MTD BV3100 - Manual (Page 11)

MAINTENANCE AND REPAIR INSTRUCTIONS
GB11
Fig. 25
Fig. 23
Fig. 24
Choke Lever
Screws Screws
AIR FILTER MAINTENANCE
Removing the Air Filter/Muffler Cover
1. Place the choke lever in Position 2.
NOTE: The choke lever must be in Position 2 (Fig. 21) to
remove the air filter/muffler cover.
2. Remove the four (4) screws securing the air
filter/muffler cover (Fig. 21). Use a flat blade or T-20
Torx bit screwdriver.
3. Pull the cover from the engine. Do not force.
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. Remove the air filter/muffler cover. See Removing
the Air filter/Muffler Cover.
2. Remove the air filter from behind the air filter/muffler
cover (Fig. 22).
3. Wash the filter in detergent and water (Fig. 23). Rinse
the filter thoroughly. Squeeze out excess water.
Allow it to dry completely.
4. Apply enough clean oil to lightly coat the filter (Fig. 24).
5. Squeeze the filter to spread and remove excess oil
(Fig. 25).
6. Replace the air filter in the air filter/muffler cover (Fig. 22).
NOTE: Operating the unit without the air filter and air
filter/muffler cover assembly, will VOID the warranty.
Reinstalling the Air Filter/Muffler Cover
1. Place the air filter/muffler cover over the back of the
carburetor and muffler.
NOTE: The choke lever must be in Position 2 (Fig. 21) to
install the air filter/muffler cover.
Fig. 21
Air Filter
Fig. 22
2. Insert the four (4) screws into the holes in the air
filter/muffler cover (Fig. 21) and tighten. Use a flat
blade or T-20 Torx bit screwdriver. Do not over
tighten. Do not force.