6.2
Section 6
Lubrication System
Operating
Range
Full Mark
Low Mark
NOTE: To prevent extensive engine wear or damage,
always maintain the proper oil level in the
crankcase. Never operate the engine with the
oil level below the "L" or LOW mark, or over
the FULL mark on the dipstick.
Oil Change
Oil can be changed on this engine by either draining it
from the dipstick tube, or from the drain plug. Change
ȱȱĞȱȱęȱȱȱęȱȱȱ.
Ğȱǰȱȱȱȱyearly or every 50 hours of
ǯȱęȱȱȱȱęȱȱȱ¢ȱ
Grades Table, Figure 6-1.
Change the oil while the engine is still warm. The oil
ȱĚȱȱ¢ȱȱ¢ȱ¢ȱȱǯȱ
Drain Oil from Dipstick Tube
Change the oil as follows:
1. To keep dirt, grass clippings, and other debris out
ȱȱǰȱȱȱȱȱȱȱęȱ
Ȧǰȱȱȱȱǯ
2. Tilt the engine on its side with the air cleaner
ȱǯȱȱȱŜȬśǯȱȱȱȱȱ
approved container.
ȱ řǯȱ Ğȱȱȱȱ¢ȱǰȱȱȱ
engine back to level.
4. Fill the crankcase with new oil of the proper type
to the FULL mark on the dipstick. See Figure
6-4. Always check the oil level with the dipstick
ȱȱȱǯȱȱȱȱȱȱ
in when checking oil level.
5. Test run the engine to check for leaks. Stop the
engine, allow a minute for the oil to drain down
and recheck the level on the dipstick. Add more
oil, if necessary, so the oil level is up to but not
over the FULL mark.
ȱ Ŝǯȱ ȱȱȱęȱȦȱȱȱ
securely.
Drain Oil Via Crankcase Plug (If Accessible)
ȱ ŗǯȱ ȱȱȱ¢ȱȱȱȱ
plug.
ȱ Řǯȱ ȱȱȱęȱȦǯ
ȱ řǯȱ ȱȱȱȱȱȱĴȱȱȱ
engine and drain oil into an approved container.
See Figure 6-6.
Figure 6-5. Tilted Engine With Air Cleaner Up.
Air Cleaner
Oil Flow
Up
Crankcase Plug
4. Apply thread sealant around three full threads
of the drain plug. Clean up any excess sealant
on the inside or outside of the joint. Threads
with pre-applied sealant do not require the use
of additional sealant. Approved sealants include
ȬȱȱŗśŖǰȱȬȱȱŗŗśǰȱȬ
ȱȱŗŘŖǰȱȬȱȱŗŘŜǯȱ
ȱ śǯȱ ȱȱȱȱȱȱȱ13.6 N·m
(120 in. lb.).
Figure 6-4. Dipstick.
Figure 6-6. Crankcase Plug.
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