MAINTENANCE AND REPAIR INSTRUCTIONS
AIR FILTER MAINTENANCE
6.
Replace the air filter inside the air filter/muffler cover (Fig. 25).
Removing the Air Filter/Muffler Cover
NOTE:
Operating the unit without the air filter and air
filter/muffler cover assembly will VOID the warranty.
WARNING: To avoid serious personal injury,
always turn your unit off and allow it to cool before
you clean or service it.
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
1.
2.
Remove the four (4) screws securing the air filter/muffler
cover (Fig. 24). Use a flat blade or T20 Torx bit screwdriver.
Pull the cover from the engine. Do not force.
cover (Fig. 24) and tighten. Do not over tighten.
SPARK ARRESTOR MAINTENANCE
1.
Remove air filter/muffler cover. Refer to Removing the Air
Blue Choke
Lever
Filter/Muffler Cover.
2.
Locate the muffler, but do not remove it. Find the screw on
the bottom of the muffler (Fig. 29). 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.
Screws
Screws
4.
5.
Using a small flat blade screwdriver, carefully pry the spark
arrestor screen out from the inside of the spark arrestor
hood.
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.
7.
8.
9.
Reinstall the spark arrestor screen snugly back into the
spark arrestor hood.
Fig. 24
Reinstall the two hood tabs into the two muffler slots and
flip the spark arrestor hood closed.
Replace the screw you removed in Step 2 and tighten it
securely.
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.
Reinstall the air filter/muffler cover.
1.
2.
3.
Remove air filter/muffler cover. Refer to Removing the Air
WARNING: If the spark arrestor hood and spark
arrestor screen are not tightened securely, they could
fall off causing damage to the unit and possible
serious personal injury.
Filter/Muffler Cover.
Turn cover over and look inside to locate the air filter. Remove
the air filter from inside the air filter/muffler cover (Fig. 25).
Wash the filter in detergent and water (Fig. 26). Rinse the
filter thoroughly. Squeeze out excess water. Allow it to dry
completely.
Apply enough clean SAE 30 oil to lightly coat the filter (Fig. 27).
Squeeze the filter to spread and remove excess oil (Fig. 28).
Engine
Spark Arrestor
Hood
4.
5.
Slots
Screw
Air Filter
Spark Arrestor
Screen
Muffler
Tabs
Inside Muffler
Cover
Fig. 25
Fig. 29
Fig. 26
Fig. 27
Fig. 28
11
| Categories | Lawn Mower Manual, MTD Lawn Mower Manuals, Troy-Bilt Lawn Mower Manuals |
|---|---|
| Tags | MTD TB20DC, Troy-Bilt TB20DC |
| Download File |
|
| Document Type | Owner's Manual |
| Language | English |
| Product Brand | MTD, Lawn Mower |
| Product Type | Walk Behind Mower |
| Document File Type | |
| Publisher | mtdproducts.com |
| Wikipedia's Page | MTD Products |
| Copyright | Attribution Non-commercial |
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