4-55. RADIUS ROD AND RADIUS ROD BUSHING REPLACEMENT (Con't).
Front and rear and adjustable and fixed radius rods (12) are removed the
same. Removal of an adjustable radius rod is illustrated.
Use a floor jack placed under end of axle in front of brake chamber to raise wheels off ground.
Remove locknut (11), thick washer (10), bolt (9), and thin washer (8) at axle bracket (7).
Remove locknut (6), thick washer (5), bolt (1), and thin washer (2) at frame hanger (4).
Work bushings (3) loose and remove. Discard bushings.
Remove radius rod (12).
Lightly coat four new bushings (3) with a mixture of 50% water and 50% detergent.
Adjustable radius rods (12) are installed roadside. Fixed radius rods are
Adjustable radius rods (12) should be installed so that end casting with
stamped "F" is toward the front. To extend the adjustable radius rod, a
clockwise rotation (when looking to front) is required.
If installing an adjustable radius rod (12), loosen four nuts (13) and adjust length to equal
original adjustable radius rod length. Leave nuts loose.