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 139 of 343
TM 9-2350-358-BD
CHAPTER 6
COOLING SYSTEM
BDAR FIXES SHALL BE USED ONLY IN COMBAT OR FOR TRAINING AT THE
DISCRETION OF THE COMMANDER. (AUTHORIZED TRAINING FIXES ARE LISTED
IN APPENDIX E.) IN EITHER CASE, DAMAGES SHALL BE REPAIRED BY
STANDARD MAINTENANCE PROCEDURES AS SOON AS PRACTICABLE.
SECTION I.
INTRODUCTION
6-1.
SCOPE
This chapter contains fault assessment and expedient repair procedures available to find and fix the battlefield damage to
the Cooling System.
6-2.
ASSESSMENT PROCEDURE
Table 6-1.
Cooling System Visual Assessment
VISUALLY INSPECT
DAMAGE FOUND TO:
Shrouds, Air Cooling Damaged.
....................
para 6-5
Coolant Substitute
......................................
para 6-6
Thermostat Stuck.
.........................................
para 6-7
Engine Coolant Frozen .
................................
para 6-8
Radiator Leaking.
..........................................
para 6-9
Hose Clamp Broken.
...................................
para 6-10
Hose Leakage.
............................................
para 6-11
Hose Collapse.
............................................
para 6-12
Hose Improvisation .
....................................
para 6-13
Radiator Surge Tank Leaking .
....................
para 6-14
Determine if
No damage found
Damage can be repaired
Damage cannot be repaired
- Note repair requirements
-Note extent of damage repair
requirements
Go to Table 2-3 Evaluation of
Performance Capability
Visual inspection is complete.
Return
to Table 2-2 to continue visual assessment.
6-1
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