TM-9-2350-311-34-2 Maintenance Manual for Volume 2 M109 Cab Download

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TM 9-2350-311-34-2 6-1 POWER PACK ASSEMBLY This task covers: a. Removal c. Inspection and Repair e. Installation b. Disassembly d. Assembly 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) Sling assembly, lifting (item 18, Appx F) Socket wrench, special (item 23, Appx F) Materials/Parts Cotter pins (item 45, Appx E) Gasket (item 128, Appx E) Hydraulic fluid (item 22, Appx B) Lockwashers (8) (item 83, Appx E) Lockwashers (6) (item 84, Appx E) Lo&washers (2) (item 95, Appx E) Lockwashers (4) (item 97, Appx E) Lo&washers (3) (item 158, Appx E) Lubricating oil (item 23, Appx B) Preformed packing (item 53, Appx E) Preformed packing (item 56, Appx E) Preformed packing (item 57, Appx E) Preformed packing (item 59, Appx E) Preformed packing (item 171, Appx E) Self-locking nut (item 40, Appx E) Spring pin (item 12, Appx E) Personnel Required 2 Discharge hydraulic pressure (TM 9-2350-311-20-2) Equipment Condition Drain hydraulic fluid (TM 9-2350-311-20-2) Lines and fittings from power pack to pressure switch and gages disconnected (TM 9-2350-311-20-2) Lines and fittings from cab to power pack disconnected (TM 9-2350-311-20-2) Lines and fittings from hydraulic filters disconnected (Ml 09A4/M109A5) (TM 9-2350-311-20-2) Lines and fittings from hygroscopic breather discon- nected (M109A4/M109A5) (TM 9-2350-311-20-2) Cab access cover removed (TM 9-2350-311-20-2) a. Removal 1 Remove two cap screws (1) from power pack support (2) to disconnect pressure gage (3) and bottom of sight gage (4). 2 Remove one machine bolt (5) and one lo&washer (6) securing sight gage (4) to top of power pack assem- bly (7) and remove sight gage. 3 Install lockwasher (6) and machine bolt (5) in top of power pack assembly (7). 4 Remove self-locking nut (8) from hose clamp (9). Discard self-locking nut. 5 Remove two cap screws (10) and two lockwashers (11) from base of power pack assembly (7). Discard lockwashers. 6 Position lifting sling assembly (12) over power pack assembly (7) and secure with two cap screws (10). 6-2 Change 2