TM-9-2350-311-34-2 Maintenance Manual for Volume 2 M109 Cab Download
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TM 9-2350-311-34-2 9-1 TRAVERSING MECHANISM ASSEMBLY This task covers: a. Removal b. Disassembly c. Inspection d. Assembly e. Installation Tools Artillery and turret mechanic’s tool kit (SC 5180-95-CL-A12) Artillery field maintenance tool kit (SC 4933-95-CL-A06) Drain pan (item 12, Appx F) Sling, multiple leg (item 20, Appx F) Materials/Parts Gasket (item 133, Appx E) Lockwashers (4) (item 96, Appx E) Sealing compound (item 29, Appx B) Self-locking bolts (2) (item 93.1, Appx E) Webbing strap (item 34, Appx B) Personnel Required 2 Equipment Condition Turret lock in LOCKED position (TM 9-2350-311-10) Vehicle MASTER switch to OFF (TM 9-2350-311-10) CAB POWER switch to OFF (TM 9-2350-31 1-10) Discharge hydraulic pressure (TM 9-2350-311-20-2) Electrical contact assembly removed (TM 9-2350-311-20-2) M109A2/M109A3 Traversing mechanism cover plate removed (TM 9-2350-311-20-2) Lines and fittings from traversing mechanism discon- nected (TM 9-2350-311-20-2) Oil pump and lines removed (para 9-5) Clutch assembly removed (para 9-3) or gearshaft assembly removed (para 9-4) a. Removal 1 Remove four cap screws (1) four lockwashers (2) and hydraulic motor (3) from adapter (4) on traversing mechanism upper housing (5). Discard lockwashers. 2 Remove woodruff key (6) from hydraulic motor (3) shaft. 3 Place drain pan below drain plug (7) at bottom center of traversing mechanism lower housing (8) and drain 7 pints (3.31 l) of lubricating oil. Replace drain plug. 4 Remove screw (9) from multiple leg sling (10). Separate halves of the multiple leg sling and attach to trav- ersing mechanism upper housing (5). Replace screw. 9-2 Change 2