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Read all safety rules and instructions carefully before operating this tool.

Owner’s Manual

TOLL-FREE HELPLINE: 1-888-90WORKS

(888.909.6757)

80V CORDLESS BRUSHLESS CHAINSAW

GCS80420

2000002

Some Greenworks Lithium-Ion products are sold with 

or without battery and charger.

To order: Battery (2Ah 80V Battery 2901302) 

               Charger (Model # 2901402)

www.greenworkstools.com

Summary of Contents for GCS80420

Page 1: ...wner s Manual TOLL FREE HELPLINE 1 888 90WORKS 888 909 6757 80V CORDLESS BRUSHLESS CHAINSAW GCS80420 2000002 Some Greenworks Lithium Ion products are sold with or without battery and charger To order...

Page 2: ...List 40 PRODUCT SPECIFICATIONS 80V CORDLESS BRUSHLESS CHAINSAW Type Cordless battery powered Motor 80 V Bar length 18 45 8cm Chain pitch 3 8 9 5 mm Chain gauge 0 05 1 1 mm Chain type 91P062X Guide ba...

Page 3: ...r 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 u...

Page 4: ...easier to control G Use the power tool accessories and tool bits etc in accordance with these instructions and in the manner intended for the particular type of power tool taking into account the wor...

Page 5: ...ccident or injury Kickback is the result of tool misuse and or incorrect operating procedures or conditions and can be avoided by taking proper precautions as given below hands on the saw and position...

Page 6: ...s or other reproductive harm Some examples of these chemicals are lead from lead based paints crystalline silica from bricks and cement and other masonry products and arsenic and chromium from chemica...

Page 7: ...m accident or injury The following precautions should be followed to minimize kickback 1 unit is running Place your right hand on the rear handle and your left hand on the front with a stiff left arm...

Page 8: ...IN The rakers depth gauges ahead of each cutter can minimize the force of a kickback reaction by preventing the cutters from digging in too deeply at the kickback zone Only use replacement B175 1 Low...

Page 9: ...gram requirements Safety Alert Symbol Precautions that involve your safety Read the Operator s Manual To reduce the risk of injury user must read and understand operator s manual before using this pro...

Page 10: ...e operation of any power tool can result in foreign objects being thrown into your eyes which can result in severe eye damage Before beginning power tool operation always wear safety goggles or safety...

Page 11: ...ing your chain saw Compare the illustration in Figure 5 to your chain saw in order to familiarize yourself with the location of various controls and adjustments Save this manual for future reference O...

Page 12: ...d or missing please call 1 888 909 6757 for assistance PACKING LIST Chainsaw Scabbard O 80V 2Ah battery Model 2901302 80v Charger Model 2901402 wner s Manual Wrench 13mm located inside rear handle W A...

Page 13: ...safety glasses with side shields that comply with ANSI Z87 1 when operating power tools Failure to do so could result in objects being thrown into your eyes resulting in possible serious injury APPLI...

Page 14: ...nated oils Damage may occur to the bar or chain DO NOT re move the foam NOTE It is normal for oil to seep from the saw when not in use To prevent seepage empty the oil tank after each use then run for...

Page 15: ...his product has no memory effect OPERATING YOUR CHAIN SAW INSTALLING THE BATTERY PACK P Align the battery pack 3 with the battery compartment on the chain saw ush the battery pack into the battery com...

Page 16: ...ndle You will hear two beeps signalling the chain saw is active Press in the safety lock This makes the switch trigger operational Press and hold the switch trigger for continued operation STOPPING TH...

Page 17: ...aw to an authorized service center for repair prior to use Check the operating condition of the chain brake prior to each use Engage the chain brake by rotating your left wrist towards the guard allow...

Page 18: ...to be broken are on the same side of the handle is dangerous because a slight kick of the saw can cause loss of control W A R N I N G Never use a left handed cross handed grip or any stance that would...

Page 19: ...olid ground Keep left arm with elbow locked in a straight arm position to withstand any kickback force Keep your body to the left of the chain line Keep your thumb on underside of handlebar OPERATING...

Page 20: ...on the saw at the end of the cut WORK AREA PRECAUTIONS See Figure 12 Cut only wood or materials made from wood no sheet metal no plastics no masonry no non wood building materials Never allow children...

Page 21: ...tten limbs loose bark or hollow trunks Have these trees pushed or dragged down with heavy equipment then cut them up Do not cut trees near electrical wires or buildings Check the tree for damaged or d...

