MQ Power WHISPERWATT DCA25SSIU4FC8 Operation Manual page 43

DRAINING THE ENGINE OIL
1. Run the engine until the engine coolant reaches a
temperature of 140°F (60°C).
2. Turn the engine OFF.
3. Remove the oil dipstick from its holder.
4. Remove the oil drain cap (Figure 69).
OIL
DRAIN
VALVE
OPEN
OIL DRAIN
CAP
(REMOVE)
Figure 69. Draining Engine Oil
5. Place the oil drain valve in the open position
(Figure 69) and allow the oil to drain into a suitable
container.
6. After the engine oil has completely drained, reinstall
the oil drain cap and tighten securely.
7. Place the oil drain valve in the closed position.
DCA25SSIU4FC8 60 HZ GENERATOR • OPERATION MANUAL — REV. #0 (08/23/22) — PAGE 43
ENGINE OIL FILTER REPLACEMENT
1. Clean the area around the oil filter head.
2. Using an oil filter wrench (Figure 70), remove the
engine oil filter.
T T
W A
E R
I S P
W H
COAT SEAL
WITH THIN
LAYER OF OIL
3. Coat the rubber seal (gasket) surface of the new oil
filter with clean 15W-40 engine oil (Figure 70).
4. Install the new oil filter (main) first by hand until it makes
contact with the filter head surface. Tighten it another
3/4 turn using a filter wrench.
5. Fill the engine crankcase with high-quality detergent
oil classified "For Service CI-4." Fill to the upper limit
of the dipstick. DO NOT overfill. Refer to Table 2 for
engine oil capacity.
6. Run the engine for several minutes. Watch for oil
leakage. Shut the engine down and allow it to sit for
several minutes. Top off the oil to the upper limit on
the dipstick.
MAINTENANCE
2 5
RUBBER
SEAL
OIL
ENGINE
OIL FILTER
CARTRIDGE
Figure 70. Oil Filter Replacement
OIL FILTER
WRENCH