TM 5-4220-233-14
(3) Inspect wheel studs (1) for damaged threads. If damaged press out damaged stud(s) and press in
new stud(s).
(4) Inspect hub (2) and bearing cups (3) for damage. If either hub or cup(s) are damaged repair as
prescribed in steps 7 through 9.
(5) Reface brake drum removing a maximum of 0.01 in (0.25mm) per cut until worn area is removed
or out-of round condition is corrected.
(6) Measure inside diameter of brake drum after refacing is completed. If diameter exceeds 12.005 in
(30 80 cm) replace brake drum as prescribed in steps 7 and 9.
(7) Press out all eight wheel studs (1) and separate brake drum (4) from hub (2). Discard wheel studs.
(8) Press new bearing cups (3) into new hub (2).
(9) Mate hub (2) to brake drum (4) and press in eight new wheel studs (1).
5-6
