TM 10-3930-659-34 5-16.    REAR  AXLE  FRONT  OSCILLATING  SUPPORT  YOKE,  INPUT  QUILL,  AND  PINION  SHAFT  MAINTENANCE (Con’t). WARNING Use extreme caution when handling heavy parts.  Lifting device is required when parts weigh over 50 lb (23 kg) for a single person lift, over 100 lb (45 kg) for a two person lift, and over 150 lb (68 kg) for a three or more person lift.  Keep clear of heavy parts supported only by lifting device.  Failure to follow this warning may cause serious injury or death to personnel. NOTE Front input quill assembly weighs approximately 120 lb (54 kg). 2 Remove front input quill assembly (4) from differential housing (3). b.  DISASSEMBLY 1 Position  rear  axle  front  oscillating  support  yoke  (8)  in  machinist’s  vise  with  vise  Jaw  caps  or  axle  yoke holding tool. NOTE Torque on nut is approximately 300 Ib.-ft.  (407 Nom). 2 Remove cotter pin (5) and nut (6) from pinion shaft (12).  Discard cotter pin. 3 Remove rear axle front oscillating support yoke (8), spacer (7), and preformed packing (13) from pinion shaft (12). Discard preformed packing. 4 Remove support (9) and thrustwasher (10) from front input quill (11). 5-153