Ryobi 2075RC Manuel de l'opérateur télécharger pdf (Page 14)

MAINTENANCE AND REPAIR INSTRUCTIONS

6. Reinstall the filter (Fig. 22) and air filter cover.

NOTE: If the unit is operated without the

carburetor/air filter cover assembled,

you will VOID the warranty.

The condition of the air filter is important to the

operation of the unit. A dirty air filter will restrict

the air flow, which upsets the fuel-air mixture in

the carburetor. The resulting symptoms are often

mistaken for an out-of-adjustment carburetor.

Therefore, check the condition of the air filter

before adjusting the carburetor. Refer to Air Filter

Maintenance.

If the following conditions are experienced, it may

be necessary to adjust the carburetor:

• The engine will not idle

• The engine hesitates or stalls on acceleration

•A loss of engine power that is not

corrected by new fuel or cleaning the

air filter and muffler

NOTE: Warm up the engine for 30-60 seconds

before adjusting the carburetor.

Adjusting Carburetor

1. Clean the air filter if it is dirty. Refer to Air

Filter Maintenance.

2. Fill the tank with clean, properly mixed fuel.

Refer to Oil and Fuel Information.

3. If the engine stops frequently when idling, turn

the idle speed screw clockwise 1/2 turn until the

engine stabilizes (Fig. 26).

4. If the cutting head keeps rotating after the trigger

is released, turn the idle speed screw

counterclockwise 1/2 turn until the head stops

rotating (Fig. 26).

NOTE: Careless adjustments can seriously

damage your unit. It is recommended

that carburetor adjustments be made

by an authorized service dealer.

Fig. 24

Fig. 25

4. Apply enough clean motor oil to lightly coat

the filter (Fig. 24).

5. Squeeze the filter to spread and remove

excess oil (Fig. 25).

CARBURETOR ADJUSTMENT

This unit is equipped with a diaphragm-type

carburetor that has been carefully calibrated at

the factory. In most cases, no further adjustment

is required

Old or improperly mixed fuel are usually the main

reasons for the unit not running properly. Drain

and refill the tank with fresh properly mixed fuel

prior to doing any adjustments. Refer to Oil and

Fuel Information for the proper ratio.

Fig. 26

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Ryobi 2075RC Manuel de l'opérateur Page 14

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