Lubrication System
53
66 690 14 Rev. A
KohlerEngines.com
This engine uses a full pressure lubrication system. This system delivers oil under pressure to crankshaft, camshaft
and connecting rod bearing surfaces. In addition to lubricating bearing surfaces, lubrication system supplies oil to
hydraulic valve lifters.
A high-e
ffi
ciency gerotor pump is located in closure plate. Oil pump maintains high oil
fl
ow and oil pressure, even
at low speeds and high operating temperatures. A pressure relief valve in closure plate limits maximum pressure of
system.
Lubrication Components
A
C
B
D
D
E
E
C
B
A
Oil Sentry
™
B
Dipstick
C
Oil Fill Cap
D
Oil Filter
E
Oil Drain Plug
OIL RECOMMENDATIONS
Refer to Maintenance.
CHECK OIL LEVEL
NOTE: To prevent extensive engine wear or damage,
never run engine with oil level below or above
operating range indicator on dipstick.
Ensure engine is cool and level. Clean oil
fi
ll/dipstick
areas of any debris.
1. Remove dipstick; wipe oil o
ff
.
2. Reinsert dipstick into tube; press completely down.
3. Remove dipstick; check oil level. Level should be at
top of indicator on dipstick.
4. If oil is low on indicator, add oil up to top of indicator
mark.
5. Reinstall and secure dipstick.
CHANGE OIL AND FILTER
Change oil while engine is warm.
1. Clean area around oil
fi
ll cap/dipstick, drain plug/oil
drain valve. Remove drain plug and oil
fi
ll cap/
dipstick. Allow oil to drain completely.
2. Clean area around oil
fi
lter. Place a container under
fi
lter to catch any oil and remove
fi
lter. Wipe o
ff
mounting surface. Reinstall drain plug. Torque to
13.6 N·m (10 ft. lb.).
3. Place
new
fi
lter in shallow pan with open end up. Fill
with new oil until oil reaches bottom of threads. Allow
2 minutes for oil to be absorbed by
fi
lter material.
4. Apply a thin
fi
lm of clean oil to rubber gasket on new
fi
lter.
5. Refer to instructions on oil
fi
lter for proper
installation.
6. Fill crankcase with new oil. Level should be at top of
indicator on dipstick.
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