any reason. Released electrolyte is corrosive and may cause damage to eyes and skin. It may be toxic if swallowed.

2. Under extreme conditions, battery leakage may occur. When you notice liquid on the battery, proceed as follows:
   • Carefully wipe the liquid off using a cloth. Avoid skin contact.
   • In case of skin or eye contact, follow the instructions below.
   • The battery fluid, a 25-30% solution of potassium hydroxide, can be harmful. In case of skin contact, immediately rinse with water. Neutralize with a mild acid such as lemon juice or vinegar. In case of eye contact, rinse abundantly with clean water for at least 10 minutes.

3. Do not expose to water.

4. Do not store in locations where the temperature may exceed 104°F (40°C).

5. Charge at room temperature: 64°F-75°F (18°C-24°C), never at ambient temperatures below 40°F (4°C) and above 104°F (40°C).

6. Charge only using the charger provided with the tool.

7. Before charging, make sure that the battery is dry and clean.

8. Use only the correct type of battery for the tool.

9. Exercise care in handling and storing batteries in order not to short them with conductive materials such as rings, keys, coins. There is a real risk of the battery or the conductor overheating, causing fire or burns.

10. Do not dispose of battery in fire. It may explode. Follow instructions and regulations given by local authorities concerning environmental protection. Dispose of old batteries at an appropriate waste disposal facility.

CHARGERS

1. Use your charger only to charge the battery in the tool which it was supplied. Other batteries could burst, causing personal injury and damage.
2. Never attempt to charge non-rechargeable batteries.
3. Do not expose the charger to water.
4. Do not open the charger.
5. Do not probe the charger.

PRODUCT IDENTIFICATION

CONTENTS:

1. Scabbard 2. Guide Bar 3. Saw Chain 4. guard 5. tension wheel 6. Sprocket Cover 7. Compression cap 8. Fuel Tank Cap 9. Trigger Lockout 10. Trigger 11. Handle 12. Hand Guard 13. Hasp 14. Lock the trigger 15. Connecting rod 16. Rotary rod 17. Telescopic inner tube 18. Coupling sleeve 19. Telescopic outer tube 20. Handle 21. Trigger Lockout 22. Trigger 23. Lock button 24. Connecting socket 25. Lock button 26. Battery

CHARGING BATTERY

CAUTION! Charge battery fully before initial use.

• The battery should be charged before fist use and whenever it fails to produce sufficient power on jobs that were easily done before.
• When charging the battery for the first time, or after prolonged storage, it will only accept an 80% charge. After several charge and discharge cycles, the battery will full capacity.
• The battery may become warm while charging. This is normal and dose not indicates a problem.
• The charger requires no adjustment and is designed for ease of operation. Simply place your battery pack into the receptacle of the plugged-in charger and it will automatically charge your battery pack.

CAUTION! Do not charge the battery at ambient temperatures below 4°C or above 40°C (below 40°F or above 104°F).

1. Insert the plug (R) into a 230V AC power outlet. The green LED power light (S) comes on, indicating the charger is ready for use.
2. Insert the battery pack into the receptacle in the charger (Q), making sure it is well sealed in the charger. The red LED light (T) will come on, and the green LED light (S) will shut off at the same time, indicating the battery is correctly seated and on charge.
3. If the red LED light (T) doesn’t comes on, and the green LED light (S) is still on, the battery pack is too hot and can not be charged. Remove the battery and allow it to cool for approx.30 minutes and then re-insert it.
4. The battery pack will normally be fully charged after 60 minutes, when the red LED light will shut off and the green light comes on again. The initial charge may take longer.
5. Remove the battery pack form the charger.

IMPORTANT CHARGING NOTES

1. After normal usage, your battery pack should be fully charged in about 4 hours. Allow the battery to cool down before charging after using the saw. (NOTE: A hot battery placed in the charger will not charge)

2. DO NOT charge the battery pack in an air temperature below 40°F (4 °C) or above 104°F (40 °C). This is important and will prevent serious damage to the battery pack. Longest life and best performance can be obtained if battery pack is charged when air temperature is about 75°F (24°C).

3. While charging, the charger may hum and become warm to touch. This is a normal condition and does not indicate a problem.

4. If the battery pack does not charge properly
   • Check current at receptacle by plugging in a lamp or other appliance.
   • Check to see if receptacle is connected to a light switch which turns power off when you turn out the lights.
   • Move charger and battery pack to a surrounding air temperature of 40°F (4°C) to 104°F (40°C)
   • If the receptacle and temperature are OK, and you do not get proper charging contact (DESA Power Tools) service center.

