(g) Refer to paragraph b. below and re-
place any defective studs.
Do not drive bearing races from drum
assembly. Use a puller instead.
of applicable manual for pneumatic tire repair.
(3) Installation. Install wheel and tire in re-
Replace any damaged parts.
verse order of removal procedures.
b. Wheel Bearings.
Bearings and races are matched sets and
shall be replaced as such.
Front wheels are not equipped with brakes.
(a) If bearing races (19 and 20) were
(a) Remove wheel and tire as outlined in
removed, press into drum assembly.
(b) Pack inner bearing (18) with grease
Automotive and Artillery (GAA).
cotter pin (11) and castellated nut (12) and key was-
her (13) to remove outer bearing (14).
(c) Install grease seal (17).
(c) Remove drum (15) and hub (16) as an
assembly with grease seal (17), inner bearing (18)
and races (19 and 20). Remove grease seal and
On rear wheel, make sure that brake
lining and drum assembly are clean and
free of grease before installing drum as-
Adjust brakes on rear wheels as loose as
possible before removing drum and hub
(d) Apply light film of grease to axle
and install drum and hub assembly (15 and 16).
(e) Pack outer bearing (14) with grease
(d) Do not remove lug nut studs (3) unless
replacement is necessary.
(f) Install key washer (13) and castellat-
(2) Cleaning and Inspection.
ed nut (12).
(a) Clean bearings, castellated nut, cotter
(g) Tighten nut until snug, then back off
pin, grease cap, axle, and drum and hub assembly
until next cutout is aligned with cotter pin hole in
with an approved solvent and dry thoroughly.
(b) Visually inspect bearings for corrosion,
(h) Check that drum assembly rotates
scored rollers, wear and other damage.
(c) Inspect castellated nut for cracks,
(i) Install cotter pin (11) and grease cap
corrosion, and stripped or otherwise damaged
(j) Install wheel and tire as outlined in
(d) Check axle for corrosion, cracks, and
stripped or otherwise damaged threads.
(e) Inspect drum and hub assembly for
cracks, breaks, corroded or damaged bearing races
and other damage.
Adjust brakes on rear wheels as outlined
supports and jack.
Check rear drum assemblies for deep
scores or excessive wear on surface
which mates with brake lining.