Sears 917.255741 - Manual (Page 16)

3. CLEAN ENGINE COOLING FINS
Keep Engine Cooling Fins free of dust, dirt and oil to pre­
vent Engine damage from overheating.
a.
Snap Cover off Air Cleaner {Fig. 29). Remove Hex
Head Screw from inside Air Cleaner. Remove two
Slotted Head Screws from rear of Air Cleaner. Pull Air
Cleaner off.
b. Remove two Hex Head Screws from front of Blower
Housing. Remove two Hex Head Screws from side of
Blower Housing.
c. Pull Blower Housing off.
Cylinder Head Cover may also be removed. Clean Engine
Cooling Fins with a stiff bristled brush or compressed
air.
A
WEAR SAFETY GLASSES IF USING COM­
PRESSED AIR,
d. To reassemble, reverse above procedure.
NOTE; PRESS BREATHER TUBE INTO BOTTOM OF
AIR CLEANER (FIG. 29).
4. MUFFLER
Do not operate the tractor without a Muffler or tamper
with the exhaust system.
DO NOT TOUCH HOT MUFFLER, CY­
LINDER OR FINS AS CONTACT MAY
CAUSE BURNS.
FIGURE 29
Periodically clean the muffler area to prevent grass, dirt
and combustible material from accumulating, Damaged
Mufflers or spark arresters couid create a fire hazard. In
spect periodically and replace if necessary, If your engine
is equipped with a spark arrester screen assembly, remove
every 50 hours for cleaning and inspection. Replace if
damaged.
FIGURE 30
i V f R Y m® HOURS
1. REPLACE SPARK PLUG
Change the spark plug after every 100 hours of operation
or at the beginning of each mowing season. A Deep Well
13/16" socket is required to remove the Spark Plug. Set
the Spark Plug gap at „030 inch (Fig. 30).
2. REPLACE AIR CLEANER ELEMENT
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