9
Check Oil Level
The importance of checking and maintaining
the proper oil level in the crankcase cannot be
overemphasized. Check oil BEFORE EACH USE as
follows:
1. Make sure the engine is stopped, level, and is cool
so the oil has had time to drain into the sump.
2. To keep dirt, debris, etc., out of the engine, clean
the area around the dipstick before removing it.
3. Remove the dipstick; wipe oil off . Reinsert the
dipstick into the tube and press all the way down.
4. Remove the dipstick and check the oil level.
The oil level should be up to, but not over, the F
mark on the dipstick. See Figure 6.
F Mark
Operating
Range
Figure 6. Oil Level Dipstick.
5. If the level is low, add oil of the proper type, up to
the F mark on the dipstick. (Refer to Oil Type on
page 4.) Always check the level with the dipstick
before adding more oil.
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
mark or over the F mark on the dipstick.
Oil Sentry
™
Some engines are equipped with an optional Oil
Sentry™ switch. This switch is designed to prevent the
engine from starting in a low oil or no oil condition.
The Oil Sentry™ may not shut down a running
engine before damage occurs. In some applications
this switch may activate a warning signal. Read your
equipment manuals for more information.
NOTE: Make sure the oil level is checked BEFORE
EACH USE and is maintained up to the F
mark on the dipstick. This includes engines
equipped with Oil Sentry
™
.
Change Oil and Oil Filter
Change Oil
Change oil a er every 100 hours of operation. Refi ll
with service class SG, SH, SJ or higher oil as specifi ed
in the Viscosity Grades table (Figure 2) on page 4.
Change the oil while the engine is still warm. The oil
will fl ow more freely and carry away more impurities.
Make sure the engine is level when fi lling, checking,
and changing the oil.
Change the oil as follows (see Figure 7):
1. To keep dirt, debris, etc., out of the engine, clean
the area around the oil fi ll cap/dipstick before
removing it.
2. Remove one of the oil drain plugs, oil fi ll cap,
and dipstick. Be sure to allow ample time for
complete drainage.
3. Reinstall the drain plug. Make sure it is tightened
to 13.6 N·m (10 . lb.) torque.
4. Fill the crankcase, with new oil of the proper
type, to the F mark on the dipstick. Refer to Oil
Type on page 4. Always check the level with the
dipstick before adding more oil.
5. Reinstall the oil fi ll cap and tighten securely.
Reinstall dipstick.
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
mark or over the F mark on the dipstick.
Oil Filter
Engine Oil Drain Plug
Figure 7. Oil Drain Plug and Oil Filter.
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