TM-9-2350-311-34-2 Maintenance Manual for Volume 2 M109 Cab Download
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TM 9-2350-311-34-2 14-4 TRAVERSING MECHANISM ASSEMBLY - CONTINUED c. Assembly - Continued 16.1 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 NOTE Preform step 16.1 if plugs were removed. Apply sealing compound (item 29, Appx B) to two plugs (28.1) and install. Install headless straight pin (28), if removed. Install machine key (27) and cap screw (26). install ball bearing (25) and new retaining ring (24) on gearshaft (23). Install ball bearing (22), shim(s) (21) new key washer (19) and round nut (20) on gearshaft (23). Shim outer side of ball bearing as required to clamp outer race. Bend tabs of key washer (19) to secure round nut (20). Install gearshaft group (18) in traversing mechanism upper housing (9). Install adapter (17) and five cap screws (16.1). Install block (16) and setscrew (15) in traversing mechanism upper housing (9). Adjust setscrew so that block allows gearshaft (23) to move with slight drag. Secure setscrew (15) with new lockwire (14). Install ball bearing (12) on shouldered shaft (13). Install new gasket (11) on traversing mechanism lower housing (10). If gasket does not match shape of housing well, it may be restored to proper contour by dipping in hot water for one to two minutes. Pat gasket dry and install on lower housing assembly. Repeat as necessary. While ensuring gear teeth mesh correctly, secure traversing mechanism upper housing (9) to traversing mechanism lower housing (10) using ten cap screws (8). Check backlash between bevel gear (39) and gearshaft (23). If backlash exists, shim as required. Install new lockwire (7) to secure ten cap screws (8). Apply sealing compound to two new seals (5). Install two roller bearings (6), two seals (5), two spur gears (4), and two new retaining rings (3). Install two access covers (2) and six washer assembled bolts (1). 14-22 Change 2