TM-9-2350-311-20-1
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS
AUGUST 1994
TM-9-2350-311-20-1 - Page 1057 of 1275
TM 9-2350-311-20-1
11-25 FIXED FIRE EXTINGUISHER SYSTEM —
CONTINUED
b. Disassembly/Assembly — Continued
For disassembly/assembly of early model M109A3 fixed fire extinguisher systems, follow illustration and legend as
a guide.
LEGEND
55 Pulley mounting nut
56 Pulley mounting screw (4)
57 Lockwasher (4)*
58 90° pulley
59 Flexible conduit
60 Flexible conduit
61 Flexible conduit
62 Conduit connector (2)
63 Washer (2)
64 Gasket (2)*
65 Washer (2)
66 Conduit nut (2)
67 Pull handle assembly (2)
68 Antipilferage seal (2)*
69 Pull mechanism
70 Conduit clamp
71 Connector
72 Tube assembly
73 Elbow
74 Head
75 Elbow assembly
76 Tube sleeve
77 Tube nut
78 Elbow
79 Tube nut
80 Tube sleeve
81 Elbow
82 Adapter
83 Tube sleeve
84 Tube nut
85 Tube
86
Support Iockpin (2)
87 Tube sleeve
88 Tube nut
89 Bracket screw (2)
90 Lockwasher (2)*
91 Flat washer
92 Nozzle screw (2)
* Discard item, install new
93 Lockwasher (2)*
94 Flat washer
95 Nozzle bracket
96 Connector
97 Nozzle
98 Cylinder support (2)
99 Bracket screw (2)
100 Lockwasher (2)*
101 Flat washer (2)
102 Nozzle screw (2)
103
Lockwasher (2)
104 Flat washer (2)
105 Nozzle bracket
106 Elbow assembly
107 Nozzle
108 Nozzle adapter
109 Nipple
110 Tube sleeve
111 Tube nut
112 Tube
113 Elbow
114 Tube sleeve
115 Tube nut
116 Control valve
117 Angle pulley
118 Pulley mounting nut
119 Pull mochanism
120 Support mounting nut (2)
121 Pull mechanism support
122 flat washer
123 Support screw (2)
124 Pull mechanism clamp (2)
125 Clamp screw (5)
126 Flat washer (5)
127 Conduit clamp
128 Flat washer (2)
129 Support
screw (2)
11-78
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