TM-9-2350-274-BD
M109/M110/M578 VEHICLES HOWITZER, MEDIUM, SELF-PROPELLED FULL-TRACKED
TECHNICAL MANUAL; OPERATORS, ORGANIZATIONAL DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
JANUARY 1984
TM-9-2350-274-BD - Page 124 of 219
TM 9-2350-274-BD
ARMAMENT AND FIRE CONTROL SYSTEM
-gun elevation/traversing system, . . go to para 10-6 and 10-7
-sighting system, . . . . . . . . . . go to standard maintenance TMs
-turret blower system, . . . . . . . . . . go to TM 9-2350-276-BD
Armament and Fire Control Assessment
Fully
Combat
Mission
Combat
Emergency
Capable
Capable
Capable
- system operates normally
- system is degraded;
however, redundant
system available
- system is degraded;
no redundant system
- gun tube will not
elevate or depress
- gun tube will not traverse
10-3. BDAR Procedure Index:
X
X
X
X
X
X
X
X
Para
Bore Evacuator Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-4
Gun Interchangeability (M109 Family) . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-5
Gun Interchangeability (M110 Family . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-5.1
Turret Power Pack Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-6
Turret Power Pack Interchangeability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.10-7
Turret Interchangeability (M109 Family) . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . 10-8
Turret Interchangeability (M110 Family) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-8.1
Winch/Boom Interchangeability (M578 RV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-8.2
Manual Pump Fluid Loss (M109 only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-9
Fire Control Interchangeability (M109/M110 Families) . . . . . . . . . . . . . . . . . . . . . . . . . .10-10
Loss of Accumulator Pressure Switch (M109 vehicles) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-11
Power Loss to 645 Pressure Switch Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-12
Pivot Interlock Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-13
Rammer Tray Interlock Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-14
Traversing Mechanism Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-15
10-2
Change 1
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