Filling Empty System

TM 9-2320-273-10

Air vents are located on thermostat housing and on upper front of oil cooler.

Fill the system with a mixture of clean water and ethylene glycol base permanent type anti-

freeze (Check with Organizational Maintenance for the proper mixture of water and anti-

freeze).

a. CLOSE ENGINE BLOCK AND RADIATOR DRAINCOCKS AND OPEN COOLING

SYSTEM AIR VENT.

b. POUR COOLANT INTO RADIATOR FILLER NECK UNTIL SIGHT GLASS IS FULL.

c . START ENGINE AND ALLOW IT TO REACH NORMAL OPERATING TEMPERA-

TURE (165F195F).

d. RECHECK COOLANT LEVEL.

PUT ON RADIATOR CAP.

CHECK FOR LEAKS.

WARNING

Let radiator cool before removing cap. Remove radiator

cap in two steps. First, place a thick cloth over the cap and

slowly rotate cap left to its first stop; pause, and let pres-

sure escape from cooling system. Then rotate cap farther

left until you can remove it. Failure to follow this procedure

can result in serious burns.

TA 073610

3-19