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 88 of 552
TM 9-2350-311-34-2
2-23 TROUBLESHOOTING CHART - CONTINUED
b. CANNON AND MOUNT
The cannon consists of the muzzle brake, thrust collar, cannon tube, bore evacuator, breech assembly, and firing mecha-
nism. The mount consists of the variable recoil mechanism, dust shield, breech operating cam, buffer cylinder, recuperator,
and cradle. Below is a pictorial view of the cannon with all the major assemblies installed. The muzzle brake and variable
recoil mechanism reduce and absorb the recoil of the cannon tube during the firing sequence. The breech assembly
houses the projectile and propellant during a firing. The firing mechanism is used to fire the cannon.
2-26
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