Full Product Manual
72 TP-7092 4/23
f. Remove the oil drain hose from its retaining clip. Remove the cap from the oil drain hose and lower the hose
into an oil collection container.
g. Open the oil drain valve on the engine.
h. Remove the dipstick and oil fill cap. Allow time for the engine oil to drain completely.
i. Close the oil drain valve. Replace the cap on the oil drain hose. Replace the oil drain hose in its retaining clip.
j. Replace the dipstick.
2. Replace the oil filter.
a. Clean the area around the oil filter.
b. Loosen the oil filter by rotating it counterclockwise with an oil filter wrench. On 20 and 26 kW models, allow
the oil to drain from the filter. Then remove the oil filter.
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.
3. Fill with oil.
Note:
When the oil is drained, some oil remains in the engine. The amount of oil needed to refill the engine may be less than
the capacity shown in Figure 55. Use the dipstick shown in the figure titled: Oil Check (typical) to check the oil level
during the fill. Do not fill past the full mark on the dipstick.
Note:
See the Engine Oil Recommendation section for the recommended oil type.
Generator Set Model
Oil Capacity, L (qt.)
14 kW
1.8 (1.9)
20/26 kW
1.9 (2.0)
Figure 55 Engine Oil Capacity
a. Add oil through the oil fill port; see Figure 56.
b. Use the dipstick to check the oil level before starting to add the final quart of oil. Fill the engine to the F mark
on the dipstick.
c. Reinstall the dipstick and the oil fill cap.
d. Reconnect the generator set engine starting battery, negative (–) lead last.
e. Reconnect the utility 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.