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 30 of 552
TM 9-2350-311-34-2
1-14 LOCATION AND DESCRIPTION OF MAJOR COMPONENTS
This section covers the description of the M185 or M284 155mm cannon assembly, M178 or M182 mount, equilibrated
elevating mechanism assembly, gunner’s and assistant gunner’s control assemblies, rammer assembly, traversing mech-
anism, power pack assembly, and related cab subassemblies. The description furnished below is supplemental to informa-
tion given in TM 9-2350-311-10 and TM 9-2350-311-20-2.
NOTE
The
M185
cannon
assembly
and
the
M178
mount
together
are
applied
to
M109A2/M109A3/M109A4 howitzers. The M284 cannon assembly and the M182 mount together
are applied to the M109A5 howitzer. Their function and maintenance are similar; however, the
M109A5 howitzer configuration is designed to accommodate a larger charge.
1-10
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