5. The battery pack need to be charged before first using and should be recharged when it fails to produce sufficient power on jobs which were easily done previously.
   DO NOT CONTINUE using this product with its battery pack in a depleted condition.
   (NOTE: After several charge and discharge cycles, the battery will attain full capacity.)

6. To prolong battery life, avoid leaving the battery pack on charger for extended periods of time (over 30 days without use). Although overcharging is not a safety concern, it can significantly reduce overall battery life.

7. The battery pack will reach optimum performance after being cycled 5 times during normal usage. There is no need to run the batteries down completely before recharging. Normal usage is the best method of discharging and recharging the batteries.

CHAIN SAW INFORMATION

CHAIN SAW ASSEMBLY

(WARNING: Cutting edges on chain are sharp. Use protective gloves when handling chain.)

Inserting/Removing the connecting socket

1. Lock button

1. Insert the coupling socket into the power head along the guide slot until the locking button pops up to the initial position.
2. Push the lock button all the way to the bottom and pull the socket down.

Inserting/Removing the Battery

1. Lock button

1. Insert the battery pack into the socket along the guide slot until the lock button bounces back to the initial position.
2. Push the lock button all the way to the bottom and pull the battery pack up.

Filling the Oil tank

1. The oiler inside the oil into the chain saw’s fuel tank until oil level up to the “max” line (IMPORTANT: Fill up, you must tighten cap)

2. With the machine running, press the compressor continuously for 3-4 times to oil the chain.

SAW CHAIN TENSION

WARNING: Remove battery from chain saw before servicing. Severe injury or death could occur from body contact with moving chain.

WARNING: Cutting edges on chain are sharp. Use protective gloves when handling chain.

WARNING: When cleaning saw body,

• do not submerge saw in any liquids
• do not use products that contain ammonia, chlorine, or abrasives
• do not use chlorinated cleaning solvents, carbon tetrachloride, kerosene, or gasoline

(Note: The saw chain tension is properly set at the factory. A new chain will stretch.
Check new chain tension frequently (after disconnecting battery) during the first 2 hours of operation. Allow chain to cool down. Follow steps below to check saw chain tension.)

1. Remove battery from chain saw.
2. Place chain saw on a firm surface to check chain tension.
3. Pull chain with light force 1/8″ away from bottom of guide bar and release. If chain lightly snaps back into place, tension is correct. A slight sag (1/16″ or less) between chain and bottom of guide bar is acceptable.

Saw Chain Tension Adjustment

1. Tighten
2. Loosen

1. Loosen tensioning wheel (5) Automatic tensioning of chain
2. Tighten tension wheel (5) firmly.
3. Wearing protective gloves, pull down on chain to check chain tension

CUTTING WITH THE CHAIN SAW

1. The chain saw’s fuel tank fill up
2. Attach battery to saw.
3. Make sure section of log to be cut is not laying on ground. This will keep chain from touching ground as it cuts through log. Touching ground with moving chain will dull chain.
4. When ready to make a cut, press in trigger lockout (9) and trigger (10). This will turn chain saw on. Releasing trigger will turn chain saw off. Make sure saw is running before starting a cut.
5. When starting a cut, place moving chain against wood. Hold saw firmly in place to avoid possible bouncing or skating (sideways movement) of saw.
6. Guide saw using light pressure. Do not force saw. The motor will overload and can burn out. It will do the job better and safer at the rate for which it was intended.
7. Remove saw from a cut with saw running. Stop saw by releasing trigger. Make sure chain has stopped before setting saw down.

Connecting the long pole

1. Lock button 1
2. Lock button 2

1. Push the lock button 1 all the way to the bottom and pull the socket down.
2. Insert the connecting rod into the power head along the guide slot until the lock button 2 bounces back to the initial position.
3. Slide the hasp into the hook groove of power head and press the trigger in the opposite direction.
4. Insert the coupling socket into the handle along the guide slot until the locking button pops up to the initial position.

Removing the long pole

1. Lock button 2

1. Pull up the lock button and remove the Hasp from the hook slot.
2. Hook back to lock the button to the bottom and then remove the rod down

Assembly function of swivel head

Hold the rotary rod tightly. Slide the locking press button up and then turn the work head to the desired position. Release the locking press button again and check whether the work head is locked in place.
Note: The work head can be locked in Seven positions(-45°, -22.5°, 0°, 22.5°, 45°, 67.5°, 90°).

Retracting the Pole

Open the clamping lever and extend upper part of handle to desired handle length.
Then click the clamping lever to fix the tube tight.

Starting the pole pruner

When ready to make a cut, press in trigger lockout (21) and trigger (22). This will make the machine work. Release the trigger the machine stopped working.

REPLACING SAW CHAIN

IMPORTANT: Do not clamp chainsaw in vise to replace saw chain or guide bar.

