MQ Power WHISPERWATT Series Operation Manual page 42

DRAINING ENGINE OIL
1. Run the engine until the engine coolant reaches a
temperature of 140°F (60°C). Turn the engine off.
2. Remove the oil dipstick from its holder.
3. Remove the oil drain cap (Figure 63).
4. Place the oil drain valve in the OPEN position and
allow the oil to drain into a suitable container.
OIL
DRAIN
VALVE
OPEN
OIL DRAIN
CAP
(REMOVE)
Figure 63. Draining Engine Oil
5. After the engine oil has been completely drained,
reinstall the oil drain cap and tighten securely.
6. Place the oil drain valve in the CLOSED position.
PAGE 42 — DCA40SSKU4F2 60 HZ GENERATOR • OPERATION MANUAL — REV. #2 (08/30/22)
ENGINE OIL FILTER REPLACEMENT
1. Clean the area around the lubricating oil filter head.
2. Using an oil filter wrench (Figure 64), remove the
engine oil filter.
T T
W A
E R
I S P
W H
OIL
COAT SEAL
WITH THIN
LAYER OF OIL
3. Coat the rubber seal (gasket) surface of the oil
filter (Figure 64) with clean 15W-40 engine oil.
4. Install the new oil filter first by hand until it makes
contact with the filter head surface. Tighten it another
3/4 turn using the 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. Reference Table 2 for
engine crankcase 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
4 0
RUBBER
OIL FILTER
SEAL
WRENCH
ENGINE
OIL FILTER
CARTRIDGE
Figure 64. Oil Filter Removal