TM 9-2330-356-14
c. Repair. No repair is authorized. If damage is
found, replace the wedge assembly.
4-39).
(3) Remove hollow capscrew, gasket, and pawl
d.
Installation.
spring from side of plunger housing (fig. 4-66). If the pawl
does not come out with spring, use a small magnet to
(1) Wipe plunger housing and wedge assembly
remove the pawl.
with clean rag.
(4) Pry the plunger seal loose. Remove the
(2) Install wedge assembly into the plunger
adjusting bolt, seal, and adjusting sleeve as an assembly.
housing. It maybe necessary to turn wedge assembly to
Remove the adjusting plunger.
engage the tabs (fig. 4-65) in the plunger housing. Check
for correct roller-plunger engagement by:
c.
Removal of Anchor (Solid) Plunger.
(a) Observing that the ears on the roller
(1) Remove the guide screw and gasket from side
retaining cage are in corresponding slots in wedge bore of
plunger housing.
(2) Remove plunger and seal assembly.
(b) Pushing on wedge rod by hand while
d.
Inspection and Repair.
checking for plunger and brake shoe lift.
(c) When properly installed, the wedge rod
WARNING
standout is 2-inches from plunger housing. Measure the
standout of the wedge rod from the end of the threaded
Dry cleaning solvent P-D-680 Is toxic and
plunger housing bore.
Always wear protective
flammable.
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
medical help. If solvent contacts eyes,
immediately wash your eyes with water
and get medical aid.
Compressed air used for drying or
cleaning purposes must not exceed 30 psi
(207 kPa). Wear protective clothing
(goggles and gloves) and use caution to
avoid injury to personnel.
(1) Thoroughly clean all metal parts with dry
low pressure compressed air.
Housing (M967, M969, and M970 except M970
SN TC-0843, TC-0844, andTC-103thruTC-178).
CAUTION
Brake Plungers and Brake Adjusting Parts,
M967, M969, and M970 except M970 SN TC-0843,
TC0844, and TC-103 thru T-178.
DO NOT use dry cleaning solvent to clean any
rubber parts. Damage to parts would result.
a.
Service. The plungers and adjusting parts should
be serviced by following procedures c through e below
whenever the shoes have been removed.
(2) Thoroughly clean plunger seals and gaskets
with mild soap solution and dry with low pressure
b.
Removal of Adjusting Plunger Assembly.
compressed air. Use wire brush on plunger parts and
adjusting bolt threads, if required, to remove caked on dirt
and corrosion.
Change 3