TM-9-2350-275-BD
M113 FAMILY CARRIER, PERSONNEL SELF-PROPELLED FULL-TRACKED
TECHNICAL MANUAL; OPERATORS, ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; BATTLEFIELD DAMAGE ASSESSMENT AND REPAIR
TM-9-2350-275-BD - Page 71 of 223
5-4
TM
9-2350-275-BD
COOLING SYSTEM
Procedural Steps (Cont):
4. Record the BDAR action taken. When the mission is completed, as soon as
practicable, repair the vehicle using standard maintenance procedures.
5-6. COOLANT FROZEN
General Information
The radiator may freeze-up if no antifreeze is available.
in freezing weather without antifreeze. remove fan belts
When vehicle must be driven
until the system gets hot, and
cover radiator to reduce air flow to maintain operating temperature. Coolant must be
drained or keep the engine operating to prevent the coolant from refreezing.
Limitations
●
None
Personnel/Time Required:
●
1 soldier
●
10-15 minutes
Other Options:
●
Use personnel heater.
●
Use other vehicle’s exhaust heat to melt frozen ice.
●
Use alcohol if other antifreeze is not available.
Procedural
Steps:
1.
Gain access to engine compartment.
2.
Disconnect fan tower belts.
3. Start engine and check water pump belt.
a. If pump is turning, go to step 6.
b.
If pump is not turning stop engine.
c. Remove waterpump belt and restart engine.
4.
Let engine run for 3 to 5 minutes.
5. Stop engine and re-install water pump belt, if required.
6.
Check radiator for ice.
7.
Continue steps 3 through 6 until coolant is liquid.
Back to Top
