TM 4320-1 4/1
every 100 hours thereafter.
3-3. LUBE OIL CAPACITY
Always use oil with the right viscosity for the ambient temperature in which the engine is being operated. Refer
to Table 3-1 when choosing the engine oil.
When checking oil level, make sure engine is stopped and
sitting level. If engine Is tilted, you may add either too
much or too little oil.
Do not overfill. Engine damage could result. If overfilled,
notify unit maintenance.
Always check the lube oil level before starting engine and
refill if necessary.
Recommended oil to use is Class CC/CD Hi-Detergent
SAE 15W40 Oil of API Engine Service Classification. Nev-
er use automotive engine oil. Engine damage may result.
Change engine oil after initial 20 hours of operation and
Fill up to the top of the filler port with the
engine placed on the level.
Figure 3-1. Oil Level
With the engine level, perform the following steps to check oil level.
Unscrew dipstick (1).
Wipe with lint-free cloth (Appendix E, Section 11, Item 11). Place dipstick into oil pan (2). Do not screw in
the dipstick; this could cause a false reading.