Bolens 120-270A - Manual (Page 12)

FIGURE 19.
AIR CLEANER
CLEAN AIR CLEANER and re-oil element every 25
hours under normal conditions. Clean every few
hours under extremely dusty conditions. Poor
engine performance and flooding usually in­
dicates that the air cleaner should be serviced.
See figure 20.
1. Remove screw.
2. Remove air cleaner carefully to prevent dirt
from entering carburetor.
3. Take air cleaner apart and clean.
a. WASH foam element in kerosene or a li­
quid detergent and water to remove dirt.
b. DRY foam completely by wrapping and
squeezing in a cloth.
c. SOAK foam with engine oil. Squeeze to
distribute and remove excess oil.
4. Reassemble parts and fasten to carburetor.
Foam
Element
A
FIGURE 20.
SPARK PLUG
The spark plug gap should be cleaned (see figure
21) and reset to a 0.030-inch clearance once a
season (see figure 22). Spark plug replacement is
recommended at the start of each mowing
season; check engine parts list for correct plug
type.
—
■
^
Clean
Electrode
FIGURE 21.
Spark
Plug
FIGURE 22.
NOTE
Whenever the spark plug is removed
for cleaning, it is advisable to
replace the spark plug gasket with a
new gasket.
To insure safe operation of your unit, all nuts and
bolts must be checked periodically for correct
tightness.
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