Lubrication System; Oil Check; Engine Oil Recommendation; Oil Change Procedure - Kohler COM7.5 Service Manual

2.3 Lubrication System

See the service schedule in Section 2.2 for oil change
and oil filter replacement intervals. See the Service
Views in Section 1.4 for the oil drain, oil check, oil fill, and
oil filter locations. The list of routine service parts in the
Introduction of this manual shows the oil filter part
number.
6

1. Oil check

5
2. Oil fill
3. Oil Cooler
4. Oil drain valve
5. Oil drain hose
6. Oil filter
Figure 2-2 Lubrication System
2.3.1 Oil Check
Before operating a new generator set, check the engine
oil in the crankcase. See Figure 2-2. Verify that the oil
level is at the F mark on the dipstick. See Section 2.3.2
for engine oil recommendations.
Do not check the oil level when operating the generator
set. To obtain the most accurate oil level reading, shut
down the generator set and wait several minutes before
checking the oil .
2.3.2

Engine Oil Recommendation

Kohler Co. recommends API (American Petroleum
Institute) Service Class SF, SG, or SH 5W-30 synthetic
oil. Synthetic oil oxidizes and thickens less than other
oils and leaves fewer deposits on the engine intake
valves and pistons.
TP-6120 5/02
1
2
3
GM19293B
4
2.3.3

Oil Change Procedure

Allow the oil to cool to a safe temperature before
changing. See Figure 2-2.for the oil drain plug, filter,
and fill tube locations.
1. Drain the oil.
a. Place an oil collection container below the oil
drain and remove the oil drain plug.
b. Allow the engine oil to drain completely.
c. Replace the oil drain plug.
2. Replace the oil filter.
a. Place an oil collection container below the oil
filter.
b. Remove the
counterclockwise with an oil filter wrench.
c. Clean the gasket sealing surface of the oil filter
adapter.
d. Apply a light coat of clean oil to the rubber seal
of the new oil filter.
e. Install the new oil filter following the instructions
provided with the filter. Hand-tighten the filter.
Note: Dispose of all waste materials (engine
oil, fuel, filter, etc.) in an environmentally
safe manner.
3. Fill with oil.
a. Remove the oil fill cap and fill the engine to the F
mark on the dipstick. The engine oil capacity is
2.0 L (2.1 qt.).
selection.
b. Reinstall the dipstick and the oil fill cap.
4. Check for leaks.
a. Start and run the generator set to allow the oil
pressure to reach the operating range.
b. Check for oil leaks around the oil filter and oil
drain plug.
c. Stop the generator set and recheck the oil level.
Tighten the oil filter to stop any leaks. Add oil to
bring the level up to the F mark on the dipstick.
5. Move the generator set master switch to the AUTO
or center position to return the unit to standby
service.
Section 2 Scheduled Maintenance
oil filter by rotating
See Section 2.3.2 for oil
it
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