Crankcase and Oil System. - TM-43-01560156

TM 43-0156

Step

Function

Mech

Insp

7 Install fuel filters and seal chambers.

cont

8 Remove fuel gage float assembly. Preserve

assembly as follows:

(a) Wrap fuel gage assembly in MIL-B-121 barrier

and PPP-C-843 cushioning. Place fuel gage

assembly into a PPP-B-636 fiberboard box (18 x

6 x 4). Seal box with PPP-T-76 tape.

(b) Mark box to indicate contents.

PPP-T-60, type 4, 4-inch wide tape, may be used

as a substitute.

CAUTION

Prelube unit before starting if unit has not been running during

the last 24 hours.

9 Ensure that there is only sufficient fuel (approx

30 gal) in the fuel tank to warm engine.

10 Start the engine on fuel and operate at fast idle

until thoroughly warm, then accelerate to

three-fourths speed. When the sight glass shows

foam, add VV-L-800 preservative oil to the fuel

tank.

11 Operate the engine until undiluted preservative

oil is observed flowing through the fuel return

sight glass.

12 Open drain valve and drain the preservative oil

from the fuel tank.

13 Close drain valve.

14 Atomize spray the interior of the fuel lank with

MIL-L-21260, type I, grade 30 preservative oil and

seal opening with MIL-T-22085 tape. PPP-T-60 tape

may be used as a substitute.

NOTE

Allow sufficient time for engine to cool before processing oil

system.

Change 1

B-3-3