TM-9-2350-358-BD
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A6
TECHNICAL MANUAL; OPERATOR’S, UNIT, AND DIRECT SUPPORT SUPPORT MAINTENANCE
MARCH 1994
TM-9-2350-358-BD - Page 146 of 343
TM 9-2350-358-BD
6-8.
ENGINE COOLANT FROZEN - CONTINUED
Other Options:
•
Route air from fuel operated vehicle heater over the radiator.
•
Route another vehicle's exhaust gases over the radiator.
Procedural Steps:
1.
Gain access to radiator and powerpack.
2.
Inspect for amount of ice and obvious cracks in coolant system components.
3.
Start the engine and allow to warm up, but not get hot.
4.
Shut down the engine and allow the heat to radiate into and melt the ice.
5.
Restart the engine and allow to warm up but not to overheat.
6.
Record the BDAR action taken.
When mission is complete, as soon as practical, repair the equipment/system
using standard maintenance procedures.
6-9.
RADIATOR LEAKING
General Information:
Radiator leaking may be detected by low coolant levels.
Obvious wet areas or overheating will indicate that the coolant
level must be checked
The repair procedure used Is dependent on the size of the hole(s) causing the leak.
The following
procedures provide options to stop or reduce the leakage rate.
Option 1:
Small Hole.
Limitations:
None
Personnel/Time Required:
•
1 soldier
•
0.3-0.5 hour
Materials/Tools:
•
Stop leak chemical (found in M2/3 generic BDR kit, Section III, Appendix C)
•
Cigarette or tobacco (scavenge from available source)
•
Pepper (scavenge from available source)
•
Eggs (scavenge from available source)
•
Oatmeal (scavenge from available source)
•
Farina (cream of wheat) (scavenge from available source)
•
Corn meal (scavenge from available source)
References:
TM 9-2350-314-10
6-8
TM 9-2350-358-BD
6-9.
RADIATOR LEAKING - CONTINUED
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