.12 Universal Joints and U-Clamps.

Universal Joints. With spring brakes on and gear selector in neutral, place a small bar between the yoke and the U-joint and rotate the shaft back and forth.

Procedures: Reject Vehicle If:
(1) Visually inspect universal joints for looseness, missing or loose bolts, and proper phasing. (1) There is free play in a universal joint, bolt is missing or loose, joints are not in proper phase.
(2) Visually inspect U-clamps. (2) U-clamp is missing, loose, nut is missing or loose, or nut or bolt is not locked.
(3) Visually inspect steady bearing for wear and proper mounting. (3) Steady bearing is loose or worn.