TM 10-3930-669-34 VISUAL INSPECTION (1) Remove    differential    case    pins,    shaft    retainer, pinions, and washers (Para 10-4). (2) Inspect   washers,   shaft   retainer,   and   pinions   for cracks and signs of wear (a) If washer(s), shaft retainer, and/or pinion(s) are damaged, replace drive axle (Para 10-2). (b) If  washers,  shaft  retainer,  and  pinions  are not  damaged,  fault  not  corrected.    Perform Steps  (3)  and  (4)  below  and  replace  drive axle (Para 10-2). (3) Install washers, shaft retainer, pinions and pins. (4) Install side gear, washer, and differential cover. VERIFY REPAIR (1) Start engine (TM 10-3930-669-10) (2) Operate  forklift  forward  and  reverse  and  observe drive axle engagement. (a) If   drive   axle   engagement   is   not   smooth, fault not corrected. Perform Step (3) below and replace drive axle (Para 10-2). (b) If  drive  axle  engagement  is  smooth,  fault corrected (3) Shut down engine. 2-87