Troy-Bilt TB425CS - Manual (Page 17)

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3. Wash the filter in detergent and water (Fig. 57). Rinse
the filter thoroughly and allow it to dry.
4. Apply enough clean SAE 30 motor oil to lightly coat
the filter (Fig. 58).
Fig. 57
5. Squeeze the filter to spread and remove excess oil
(Fig. 59).
Fig. 59
Fig. 58
MAINTENANCE AND REPAIR INSTRUCTIONS
AIR FILTER MAINTENANCE
Cleaning the Air Filter
Clean and re-oil the air filter every 10 hours of operation.
It is an important item to maintain. Failure to maintain
your air filter properly can result in poor performance or
can cause permanent damage to your engine.
1. Open the air filter cover. Push the tab on the right
side of the cover inward. Then pull the air filter cover
out and to the left (Fig. 56).
NOTE: It may be necessary to remove the fuel cap to
completely remove the air filter cover.
2. Remove the air filter (Fig. 56).
Air Filter
Air Filter Cover
Tab
Fig. 56
To avoid serious
personal injury,
always turn the unit off and allow it to cool
before you clean or service it.
WARNING: