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 144 of 219
TM 9-2350-274-BD
ARMAMENT AND FIRE CONTROL SYSTEM
10-15. TRAVERSING MECHANISM DAMAGE (Cont).
Procedural Steps:
Option One:
1. Completely remove damaged traversing mechanism from howitzer.
2. Position soldier so that he can see both the gunner and the driver of the second vehicle.
3. Attach the second vehicle to the howitzer muzzle using a rope or a chain.
4. Gunner communicates direction of traverse, either verbally or by hand and arm signals, to the soldier
located outside the vehicle.
5. Soldier outside the vehicle communicates direction of traverse, either verbally or by hand and arm
signals, to the driver of the second vehicle.
6. Driver carefully traverses tube in the required direction.
7. Gunner signals to the soldier standing outside of the vehicle when the tube is at proper deflection.
8. The soldier then signals the driver to stop.
9. Driver stops and engages travel lock.
10. Soldier removes rope or chain from the tube.
11. Move second vehicle to a safe location.
12. Fire mission.
Option Two:
Personnel/Time Required:
●
2 soldiers
●
2 minutes
Material/Tools:
●
Vehicle
●
Radio
Procedural Steps:
Procedural steps are the same for Option 1 except that the gunner communicates directly with the driver
of the second vehicle via the radio.
Option Three:
Personnel/Time Required:
●
7 soldiers
●
2 minutes
Material/Tools:
None
Procedural Steps:
Same as Option 1, except 5 soldiers pull the tube into position instead of using a second vehicle.
10-20
Change 1
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