Ryobi 990r manual Air Filter Maintenance, MAINTENANCE AND REPAIR INSTRUCTIONS Continued, Screw

MAINTENANCE AND REPAIR INSTRUCTIONS (Continued)

AIR FILTER MAINTENANCE

NOTE: CLEAN AND RE-OIL THE AIR FILTER EVERY 10 HOURS OF OPERATION. Your unit’s air filter is one of the most important areas to maintain. If it is not maintained, you will void the warranty. Before cleaning, make sure the unit is turned off.

1.Remove the three (3) screws on the carburetor/air filter cover assembly. Remove the air filter cover (Fig. 35).

NOTE: The choke lever should be in the "PARTIAL" position to remove and install the air filter cover.

Screws

Choke Lever

Screw

Fig. 35

2. Remove the air filter (Fig. 36).

Air Filter

Fig. 36

3.Wash the filter in detergent and water (Fig. 37). Rinse the filter thoroughly and allow it to dry.

Fig. 37

4.Apply enough clean SAE 30 oil to saturate the filter (Fig. 38).

Fig. 38

5. Squeeze the filter to spread the oil (Fig. 39).

Fig. 39

6.Reinstall the filter (see Fig. 36), air filter cover and screws (see Fig. 35). Torque the screws to 2.8-3.4 N•m (25-30 in•lb).

NOTE: If the unit is operated without the air filter cover installed, you will void the warranty.

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