TM-9-2350-311-34-2
CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS HOWITZER, MEDIUM, SELF-PROPELLED, 155MM
TECHNICAL MANUAL; DIRECT AND GENERAL SUPPORT MAINTENANCE MANUAL
SEPTEMBER 1994
TM-9-2350-311-34-2 - Page 179 of 552
TM 9-2350-311-34-2
5-5 BREECH MECHANISM
This task covers:
a. Disassembly
c. Assembly
b. Inspection
INITIAL SETUP
Tools
Artillery and turret mechanic ’s tool kit
(SC 5180-95-CL-A12)
Artillery field maintenance tool kit
(SC 4933-95-CL-A06)
Materials/Parts
Lockwashers (4) (item 69, Appx E)
M109A2/M109A3/M109A4
Lockwashers (3) (item 70, Appx E)
M109A2/M109A3/M109A4
Lockwashers (2) (item 77, Appx E)
Lockwire (item 36, Appx E) M109A5
Personnel Required
3
References
TM 9-1000-202-14
Equipment Condition
Carrier assembly removed (TM 9-2350-311-20-2)
a. Disassembly
Wear steel-tipped safety shoes, safety glasses and gloves to avoid possible injury.
Make sure breechblock is in closed position to avoid possible injury.
Springs of breechblock are under 130 lb-ft (176 N ·m) load pressure. Use extreme care when
removing components of the breech mechanism to avoid possible injury.
5-35
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