TM 5-4220-233-14
Figure 4-27. Install Hub and Drum Assembly.
c.
Installation.
(1) Inspect brake assembly for damage and wear. Refer to paragraph 4-44 if brake assembly requires
repair.
(2) Clean spindle (1) on axle as prescribed in paragraph 4-15, then apply a liberal coat of gear oil (item 12,
Appendix D) to spindle.
(3) Set aside front wheel bearing (2) and carefully mount hub and drum assembly onto spindle of axle (1).
(4) Insert front wheel bearing (2) until bearing is mated with cup (race) on hub.
(5) Install spindle washer (3) and thread spindle nut (4) onto spindle of axle (1) hand tight.
(6) Align slot on spindle nut (4) with hole in spindle of axle (1). Turn nut one position (DO NOT OVER
TIGHTEN) if necessary for proper alignment.
(7) Install and open cotter pin (5) to lock spindle nut (4) position.
(8) Perform initial adjustment of brake assembly by turning brake adjuster assembly until brake drum to
brake shoe contact can be heard when hub and drum assembly is rotated.
(9) After initial brake adjustment is made install dust cap (6) on backside of brake assembly.
(10) Install gasket (7) and cap (8) into seat of hub and drum assembly (9).
(11) Position gasket (10) and mounting ring (11) on front face of hub and drum assembly (9) and secure
with six screws (12).
(12) Service hub and drum assembly with gear oil as prescribed in paragraph 3-1.
(13) Install wheel and tire assembly as prescribed in paragraph 3-5.
(14) Make final adjustment on brake assembly as prescribed in paragraph 4-43.
4-65