Replace chain when cutters are too worn to sharpen or when chain breaks. Only use replacement chain noted in this manual. Always include new drive sprocket when replacing chain. This will maintain proper driving of chain. (Note: For proper chain and drive sprocket, see Parts List.)

1. Loosen tension wheel.
2. Remove sprocket cover and tension wheel
3. Remove saw chain.
4. Place new chain around the guide bar, along top groove of guide bar, and around guide bar nose. Note: Make sure cutting edges of chain are facing in right direction. Position chain so cutting edges on top of guide bar face guide bar nose
5. Put the guide bar with the new saw chain into the automatic tensioner, and push forward along the guide block, then put the saw chain into the sprocket and flatten the guide bar. (Warning: Replacing saw chains must remove the battery pack from the chain saw and wear protective gloves. Severe injury or death could occur from body contact with moving chain.)
6. Place sprocket cover into Positioning groove.
7. Locking the sprocket cover with tension wheel. (IMPORTANT: Securely tighten tension wheel.)
   CAUTION: Do not place chain on saw backwards. If chain is backwards, saw will vibrate badly and will not cut.

1. Tension Wheel
2. Guide Bar
3. Saw Chain
4. Automatic tensioner
5. Guide block
6. Sprocket
7. Sprocket Cover

1. cutting edges
2. chain slide

1. Automatic tensioner
2. Guide block
3. Sliding groove
4. Adjusting Hole
5. Sprocket

FELLING A TREE (Cutting Down a Tree)

WARNING:

• Avoid kickback. Kickback can result in severe injury or death.
• Do not fell a tree without ample skill or expert help.
• Keep children, animals, and bystanders away from area when felling a tree.
• If two or more persons perform bucking and felling operations at the same time, provide ample distance between operations. Provide distance of at least twice the height of tree being felled.

WARNING:

When felling a tree, be aware of your surroundings. Do not endanger any person, strike utility lines, or cause property damage. If tree strikes utility lines, contact utility company at once.
Felling is the process of cutting down a tree. Make sure your footing is firm. Keep feet apart. Divide your weight evenly on both feet. Follow directions below to fell a tree.

Before Felling a Tree

1. Before felling, inspect tree. Make sure there are no dead limbs or branches that may fall on you. Study natural lean of tree, location of larger branches, and wind direction. This will help you judge which way tree will fall.
2. Clear work area around tree.
3. Plan and clear a retreat path before felling. Make retreat path opposite to planned direction of fall of tree and at 45° angle.
4. Remove dirt, stones, loose bark, nails, staples, and wire from tree where you will make felling cuts.
5. Stay on uphill side when felling tree. Tree could roll or slide downhill after falling.

WARNING: Be alert for falling overhead limbs. Watch your footing while exiting area.

LIMBING A TREE

WARNING: Avoid kickback. Kickback can result in severe injury or death. See Kickback to avoid risk of kickback.

WARNING: When cutting limb that is under tension, use extreme caution. Be alert for wood springing back. When wood tension is released, limb could spring back and strike operator causing severe injury or death.

Limbing is removing branches from a fallen tree. Make sure your footing is firm. Keep feet apart. Divide your weight evenly on both feet. Do not remove larger limbs under tree that support log off ground. Remove each limb with one cut ( See Fig 12 ). Clear cut limbs from work area often. This will help maintain a safe work area.

Make sure you start your cut where limb will not pinch saw during cutting. To avoid pinching, start cut on freely hanging limbs from above limb. Start cut on limbs under tension from under limb. If pinch occurs, turn saw off, lift limb, and remove saw.

BUCKING A LOG

WARNING: Avoid kickback. Kickback can result in severe injury or death. See Kickback to avoid risk of kickback.

WARNING:

• If on slope, make sure log will not roll down hill. Secure log by using wooden stakes.
  Drive wooden stakes into ground on downhill side of log. Stand on uphill side of log while cutting. Log may roll after cutting.

• Never try cutting through two logs at same time. This could increase the risk of kickback.

• While cutting log, never hold log with your hand, leg, or foot.

• While cutting log, never allow another person to hold log.

• Turn off and unplug saw before moving from one place to another.

Bucking a log is cutting a log into sections. Make sure your footing is firm. Keep feet apart. Divide your weight evenly on both feet. When possible, raise log or section off ground. Do this by using limbs, logs, chocks, etc.

When cutting through log, maintain control by reducing cutting pressure near end of cut. Do not relax your grip on chain saw handles. Do not let moving chain touch ground. Ground will dull moving chain. After cutting through log, release trigger to turn saw off before moving saw.

Follow directions below to buck a log.

