Kohler 12RESL, Operation Manual, Page: 24 / 48

TP-6517 1/11 24 Section 3 Scheduled Maintenance, 12 kW Models
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
1.9 L (2.0 qt.). See Section 3.3.3, Engine Oil
Recommendation, for oil selection.
b. Reinstall the dipstick and the oil fill cap.
c. Check that the generator set master switch is in
the OFF position.
d. Reconnect the generator set engine starting
battery, negative (--) lead last.
e. Reconnect the power to the battery charger.
f. Start and run the generator set for a minute to
allow the oil pressure to reach the operating
range.
g. Stop the generator set, wait 1 minute, and then
recheck the oil level. Add oil to bring the level
up to the F mark on the dipstick.
4. Check for leaks.
a. Check for oil leaks.
b. Fix leaks and recheck the oil level.
c. Reinstall the housing side panel.
3.3.5 Oil Cooler
Inspect and clean the oil cooler at the intervals shown in
the Service Schedule. The oil cooler must be kept free
of debris.
See Figure 3-2 for the oil cooler location. Clean the
outside of the oil cooler with a brush or compressed air.
If it is necessary to clean the back of the oil cooler,
remove the two screws holding the oil cooler unit to the
blower hosing. Tilt the cooler and clean with a brush or
compressed air as shown in Figure 3-3. After cleaning,
reinstall the oil cooler and secure with the mounting
screws.
2
24 590 01--A
1. Oil filter
2. Oil cooler
1
Figure 3-2 Oil Cooler Location
24 590 01--A
Figure 3-3 Cleaning Oil Cooler