MQ Power DCA300SSJU4F3 Operation Manual page 54

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. Next, remove oil drain cap (Figure 73)
4. Place the oil drain valve in the OPEN position and
allow the oil to drain into a suitable container.
DRAIN
VALVE
Figure 73. Draining Engine Oil
5. After engine oil has been completely drained, reinstall
oil drain cap and tighten securely.
6. Place the oil drain valve in the CLOSED position.
PAGE 54 — DCA300SSJU4F2/F3 60 HZ GENERATOR • OPERATION MANUAL — REV. #2 (04/18/22)
OIL DRAIN
CAP
(REMOVE)
OPEN
OIL
ENGINE OIL FILTER REPLACEMENT
1. Using an oil filter wrench (Figure 74), remove engine
oil filter.
REMOVE AND
DISCARD OIL FILTER
COAT RUBBER
SEAL WITH THIN
LAYER OF OIL
Figure 74. Engine Oil Filter Removal
2. Clean the area around the lubricating oil filter head.
3. Coat the rubber seal (gasket) surface of oil
filter (Figure 74) with clean 15W-40 engine oil.
4. Install 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 engine crankcase with high quality detergent oil
classified "For Service CI-4". Fill to the upper limit of
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