CLEANING AND MAINTENANCE

CLEANING SAW BODY

Keep saw body clean. Use a soft cloth dampened with a mild soap and water mixture. Wipe saw body to clean.

CARE OF GUIDE BAR

Uneven bar wear causes most guide bar problems. Incorrect sharpening of chain cutter and depth gauge settings often cause this. When bar wears unevenly, it widens guide bar groove. This causes chain clatter and rivet popping. Saw will not cut straight. Replace guide bar if this occurs.

Inspect guide bar before sharpening chain. A worn or damaged guide bar is unsafe. A worn or damaged guide bar will damage chain. It will also make cutting harder.

1. Guide Bar Groove
2. Guide Bar
3. Normal Guide Bar
4. Guide Bar With Uneven Wear

Normal Guide Bar Maintenance

1. Remove guide bar from chain saw.
2. Remove sawdust from guide bar groove periodically. Use putty knife or wire.
3. Clean oil slots after each day of use.
4. Remove burrs from sides of guide bar. Use flat file to make side edges square.

Replace guide bar when

• bar is bent or cracked
• inside groove of bar is badly worn

(Note: When replacing guide bar, see Replacement Parts and Accessories for replacement information. See Parts Lis for correct bar.)

1. Flat File
2. Burr
3. Guide Bar
4. Cleaning Groove With Putty Knife
5. Oil Slot

SHARPENING SAW CHAIN

Keep chain sharp. Your saw will cut faster and more safely. A dull chain will cause undue sprocket, guide bar, chain, and motor wear. If you must force chain into wood and cutting creates only sawdust with few large chips, chain is dull.

Items Needed to Sharpen Chain

Purchase these items from your local dealer, hardware store, or pole saw supplies outlet.

• 5/32″ round file
• Depth gauge tool
• File guide
• Vise
• Medium sized flat file

Sharpening Cutters
Use file guide for 30° filing.
1. Adjust chain for proper tension.
2. Clamp guide bar in vise to hold saw steady. (Note: Do not clamp chain.)
3. Press 5/32″ round file (attached to file guide) into groove between top plate and depth gauge on chain. File guide should rest on both top plate and depth gauge. (Note: File at midpoint of guide bar.)

1. 30° Guide Mark
2. Filing Direction
3. File Guide
4. 5/32″ Round File

Note: This illustration shows file guide placement and filing direction for sharpening cutters on left side of chain.
4. Hold file guide level. Make sure 30° mark on file guide is parallel to center of guide bar. This will insure that you file cutters at 30° angle.
5. File from inside towards outside of cutter until sharp. Only file in this one direction.
(Note: Two or three strokes with file should sharpen cutter.)

1. Top Plate (left side of the chain)
2. Groove
3. Depth Gauge (left side of the chain)
4. Depth Gauge (right side of the chain)
5. Top Plate (right side of the chain)
6. Right Side of Chain

Filing Cutter Depth Gauges

The cutter depth gauge clearance is reduced as cutters are sharpened. After every second or third sharpening, reset cutter depth gauges.

1. Place depth gauge tool (.025″) firmly across top of two cutters. Make sure depth gauge enters slot in depth gauge tool.
2. Use medium flat file. File depth gauge level with depth gauge tool.
3. Remove depth gauge tool. With flat file, round off front corner of cutter depth gauge.

After several hand filings, have authorized service center or sharpening service machine sharpen chain. This will insure even filing.

1. Depth Gauge Tool

2. Flat File

3. Depth Gauge

4. Front Corner

STORAGE

If storing saw for more than 30 days, follow steps below.

1. Remove battery from chain saw.

2. Charge battery completely. (Note: It could take up to 7 hours to completely charge the battery.)

3. When battery is completely charged, remove from charger and put protective cap on battery terminals.
   IMPORTANT: To prolong battery life, avoid leaving battery on charger for extended periods of time (over 30 days without use).

4. Remove and clean guide bar and chain. Clean guide bar and chain by soaking in petroleum based solvent or mild soap and water mixture.

5. Dry guide bar and chain.

6. Place chain in container filled with oil. This will prevent rust.

7. Wipe a thin coating of oil over surface of guide bar.

8. Wipe off outside of saw body. Do this with soft cloth dampened with a mild soap and water mixture.

9. Store chain saw and battery
   • in a high or locked place, out of children’s reach
   • in a dry place
   • in a carrying case or with scabbard over guide bar

DISPOSAL:

The packaging material is reusable. Rid yourself of the packaging in an environmentally friendly way and put it in the collection of recyclable materials.

Dispose of the product and the batteries in view of the environment if you want to separate. The device and the batteries should not be thrown into the household garbage. Bring them to the recycling center for the used electrical and electronic devices. You can consult to the local government for more information. Remove the batteries first.

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