Oil Change Procedure - Kohler 6VSG Operation Manual

4.2.4

Oil Change Procedure

Note:
Drain the oil while it is still warm. Dispose of all waste materials (engine oil, fuel, filter, etc.) in an environmentally safe manner.
1. Drain the oil.
a. Press the OFF button on the generator set controller.
b. Disconnect the AC power to the generator set.
c. Disconnect the generator set engine starting battery, negative (–) lead first.
d. Open the housing service door and remove roof panel.
e. Clean the area around the dipstick and oil fill cap.
f. Close the valve between the oil drain valve tee and the sight gauge for the oil makeup kit (if equipped). See
the Service Views for the valve location. It is not necessary to drain the oil from the oil makeup kit.
g. Remove the screw in plug on drain fitting in skid rail.
h. Open the oil drain valve on the engine.
i. Remove the dipstick and oil fill cap. Allow time for the engine oil to drain completely.
j. Close the oil drain valve. Replace the cap in skid rail.
k. Replace the dipstick.
2. Replace the oil filter.
a. Clean the area around the oil filter. Remove the oil filter by rotating it counterclockwise with an oil filter wrench.
b. Clean the gasket sealing surface of the oil filter adapter.
c. Apply a light coat of clean oil to the rubber seal of the new oil filter.
d. Install the new Kohler PRO extended life oil filter (25 050 53) following the instructions provided with the filter.
3. Fill with oil.
a. Fill the engine to the F mark on the dipstick. The engine oil capacity is shown in Figure 40. See the Engine Oil
Recommendation section, for oil selection.
Generator Set Model
6VSG
Figure 40 Engine Oil Capacity
b. Open the valve between the oil drain valve tee and the sight gauge for the oil makeup kit (if equipped).
c. Check the dipstick to confirm the oil level. Then reinstall the dipstick and the oil fill cap.
d. Reconnect the generator set engine starting battery, negative (–) lead last.
e. Reconnect the AC power to the generator set.
f. Press the RUN button on the generator set controller. The generator set will start.
g. Run the generator set for a minute to allow the oil pressure to reach operating range.
h. 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 roof panel and close service door.
5. Reset the maintenance timer on the controller.
56
Oil Capacity, L (qt.)
1.9 (2.0)
TP-6843 12/21