Page 22: ...of the tree and the location tree along a line different from its natural line of fall Remove dirt stones loose bark nails staples and wire from the tree where felling cuts are to be made Notched Und...

Page 23: ...k cut before it is deep enough for the tree to either fall or settle back on the stump Then insert soft wooden or plastic wedges into the cut so they do not touch the chain Drive wedges in little by l...

Page 24: ...on both feet Cut only one log at a time Support small logs on a saw horse or another log while bucking Keep a clear cutting area Make sure that no objects can contact the guide bar nose and chain duri...

Page 25: ...under stress to prevent the bar and chain from pinching OVERBUCKING See Figure 21 Begin on the top side of the log with the bottom of the saw against the log exert light pressure downward Note that th...

Page 26: ...the side of the tree opposite the branch you are cutting PRUNING See Figure 24 Pruning is trimming limbs from a live tree footing is secure and your weight is distributed evenly on both feet Do not c...

Page 27: ...or removed On a fallen tree a rooted stump has a high potential of springing back to the upright position during the bucking cut to separate the log from the stump Watch out for springpoles they are...

Page 28: ...plastic parts Chemicals can damage weaken or destroy plastic which may result in serious personal injury LUBRICATION for the life of the unit under normal operating conditions Therefore no further lub...

Page 29: ...Fig 25 Fig 26 Fig 27 Fig 28 Remove the chain cover from the mounting surface The bar and chain can now be removed by lifting it away from the main body of the saw and releasing the chain from the spro...

Page 30: ...groove Fig 29 Fig 30 Fig 31 Bar Groove Chain Drive Links Lift the tip of the guide bar up to check for sag Release the tip of the guide bar and turn the chain adjustment screw 1 2 turn clockwise Repe...

Page 31: ...igure 32 34 WARNING Never touch or adjust the chain while the motor is running The saw chain is very sharp Always wear protective gloves when performing maintenance on the chain Once the chain is at t...

Page 32: ...intenance of the chain consider the following risk of severe kickback Raker depth gauge clearance Too low increases the potential for kickback Not low enough decreases cutting ability If the cutter te...

Page 33: ...rforming maintenance to the chain to prevent serious personal injury Tension the chain prior to sharpening Refer to Adjusting The Chain Tension bar C A U T I O N A dull or improperly sharpened chain c...

Page 34: ...e LESS THAN 30 for cross cutting MORE THAN 30 feathered edge dulls quickly Fig 36 Fig 38 Fig 37 Fig 39 Fig 40 Toe Cutting Corner Left Hand Cutters Right Hand Cutters Side Plate Depth Gauge PARTS OF A...

Page 35: ...GLE See Figure 42 44 Maintain the depth gauge at a clearance of 1 32 0 6 mm Use a depth gauge tool for checking the depth gauge clearances depth gauge jointer After lowering each depth gauge restore o...

Page 36: ...t permits the chain to lay over sideways Bent guide bar Cracked or broken rails Spread rails Lubricate guide bars weekly with a sprocket at their tip Using a grease syringe lubricate weekly in the lub...

Page 37: ...ve 7 Ensure that the adjusting block is located in the tensioning hole on the chain bar 8 And that the rubber block and chain bar are free from oil as this helps to keep tension on the chain 9 Replace...

Page 38: ...recycling and or disposal not do not recharge it and do not use it Dispose of it and replace it with a new battery pack DO NOT ATTEMPT TO REPAIR IT and to avoid damage to the environment Cover the bat...

Page 39: ...to Replacing the Bar and Chain assembly earlier in this manual Check guide bar and chain for Inspect guide bar and chain for damage damage Motor runs chain Dull chain Sharpen or replace the chain Beep...

Page 40: ...MS NOT COVERED BY WARRANTY 1 Any part that has become inoperative due to misuse commercial use abuse neglect accident improper maintenance or alteration or 2 The unit if it has not been operated and o...

Page 41: ...ry botton 1 4 311021075 top cover assembly 1 5 311031075 oil cap assembly 1 6 311041075 front hand guard assembly 1 7 311051075 front handle assembly 1 8 311061075 side cover assembly 1 9 311011010 80...

Page 42: ...TOLL FREE HELPLINE 1 888 90WORKS 888 909 6757 Rev 01 10 15 14...

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