TM 9-2330-356-14
e.
Assembly.
graph 6-8.
(2) Assemble fail-safe unit (1) to non-pressure
housing, and secure with clamp ring (6), bolt (4), and nut
(5).
f.
leakage after installation by making full brake application
and applying soapy water around clamp ring and
connections.
6-10. Non-adjusting Brake Plunger M967
M969, and M970 except M970 SN TC-843, TC-
a.
b.
Seal Replacement.
(1) Pry or cut old seal from plunger. Use care not
to damage plunger.
inside surfaces of new seal assembly.
M97O except M970 SN TC-0843, TC-0844, and TC-103
thru TC-178) (Fail-Safe Unit).
(3) Put apiece of masking tape over slot for brake
shoe web in plunger to protect seal during installation.
(4) Remove diaphragm plate (3) and wedge guide
(4) Carefully push the double-lip seal assembly
(7) from housing.
onto the plunger. The outer seal lip must be stretched
over nose of plunger. Continue to push on seal until inner
seal is completely in the second plunger groove and outer
(5) Remove collet nut (9).
seal lip is in the first plunger groove.
c.
(5) Remove masking tape from plunger nose.
d.
c.
Change 3