Air Filter Maintenance; Spark Arrestor Maintenance - MTD Yard Machines 769-02636 Manuel De L'utilisateur

MAINTENANCE AND REPAIR INSTRUCTIONS

AIR FILTER MAINTENANCE

Removing the Air Filter/Muffler Cover
WARNING:
always turn the unit off and allow it to cool
before you clean or service it.
1. Place the blue choke lever in Position 2.
NOTE: The blue choke lever must be in Position 2
(Fig. 13) to remove the air filter/ muffler cover.
2. Remove the four (4) screws securing the air
filter/muffler cover (Fig. 13). Use a # T20 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 the air filter/muffler cover. Refer to the
Removing the Air filter/Muffler Cover section.
2. Remove the air filter from inside the air filter/muffler
cover (Fig. 14).
3. Wash the filter in detergent and water (Fig. 14). Rinse
the filter thoroughly. Squeeze out excess water.
Allow it to dry completely.
4. Apply enough SAE 30 oil to lightly coat the filter (Fig. 15).
5. Squeeze the filter to spread and remove extra oil (Fig. 15).
6. Replace the air filter inside the muffler cover (Fig. 14).
NOTE: Operating the unit without the air filter and 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 blue choke lever must be in Postion 2 (Fig.
13) to remove the air filter/ muffler cover.
2. Insert the four (4) screws into the holes in the air filter/
muffler cover (Fig. 13) and tighten. Use a # T20 Torx
bit screwdriver. Do not over tighten. Do not force.
12
To avoid serious
personal injury,
Position 2
Screws
Fig. 13
Air Filter
Inside Muffler
Cover

SPARK ARRESTOR MAINTENANCE

1. Remove air filter/muffler cover. Refer to Removing
the Air Filter/Muffler Cover.
2. Locate the muffler, but do not remove it. Find the
screw on the bottom of the muffler (Fig. 16). Remove
the screw using either a torx #20 or flat blade
screwdriver.
3. Carefully pry up the left side spark arrestor hood.
Two tabs act as hinges on the right side of the hood.
Flip open the spark arrestor hood like a door and
then pull its tabs out of the muffler slots.
4. Using a small flat blade screwdriver, carefully pry the
spark arrestor screen out from the inside of the spark
arrestor hood.
5. Clean the spark arrestor screen with a wire brush.
Replace it if it is damaged, or if you are unable to
clean it thoroughly.
6. Reinstall the spark arrestor screen snugly back into
the spark arrestor hood.
7. Reinstall the two hood tabs into the two muffler slots
and flip the spark arrestor hood closed.
8. Replace the screw you removed in Step 2 and tighten
it securely.
9. Reinstall the air filter/muffler cover.
Fig. 14
Fig. 15