MQ Power WHISPERWATT DCA150SSJU4F2 Operation Manual page 54

DRAINING 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 71).
5. Place the oil drain valve in the OPEN position and
allow the oil to drain into a suitable container.
DRAIN
VALVE
Figure 71. Draining Engine Oil
6. After the engine oil has been completely drained,
reinstall the oil drain cap and tighten securely.
7. Place the oil drain valve in the CLOSED position.
PAGE 54 — DCA150SSJU4F2/F3 60 HZ GENERATOR • OPERATION MANUAL — REV. #0 (02/16/22)
OIL DRAIN
CAP
(REMOVE)
OPEN
OIL
ENGINE OIL FILTER REPLACEMENT
1. Using an oil filter wrench (Figure 72), remove the
engine oil filter.
REMOVE AND
DISCARD OIL FILTER
COAT RUBBER
SEAL WITH THIN
LAYER OF OIL
Figure 72. Engine Oil Filter Removal
2. Clean the area around the lubricating oil filter head.
3. Coat the rubber seal (gasket) surface of the new oil
filter (Figure 72) 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
OIL FILTER
HEAD
FILTER
WRENCH
INSTALL
NEW OIL
FILTER