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16
SECTION 7: 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 the
air filter will VOID the warranty.
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. See Figure 30.
NOTE: It may be necessary to remove the fuel cap to
completely remove the air filter cover.
2. Remove the air filter. See Figure 30.
3. Wash the filter in detergent and water. See Figure 31.
Rinse the filter thoroughly and allow it to dry.
4. Apply enough clean SAE 30 motor oil to lightly coat
the filter. See Figure 32.
Air Filter
Air Filter Cover
Tab
5. Squeeze the filter to spread and remove excess oil.
See Figure 33.
Back Plate Slot
Slots
6. Replace the filter. See Figure 34.
NOTE: If the unit is operated without the air filter, you
will VOID the warranty.
7. Reinstall the air filter cover. Position the hooks on
the left side of the air filter cover into the slots at the
left side of the back plate. See Figure 34.
NOTE: It may be necessary to remove the fuel cap to
reinstall the air filter cover.
8. Swing the cover to the right until the tab on the air
filter cover snaps into place in the slot on the back
plate. See Figure 30 and 34.
9. Replace the fuel cap if it was removed.
Back Plate
Carburetor Adjustment
The idle speed of the engine is adjustable through the air
filter/muffler cover. See Figure 35.
NOTE: Careless adjustments can seriously damage your
unit. An authorized service dealer should make
carburetor adjustments.
Check Fuel
Old fuel is usually the reason for improper unit
performance. Drain and refill the tank with fresh fuel prior
to making any adjustments. Refer to Oil and Fuel
Information.
Figure 34
Figure 33
Figure 31
Figure 30
Figure 32
WARNING: To avoid serious personal injury,
always turn your trimmer off and allow it to
cool before you clean or service it.