12
Improved hi temp deposit control (1.5X deter-
gents = 25% improvement)
It is noted that the GF-4 oils are also “backward
compatible” and are equal or better than previous
grades of oil in all aspects.
OEM’s may opt for higher viscosity oils based on
their application experience however GF-4 oils
may not be available in these viscosity ranges. In
this case it is recommended the OEM utilize high
quality oil (API rating SM).
CAUTION: Do not to operate your engine with an
oil level below the normal operating range. Se-
vere engine damage could occur.
SYNTHETIC OILS
Synthetic oils have been available for use in in-
dustrial engines for a relatively long period of
time and may offer advantages in cold and hot
temperatures. However, it is not known if syn-
thetic oils provide operational or economic
benefits over conventional petroleum-based oils
in industrial engines. Use of synthetic oils does
not permit the extension of oil change intervals.
CHECKING/FILLING ENGINE OIL LEVEL
IMPORTANT:
Care must be taken when checking engine oil lev-
el. Oil level must be maintained between the
“ADD” mark and the “FULL” mark on the dipstick.
To ensure that you are not getting a false reading,
make sure the following steps are taken before
checking the oil level.
1. Stop engine.
2. Allow approximately five minutes for the oil to
drain back into the oil pan.
3. Remove the dipstick. Wipe with a clean cloth
or paper towel and reinstall. Push the dipstick
all the way into the dipstick tube.
4. Remove the dipstick and note the amount of
oil on the dipstick. The oil level must be be-
tween the “FULL” and “ADD” marks.
Engine Oil Dip Stick (Typical)
5. If the oil level is below the “ADD” mark reinstall
the dipstick into the dipstick tube and proceed
to Step 6.
6. Remove the oil filler cap from the valve cover.
7. Add the required amount of oil to bring the
level up to, but not over, the “FULL” mark on
the dipstick. Reinstall the oil filler cap to the
valve rocker arm cover and wipe any excess
oil clean.
CHANGING THE ENGINE OIL
IMPORTANT:
When changing the oil, always change the oil
filter.
1. Start the engine and run until it reaches nor-
mal operating temperature.
An overfilled crankcase (oil level being too
high) can cause an oil leak, a fluctuation
or drop in oil pressure. When overfilled,
the engine crankshafts splash and agitate
the oil, causing it to aerate or foam.
IMPORTANT:
Change oil when engine is warm and the old oil
flows more freely.
2. Stop engine
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