Lubrication System; Check Oil Level; Change Oil - Kohler RH255 Service Manual

These engines use a splash lubrication system, supplying necessary lubrication to crankshaft, camshaft, connecting
rod and valve train components.
Lubrication Components
A
C
A Dipstick/Oil Fill 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. Clean oil fi ll/dipstick areas of any
debris.
1. Remove dipstick; wipe oil off.
2. Reinsert dipstick into tube; rest on oil fi ll neck; turn
counterclockwise until cap drops down to lowest
point of thread leads; do not thread cap onto tube.
a. Remove dipstick; check oil level. Level should be
at top of indicator on dipstick.
b. Remove oil fi ll plug. Level should be up to point of
overfl owing fi ller neck.
3. If oil is low, add oil up to point of overfl owing fi ller
neck.
4. Reinstall dipstick or oil fi ll plug and tighten securely.
18 690 06 Rev. --
B
or
KohlerEngines.com
Oil Fill Plug (Optional)

CHANGE OIL

Change oil while engine is warm.
1. Clean area around oil fi ll plug/dipstick and drain
plug.
2. Remove drain plug and oil fi ll plug/dipstick. Drain oil
completely.
3. Reinstall drain plug. Torque 18 N·m (13 ft. lb.).
4. Fill crankcase with new oil, up to point of overfl owing
fi ller neck.
5. Reinstall oil fi ll plug/dipstick and tighten securely.
6. Dispose of used oil in accordance with local
ordinances.
OIL SENTRY (if equipped)
™
This switch is designed to prevent engine from starting
in a low oil or no oil condition. Oil Sentry
down a running engine before damage occurs. In some
applications this switch may activate a warning signal.
Read your equipment manuals for more information.

Lubrication System

B
C
C Oil Drain Plug
™
may not shut
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