TM-9-2320-209-20-3-1

2½-TON, 6X6, M44A1 AND M44A2 SERIES TRUCKS (MULTIFUEL)

TECHNICAL MANUAL; TROUBLESHOOTING; ORGANIZATIONAL LEVEL; VOLUME 3 OF 3; PART 1 OF 4

MAY 1981

TM-9-2320-209-20-3-1 - Page 411 of 830

TM 9-2320-209-20-3-1

c. Cleaning.

1.

2.

3.

4.

5.

GO

Fill engine cooling system with clean water to within two inches of overflow.

Start engine. Refer to TM 9-2320-209-10.

NOTE

Put cardboard in front of radiator to raise engine

temperature if needed, but do not let coolant boil.

Run engine at 650 rpm to 700 rpm until engine temperature reaches 160°F to

180°F .

Let it run for at least 10 minutes.

WARNING

Use rubber gloves when working with cleaning compound.

Do not spill cleaning compound on skin, clothing or truck.

Cleaning compound contains strong acid and will cause

serious burns to personnel and

NOTE

Use two bags of oxalic acid and

chloride.

damage to equipment.

two bottles of aluminum

Slowly pour cleaning compound into radiator filler tube (1) .

Put on radiator filler cap (2) and press down and turn it all the way to the

right .

TO FRAME 2

TA 083304

6-51