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Page 12 Four-Cycle Engine • Horizontal Crankshaft • Air-Cooled 181-1032-14
II. Servicing Paper Filters
Paper filters cannot be cleaned and must be replaced once
a year or every 100 operating hours; more often if used in
extremely dusty conditions. Replacement filters are
available at a Authorized Tecumseh Servicing Dealer.
NOTE
DO NOT put oil on or clean a paper filter.
III. Removal and Installation of Air Filters
1. Remove wing nut and cover. See Figure 25.
2. Remove optional foam pre-filter, if present from cover.
3. Remove paper element from base.
4. Clean inside of base and cover thoroughly.
5. Install paper element into base.
6. Install foam pre-filter, if present into cover.
7. Install cover on base.
8. Install wing nut and tighten securely.
E. Anti-Icing Baffle
Some engines may be equipped with an anti-icing air
cleaner baffle that prevents ice from forming in the
carburetor when the engine is run at temperatures below
32°F (0°C).
Engines equipped with the baffle will have an opening
which draws warm air from the muffler into the air cleaner
housing. To work effectively, it is necessary for the baffle to
block cold air from entering the air cleaner.
At temperatures of 32°F (0°C) and Below
1. Remove wing nut from air cleaner cover. See Figure 25.
2. Remove air cleaner cover from base.
3. Remove red baffle from inside of air cleaner cover.
4. Insert red baffle in “WINTER” position shown.
5. Install air cleaner cover onto base.
6. Install wing nut and tighten securely.
At temperatures above 32°F (0°C)
1. Remove wing nut from air cleaner cover. See Figure 25.
2. Remove air cleaner cover from base.
3. Remove red baffle from inside of air cleaner cover.
4. Insert red baffle in “SUMMER” position shown.
5. Install air cleaner cover onto base.
6. Install wing nut and tighten securely.
Figure 25. Air Cleaner and Optional Anti-Icing Baffle
1. Red Baffle
2. Baffle Summer Position
3. Baffle Winter Position
4. Base
5. Paper Element
6. Foam Pre-Filter (Optional)
7. Cover
8. Wing Nut
1
4
5
6
3
7
8
2
POSITION “
W
”
FOR WINTER
BELOW 32°F (0°C)
POSITION
“
S
”FOR SUMMER
ABOVE 32°F (0°C)
COLD WEATHER
BAFFLE