Advertisement
Available languages
Available languages
Engine Maintenance
Check Engine0il
•
Remove oil fill dipstick.
•
Check oil level on dipstick. Level should be at
FULL mark.
•
Replace dipstick and tighten.
Changing Engine0il
•
Only use high quality detergent oil rated with API
service classification SF, SG, or SH. Select the
oil's SAE viscosity grade according to the
expected operating temperature. Refer to
operation section for viscositychart.
•
Stop engine and wait several minutes before
checking oil level. With engine on level ground,
the oil must be to FULL mark on dipstick.
•
Change engine oil after the first five hours of
operation, and every 50 hours thereafter. Change
oil every 25 hours of operation ifthe engine is
operated under heavy load or in high ambient
temperatures.
To Drain 0il
Drain oilwhile engine is warm. Followthe instructions
given below.
•
Remove oil drain plug and fill dipstick.Catch oil in
a suitable container.
•
When engine is drained of all oil, replace drain
plug securely.
•
Refill with fresh oil, using the recommended
grade.
•
Replace dipstick.
ServiceAir Cleaner
The air cleaner prevents damaging dirt, dust, etc.,
from entering the carburetor and being forced intothe
engine and is important to engine life and
performance. The air cleaner consistsof a paper pre-
cleaner and a foam filter cartridge.
WARNING:
Never run the engine without
an air cleaner completely
assembled.
Replace paper pre-cleaner once a year or every
100 operating hours. Replace more frequently if
operating under dusty conditions. Replacement
filters are available at any Sears Service Center.
NOTE: Do not attempt
to clean or oil the paper
pre-
cleaner
element.
•
Service cartridge every 3 months or every 25
operating hours. Service cartridge more often
under dusty conditions.
To ServiceFoamCartridge
•
Loosen air cleaner cover screws, but do not
remove screw from cover. Swing cover down to
remove from hinge.
•
Inspect filter for discoloration or dirt
accumulation. If either is present, proceed as
follows:
•
Clean inside of body and cover thoroughly.
•
Remove foam cartridge and wash in liquid
detergent and water. Squeeze dry in a clean
cloth and saturate in engine oil. Squeeze (don't
twist) in a clean absorbent cloth to remove all
excess oil.
•
Reassemble foam cartridge and paper pre-
cleaner in the body. Swing cover down and
tighten the two screws loosened earlier.
WARNING: Temperature
of muffler and
nearby areas may exceed 150° F(65°C).
Avoid these areas.
Service SparkPlug
•
Clean the spark plug and reset the gap to .030" at
least once a season or every 50 hours of
operation. See Figure 9.
•
Clean area around spark plug. Remove and
inspect spark plug.
•
Replace if electrodes are pitted, burned or the
porcelain is cracked.
•
Check electrode gap with wire feeler gauge and
reset gap to .030 inches.
NOTE:
Do not sandblast
spark
plug.
Spark
plug
should
be cleaned
by scraping
or wire brushing
and
washing
with a commercial
solvent.
.030" Feeler Gau
Figure 9
Clean Engine
•
Clean engine periodically, by removing dirt and
debris with a cloth or brush.
NOTE: Cleanig with a forceful spray of water is not
recommended
as water could contaminate the fuel
system.
•
To ensure smooth operation of the engine, keep
the governor linkage, springs, and controls free
of debris.
•
Every 100 hours of operation, remove
combustion deposits from top of cylinder, cylinder
head, top of piston, and around valves.
11
Advertisement
