DCA400SSI4F/DCA400SSI4F3 60 HZ GENERATOR • OPERATION MANUAL — REV. #3 (04/18/22) — PAGE 53
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 the
oil drain cap
4. Place the
oil drain valve
in the
OPEN
position and
allow the oil to drain into a suitable container.
Figure 71. 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.
ENGINE OIL FILTER REPLACEMENT
1. Clean the area around the lubricating oil filter head.
2. Using an oil filter wrench (Figure 72), remove the
engine oil filter.
Figure 72. Engine Oil Filter Removal
3. Coat the rubber seal (gasket) surface of oil
filter (Figure 72) with clean 15W-40 engine oil.
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 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.
7. Repeat procedure for the bypass oil filter.
COAT RUBBER
SEAL WITH THIN
LAYER OF OIL
REMOVE AND
DISCARD OIL FILTER
FILTER
WRENCH
INSTALL
NEW OIL
FILTER
OIL FILTER
HEAD
MAIN FILTER
BYPASS
OIL
FILTER
BYPASS
OIL
FILTER
MAINTENANCE