TM-5-5420-202-10

TM-5-5420-202-10 - Page 472 of 535

TM 5-5420-202-10

0074

2. ENGINE OIL LEVEL AND FILL. Check engine oil levels daily after operating engine. Vehicle must be parked

on level ground to obtain accurate oil level reading. Loosen screw securing outer cover and lift outer cover.

Open inner cover and remove dipstick from tube (Figure 3). Wipe dipstick and insert in tube with dipstick loop

facing hull.

Figure 3.

Engine Oil Level Dipstick Location.

a. Checking procedure for:

(1) Engine Running, Cold Oil. When oil level is checked after engine has been started, but operated at 700

to 1200 RPM for only 5 to 10 minutes, oil temperature will be below normal operating temperature.

(a) Check oil level (with engine idling at 700 to 750 RPM). If level is in IDLING RANGE (between ADD

and HOT FULL marks), engine is safe to operate. If oil level is below ADD mark, add oil as necessary

to bring level to COLD FULL mark (Figure 4).

Figure 4.

Oil Level Dipstick.

(b) On backside of dipstick are four hashmarks. Distance between each mark is 2 gal. (7.6 L). When oil

level shows low on dipstick, turn to these marks to determine correct amount of oil to add. Any added

oil will not show on dipstick until after engine has been running for several minutes.

0074-5

Launcher, Engine, and Transmission Checks - Continued

LUBRICATION INSTRUCTIONS - CONTINUED