Oil Cooler, 20Res/Resl; Spark Plugs - Kohler 14RES Manual

2.2.6

Oil Cooler, 20RES/RESL

Inspect and clean the oil cooler at the intervals indicated
in the service schedule. The oil cooler must be kept free
of debris.
Remove the front enclosure panel to access the oil
cooler. See Section 6.2 for instructions to remove the
front panel.
See Figure 2-6 for the oil cooler location. The oil cooler
is located under the No. 2 cylinder shroud. Remove the
top mounting screw and loosen the two side screws,
then lift off the cylinder shroud. Clean the outside of the
oil cooler fins with a brush or with compressed air.
1. Oil cooler
Figure 2-6 Oil Cooler Location, 20RES/RESL
TP-6735 7/17

2.3 Spark Plugs

Reset the spark plug gap or replace the plugs with new
plugs as necessary.
Figure 2-7 Checking the Spark Plug Gap
1
62 590 01
Figure 2-8 Adjusting the Spark Plug Gap
1. Clean the area around the base of the spark plug to
keep dirt and debris out of the engine.
2. Remove the spark plug and check its condition.
Replace the spark plug if it is worn or if its reuse is
questionable.
3. Check the spark plug gap using a wire feeler
gauge. Adjust the gap to 0.76 mm (0.030 in.) by
carefully bending the ground electrode.
Figure 2-7 and Figure 2-8.
4. Reinstall the spark plug into the cylinder head.
Torque the spark
(18--22 ft. lb.)
Section 2 Scheduled Maintenance
See
plug to 24.4--29.8 Nm
1--514
1--511
21