TM 10-3930-659-34 5-16.    REAR  AXLE  FRONT  OSCILLATING  SUPPC  RT  YOKE,  INPUT  QUILL,  AND  PINION  SHAFT  MAINTENANCE (Con’t). c.  CLEANING AND INSPECTION WARNING Dry  cleaning  solvent,   P-D-680,   is   toxic   and   flammable.      Always   wear   protective   goggles   and gloves, and use only in a well-ventilated area.  Avoid contact with skin, eyes, and clothes, and DO NOT breathe vapors DO NOT use near open flame or excessive heat.  The solvent’s flash point is 1 )0°F-138°F (38°C-590C).  If you become dizzy while using cleaning solvent, immediately get fresh air and medical help. If solvent contacts eyes, immediately wash your ;yes and get medical aid. 1 Clean parts with dry cleaning solvent and dry with a clear rag. 2 Clean and inspect bearings in accordance with TM 9-214 NOTE Pinion shaft and ring gear are a matched set.  If 3inion shaft is damaged, ring gear MUST also be replaced (see paragraph 5-17). 3 Inspect pinion shaft gear teeth for burrs and damage.  Replace damaged pinion shaft and ring gear. 4 Inspect pinion shaft for cracks, bends, and distortion.  Replace damaged pinion shaft and ring gear. 5 Inspect front input quill for cracks and damage.  Replace damaged front input quill. d.  ASSEMBLY 1 Rear Cone Point Adjustment. NOTE Dimension   in   step   (a)   is   distance between   differential   crossbore   and front input quill mounting surface on differential housing. (a). Note dimension (29) stamped on mounting surface of differential housing (3). 5-156