RedMax G621AVS manual Checking OIL Supply, Adjusting Carburetor F13

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7. Operation

F11

F12

F13

CHECKING OIL SUPPLY

WARNING

Make sure to set up the bar and the chain when checking the oil supply.

If not, the rotating parts may be exposed. It is very dangerous.

After starting the engine, run the chain at medium speed and see if chain oil is scattered off as shown in the figure. (F11)

(1) Chain oil

The oil flow can be changed by turning the adjuster knob on the top of the cylinder cover. Adjustment according to your work conditions. (F12)

(1) Adjuster knob

NOTE

The oil tank should become nearly empty by the time fuel is used up. Be sure to refill the oil tank every time when refueling the saw.

ADJUSTING CARBURETOR (F13)

The carburetor on your unit has been factory adjusted, but may require fine tuning due to change in operating conditions.

Before adjusting the carburetor, make sure that provided are clean air/fuel filters and fresh, properly mixed fuel.

When adjusting, take the following steps:

NOTE

Be sure to adjust the carburetor with the bar chain attached.

1.H and L needles are restricted within the number of turn as shown below.

H needle –1/4

L needle –1/4

2.Start engine and allow it to warm up in low speed for a few minutes.

3.Turn idle adjusting screw (T) counter-clockwise

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Contents 3369-93110 G621AVSContents Safety FirstParts location SpecificationsG621AVS Power unit Engine Family 5KZXS Mnem Symbols on the machineFor safe operation Kickback Safety Precautions for Chain SAW Users Loosen Tighten Installing guide bar and saw chainChain cover Chain tensioner nut Moving DirectionRecommended Mixing Ratio Gasoline 50OIL HOW to MIX FuelFuel and Chain oil Chain OIL Fueling the UnitFor Your Engine LIFE, Avoid Throttle interlock Latch Choke knob Chain oil Fuel SwitchOperation Starting EngineChecking OIL Supply Adjusting Carburetor F13ANTI-FREEZE Parts Icing Prevention SystemFront handle Released Braking Brake lever How to confirmF19 Chain BrakeGuard Against Kickback F20 SawingFelling a Tree F21 F21Cutting Limb of Fallen Tree F24 F22 F23 F24 F25 Log lying on the ground F22Log hanging off the ground F23 Oiling port Guide bar MaintenanceMaintenance After Each USE Oiling portPeriodical Service Points NGK BPM7A SAW Chain Maintenance of Saw Chain and Guide BarF34 F35 GB BAR StorageGuide BAR Oregon 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