TM 9-2320-361-20 7-6. FRONT AXLE SHAFT AND UNIVERSAL JOINT MAINTENANCE (Contd) b. Cleaning and Inspection 1. 2. 3. 4. 5. 6. 7. Inspect for worn U-joint as follows: a. Place short shaft (19) in vise (20) and twist shaft (17) back and forth checking for free play. b. Push and pull shaft (17) and check for free play. c. Check universal joint (18) for roughness, binding, or free play. Replace universal joint (18) if damaged (para. 7-4). WARNING Drycleaning solvent is flammable and will not be used near open flame. Use only in well-ventilated places. Failure to do so may result in injury to personnel. Clean all metal parts with rag saturated with drycleaning solvent. Do not clean brake lining or any parts of wheel cylinder with drycleaning solvent. Clean sealer remains from mating surfaces. Inspect shafts (17) and (19), including yokes (27), for breaks, cracks, or bends. Replace shafts (17) or (19) if damaged. Inspect splines (25) and (26) for nicks, burrs, or chipping. Replace shafts (17) or (19) if nicked, burred, or chipped. Inspect thrust washers (12) and (13) for evidence of overheating (discoloration) or scoring. Replace thrust washers (12) and (13) if discolored or scored. Inspect spindle (11) bearing sleeve (21), and bearing surfaces (22) and (23) for scoring. Replace spindle (11) if scored. Inspect studs (24) of steering knuckle (14) for stripped or crossed threads. Replace studs (24) if threads are stripped or crossed. 7-17