McCulloch MT705 Operator's Manual page 14

MAINTENANCE AND REPAIR INSTRUCTIONS
AIR FILTER MAINTENANCE
Removing the Air Filter/Muffler Cover
WARNING:
always turn your unit off and allow it to cool
before you clean or service it.
1. Place the blue choke lever in Position 2 (Fig. 23).
NOTE: The blue choke lever must be in Position 2 to
remove the air filter/ muffler cover.
2. Remove the four (4) screws securing the air
filter/muffler cover (Fig. 23). Use a T-20 Torx bit
screwdriver.
3. Pull the cover from the engine. Do not force.
Blue Choke
Lever
Screws
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 air filter/muffler cover. Refer to Removing
the Air Filter/Muffler Cover.
2. Turn cover over and look inside to locate the air filter.
Remove the air filter from inside the air filter/muffler
cover (Fig. 24).
3. Wash the filter in detergent and water (Fig. 25). Rinse
the filter thoroughly. Squeeze out excess water. Allow
it to dry completely.
4. Apply enough clean SAE 30 oil to lightly coat the filter
(Fig. 26).
5. Squeeze the filter to spread and remove excess oil
(Fig. 27).
14
To avoid serious
personal injury,
Position 2
Screws
Fig. 23
Air Filter
Inside Muffler
Cover
Fig. 24
Fig. 26
6. Replace the air filter inside the air filter/muffler cover
(Fig. 24
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. Align the screw holes.
2. Insert the four (4) screws into the holes in the air
filter/muffler cover (Fig. 23) and tighten.
Do not over tighten.
Fig. 25
Fig. 27