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PRIMARY MAINTENANCE
Generalty_ wash foam-type filters
in a dlshwashtng detergent end
water solutlon_ Rinse and wring
dry, then saturate with oil and
squeeze out excess. Failure to
re-oil this type filter will ruin the
engine.
Clean paper elements by tapping
lightly. Blowing with air will
rupture paper elements=
Use s flashlight to detect clogged
or torn paper elements - replace if
damaged In any way.
Air is else needed to keep
your engine cool Dirt, dust
& debris build up to restrict
and clog cooling air intake
sc_--ens 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
Lunder drf_ dusty conditions
tfora thorough cleaning of
fins.
Failure to keep external
surfaces clean not only
presents fire hazards, but
causes overheating and
resuiUng engine damages
such as:
% distorted valve guides
2. sticking valves
_.3. scuffed,
4. waits
overspeedlng
5. toss of power
6. complete falture of
engine,
Dirt can also be introduced
fnto 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
storage and forms
,compounds which
will block carburetor pass-
ages. Never use fsel 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_cyole engines,
CHECK OIL LEVEL BEFORE EACH START-UP.
Wipe area cleon around the oil 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 surtace_
On engines with dipstick, keep the level up to,
but not over, the FULL mark. When adding o11,
allow time for all of the oil to flow down the fill
tube to prevent a false fult reading when the
level could sctually be low and result In engine
damage.
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