RedMax G621AVS manual Periodical Service Points

Page 18

9. Maintenance

F29

F30

F31

■PERIODICAL SERVICE POINTS

1. Cylinder fins

Dust clogging between the cylinder fins will cause overheating of the engine. Periodically check and clean the cylinder fins after removing the air cleaner and the cylinder cover. When installing the cylinder cover, make sure that switch wires and grommets are positioned correctly in place. (F29)

NOTE

Be sure to block the air intake hole.

2. Fuel filter

(a)Using a wire hook, take out the filter from the filler port. (F30)

(b)Disassemble the filter and wash with gasoline, or replace with new one if needed. (F31)

(1)Screen

(2)Clip

(3)Filter

(4)Sleeve

(5)Retainer

NOTE

•After removing the filter, use a pinch to hold the end of the suction pipe.

•When assembling the filter, take care not to allow filter fibers or dust inside the suction pipe.

3. Oil tank

With a wire hook, take out the oil filter through the filler port and clean in gasoline. When putting the filter back into the tank, make sure that it comes to the front right corner without bent. Also clean off dirt in the tank.

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Contents G621AVS 3369-93110Safety First ContentsSpecifications G621AVS Power unitParts location Symbols on the machine Engine Family 5KZXS MnemFor safe operation Kickback Safety Precautions for Chain SAW Users Moving Direction Installing guide bar and saw chainChain cover Chain tensioner nut Loosen TightenHOW to MIX Fuel Fuel and Chain oilRecommended Mixing Ratio Gasoline 50OIL Fueling the Unit For Your Engine LIFE, AvoidChain OIL Starting Engine Chain oil Fuel SwitchOperation Throttle interlock Latch Choke knobAdjusting Carburetor F13 Checking OIL SupplyIcing Prevention System ANTI-FREEZE PartsChain Brake How to confirmF19 Front handle Released Braking Brake leverSawing Guard Against Kickback F20F21 Felling a Tree F21F22 F23 F24 F25 Log lying on the ground F22 Log hanging off the ground F23Cutting Limb of Fallen Tree F24 Oiling port MaintenanceMaintenance After Each USE Oiling port Guide barPeriodical Service Points NGK BPM7A Maintenance of Saw Chain and Guide Bar F34 F35SAW Chain Oregon BAR StorageGuide BAR GB BARTroubleshooting Guide Case 2. Lack of power/Poor acceleration/Rough idlingCase 3. Oil does not come out 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