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21se c t i O n 10 — en g i n e Ma i n t e n a n c e
Oil Service
Check oil level regularly.•
Be sure correct oil level is maintained. Check every five •
hours or daily before starting engine. See oil checking
procedure in the Operation section.
Oil Change
IMPORTANT: Be sure to check engine on a level surface with the
engine stopped. Drain the oil while the engine is still warm to
assure rapid and complete draining.
Remove all fuel from tank by running engine until it stops 1.
from lack of fuel.
Remove vacuum hose assembly.2.
Remove oil fill cap. See Fig. 10-1A.3.
Tip unit to the right and allow oil to drain out of oil filler 4.
tube into a suitable pan or container.
Before tipping engine or equipment to
drain oil, drain fuel from tank by running engine
until fuel tank is empty.
Refill with the recommended oil (see Operation section) 5.
and check the oil level. See Fig. 10-1B.
Reinstall the oil fill cap securely.6.
Reinstall vacuum hose assembly.7.
IMPORTANT: Used motor oil may cause skin cancer if repeatedly
left in contact with the skin for prolonged periods. Although this
is unlikely unless you handle used oil on a daily basis, it is still
advisable to thoroughly wash your hands with soap and water as
soon as possible after handling used oil.
NOTE: Please dispose of used motor oil in a manner that is
compatible with the environment. We suggest you take it in a
sealed container to your local service station for reclamation. Do
not throw it in the trash or pour it on the ground.
A
B
Air Cleaner Service
Paper filters cannot be cleaned and must be replaced once a year
or every 100 operating hours; more often if used in extremely
dusty conditions.
Never use gasoline or low flash point
solvents for cleaning the air cleaner element. A fire
or explosion could result.
IMPORTANT: Never run the engine without the air cleaner. Rapid
engine wear will result.
Remove the wing bolt and the air cleaner cover. Remove 1.
the elements and separate them. See Fig. 10-2. Replace
paper element when dirty or damaged. Clean foam
element or replace when damaged.
To clean foam element, separate it from the paper element 2.
and wash in liquid detergent and water. Allow to dry
thoroughly before using. Do not oil the foam element.