Air Injection Filter: Service and Repair

Fig. 6 Removing Centrifugal Type Air Filter:

1. To replace the centrifugal type, Fig. 6, remove drive belt and pump pulley. Pry loose outer disc of filter fan, being careful to prevent fragments from entering the air intake hole.
2. Install the new filter by drawing it on with the pulley and pulley bolts. Do not attempt to install a filter by hammering it or pressing it on.
3. Draw the filter down evenly by alternately tightening the bolts. Make certain that the outer edge of the filter slips into the housing. The slight amount of interference with the housing bore is normal.