3-4
CHANGING ENGINE OIL AND OIL FILTER
WARNING
State and federal agencies have de-
termined that contact with used engine oil can
cause cancer or reproductive toxicity. Avoid
skin contact and breathing of vapors. Use rub-
ber gloves and wash exposed skin.
Refer to Table 3-1 for scheduled engine oil change.
Change oil more often in hot or dusty environments.
1. Place a pan underneath the oil drain hose and
filter (Figure 3-2). Run and then stop the engine
when it is warm.
WARNING
Crankcase pressure can blow
hot engine oil out the fill opening causing
severe burns. Always stop the genset be-
fore removing the oil fill cap.
2. Remove the oil fill cap, open the oil drain valve
(Figure 3-1), let all oil drain from the engine and
then close the drain valve.
3. High Pressure LPG Gensets: Drain the LPG
system of accumulated sludge by opening the
sludge drain valve (Figure 3-1). Oil-like sludge
can migrate from the LPG supply system during
operation, and if allowed to accumulate, can
cause hard starting and rough running. The
sludge drains out through the engine oil drain
hose. Make sure to re-close the valve to keep
out dust and to keep the engine running
smoothly.
4. Spin off the old oil filter and thoroughly wipe off
the filter mounting surface. Remove the old
gasket if it does not come off with the filter.
5. Apply a film of oil to the filter gasket and spin the
new filter on by hand until the gasket just
touches the mounting pad. Then turn it 1/2 to
3/4 turn—not more.
6. Refill with 2 quarts (1.8 l) of oil. See ENGINE
OIL RECOMMENDATIONS (Page 2-1). Check
and add or drain oil as necessary.
CAUTION
Too much oil can cause high oil
consumption. Too little oil can cause severe
engine damage. Keep the oil level between
the FULL and ADD marks.
OIL FILLS VERY SLOWLY. TAKE YOUR
TIME AND CHECK LEVEL OFTEN WHILE
FILLING. IT TAKES TIME FOR THE AIR IN
THE CRANKCASE TO ESCAPE AND AL-
LOW OIL TO ENTER.
7. Dispose of the used oil and oil filter in accor-
dance with local environmental regulations.
OIL FILTER OIL DRAIN
HOSE
FIGURE 3-2. OIL FILTER AND DRAIN HOSE—VIEW FROM BELOW OF FRONT EDGE OF GENSET
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