Lubrication System; Check Oil Level - Kohler command pro CH742 Service Manual

This engine uses a full pressure lubrication system which
delivers oil under pressure to crankshaft, camshaft,
connecting rod bearing surfaces, and hydraulic valve
lifters.
A high-effi ciency gerotor oil pump maintains high oil fl ow
and oil pressure, even at low speeds and high operating
temperatures. A pressure relief valve limits maximum
pressure of system. Closure plate must be removed to
service oil pickup, pressure relief valve, and oil pump.
Lubrication Components
A
A Dipstick
C Oil Fill Cap
E Oil Filter
G Back Side
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; 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 dipstick and tighten securely.
24 690 34 Rev. D
B
C
G
F
D
E
B Oil Sentry
D Oil Cooler
F Oil Drain Plug
KohlerEngines.com
CHANGE OIL AND FILTER
Change oil while engine is warm.
1. Clean area around oil fi ll cap/dipstick, drain plug/oil
drain valve.
a. Remove drain plug and oil fi ll cap/dipstick. Allow
oil to drain completely.
b. Open oil drain valve cap; if needed, attach a
length of 1/2 in. I.D. hose to direct oil into
appropriate container; twist valve drain body
counterclockwise and pull. Remove 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 off
mounting surface.
a. Reinstall drain plug. Torque to 13.6 N·m
(10 ft. lb. ).
b. Close oil drain valve body, remove hose (if used),
and replace cap.
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.
7. Reinstall oil fi ll cap/dipstick and tighten securely.
8. Start engine; check for oil leaks. Stop engine; correct
leaks. Recheck oil level.
9. Dispose of used oil and fi lter in accordance with
TM
local ordinances.
OIL COOLER (if equipped)
1. Clean fi ns with a brush or compressed air.
2. Remove screws securing oil cooler and tilt to clean
back side.
3. Reinstall oil cooler.

Lubrication System

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