RedMax G621AVS manual Maintenance of Saw Chain and Guide Bar, F34 F35, SAW Chain

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10. Maintenance of Saw Chain and Guide Bar

F34

F35

■SAW CHAIN

WARNING

It is very important for smooth and safe operation to keep the cutters always sharp.

Your cutters need to be sharpened when:

•Sawdust becomes powder-like.

•You need extra force to saw in.

•The cut way does not go straight.

•Vibration increases.

•Fuel consumption increases.

Cutter setting standards:

WARNING

Be sure to wear safety gloves.

Before filing:

•Make sure the saw chain is held securely.

•Make sure the engine is stopped.

•Use a round file of proper size for your chain.

Chain type:	72V
File size:	7/32 in (5.5mm)

Place your file on the cutter and push straight forward. Keep the file position as illustrated. (F34)

Make sure every cutter has the same length and edge angles as illustrated. (F35)

(1)Cutter length

(2)Filing angle

(3)Side plate angle

(4)Top plate cutting angle

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Contents G621AVS 3369-93110Safety First ContentsParts location SpecificationsG621AVS Power unit Symbols on the machine Engine Family 5KZXS MnemFor safe operation Kickback Safety Precautions for Chain SAW Users Installing guide bar and saw chain Chain cover Chain tensioner nutMoving Direction Loosen TightenRecommended Mixing Ratio Gasoline 50OIL HOW to MIX FuelFuel and Chain oil Chain OIL Fueling the UnitFor Your Engine LIFE, Avoid Chain oil Fuel Switch OperationStarting Engine Throttle interlock Latch Choke knobAdjusting Carburetor F13 Checking OIL SupplyIcing Prevention System ANTI-FREEZE PartsHow to confirm F19Chain Brake Front handle Released Braking Brake leverSawing Guard Against Kickback F20F21 Felling a Tree F21Cutting Limb of Fallen Tree F24 F22 F23 F24 F25 Log lying on the ground F22Log hanging off the ground F23 Maintenance Maintenance After Each USEOiling port Oiling port Guide barPeriodical Service Points NGK BPM7A SAW Chain Maintenance of Saw Chain and Guide BarF34 F35 Storage Guide BAROregon BAR GB BARCase 3. Oil does not come out Troubleshooting GuideCase 2. Lack of power/Poor acceleration/Rough idling Parts list Fig.A-1 Power Unit G621AVS Fig.A-2 Power Unit  27  Fig.B Carbburetor Fig.D Cutting Head Chain Saws Limited Warranty RedMax Garantie limitée des tronçonneuses