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PRIMARY MAINTENANCE
Air Is also needed to keep
your engine coot. Dirt, dust
& debris build up to restrict
and clog cooling air Intake
screens and fins. Clean
screens and fins at frequent
Intervals. The engine blower
housing and shrouds should
be removed at least once
each season or more often
under dry, dusty conditions
for a thorough cleaning of
/h
J) fins.
Generally, wash foam-type filters _
In a dlshwashlng detergent and I_-'_3 1 P Failure to keep external
water solution. Rinse and wring ( . '_ surfaces clean not only
dry, then saturate with oll and _ j presents fire hazards, but
squeeze out excess. Failure to "_,_// causes overheating and
re-oil this type _ter will ruin the _ resulting engine damages
engine. /f/_l_ SUChas:
V// I _\ \_ 1. distorted valve guides
Clean paper elements by tapplng ,._ _L_ \o 2. aticklngvalves
lightly. Blowlngwlthalrwlll ,r(_ T_, _ J o..3. scuffad, ecoredcyl
rupture paper elements, i_._._"_-:_ _,_ walls
_::_'_'___ __._ Oj_ 4. overspesdlng
Use a flashlight to detect clogged _@I_'._L--_.._ _'-_ r_ / 5. loss of power .
or torn paper elements - replace If I _ _ uLv'v':_I b. complete lailure or
damaged In any way. __ /_ engine.
Dirt can also be introduced
into an engine In dirty fuel
from a contaminated
container. Always use clean
fresh fuel from a clean
container to guard against
dirt, sludge and water
contamination.
Be aware that fuel breaks
down In storage and forms
will block carburetor pass-
ages. Never use fuel more
than 3 months old. Drain
tank then run the engine out
of fuel before storing during
the off-season.
An engine must also have proper lubrication.
All engines use some oil On 4-cycle engines,
CHECK OIL LEVEL BEFORE EACH START-UP.
Wipe area clean around the oll check plug or
dipstick opening to keep dirt from falling Into
the engine when checking the oil Always
check with the machine on a level surface.
On engines with dipstick, keep the level up to,
but not over, the FULL mark. When adding oil,
allow time for all of the oll to flow down the fill
tube to prevent a false full reading when the
level could actually be low and result In engine
damage.
31
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