TM 9-2330-356-14
air and medical help. If solvent contacts eyes,
4-42. Brake Camshaft, M967A1, M969A1, and
Immediately wash your eyes with water and
M970A1 including M970 SN TC-0843,
get medical aid.
a . Removal.
(1) Remove wheel and drum assembly
(1) Thoroughly clean slack adjuster, splines of
camshaft, and other metal parts using dry cleaning solvent
(item 11, Appendix E) and a stiff fiber brush. Make sure
parts are completely dry.
(2) Inspect slack adjuster for external damage,
(4) Expand retaining ring and slide camshaft part
and the worm shaft hex head for being frozen or binding.
way out of spider. Remove retaining ring.
(3) Replace all parts which are not in good
(5) Slide camshaft out of spider.
condition.
(6) Remove two washers and two seals from
camshaft.
(7) Remove spider bushing.
(8) Remove four nuts, four washers, and four
screws securing camshaft bushing assembly to bracket.
(9) Remove inner retainer and outer retainer.
(10) Remove camshaft bushing and two
preformed packings.
Inspection and Repair.
b.
WARNING
Dry cleaning solvent P-D-680 is toxic and
flammable.
Always wear protective
goggles and gloves, and use only in a
well-ventilated area. Avoid contact with
skin, eyes, and clothes, and DO NOT
breathe vapors. DO NOT use near open
flame or excessive heat. The solvent's
flash point Is 100F-138F (38C-59C).
If you become dizzy while using cleaning
solvent, Immediately get fresh air and
(M967A1, M969A1, and M970A1 including M970 SN
medical help. If solvent contacts eyes,
TC-0843, TC-0844, and TC-103 thru C-178).
Immediately wash your eyes with water
c.
Installation.
and get medical aid.
Compressed air used for drying or
(1) Place slack adjuster into position on cam-
cleaning purposes must not exceed 30 psi
shaft. Use a brass hammer to lightly tap it into place.
(207 kPa). Wear protective clothing
(goggles and gloves) and use caution to
(2) Install retaining ring into recess on camshaft.
avoid Injury to personnel.
NOTE
(3) Place yoke into position at slack adjuster and
install clevis pin.
Use a wire brush to clean camshaft and Inner
and outer retainers, If required, to remove
(4) Install cotter pin to secure clevis pin.
caked-on dirt and corrosion.
(1) Thoroughly clean all metal parts with dry
low pressure compressed air.
Change 3