TM 9-2330-271-14&P
(6) At the forward brake shoe, remove hexagon
(3) Unscrew tube assembly bolt from wheel
nut (Q), lock washer (B), guide bolt washer (C), and
cylinder tube connection fitting.
sleeve spacer (D) from brake shoe guide bolt (P).
(4) Remove fluid pressure connection bolt and
(7) Remove square neck guide bolt from brake
washer from tube connection fitting.
backing plate (F).
(5) Pull fitting away from cylinder.
(8) At the rear brake shoe, remove cap screw
(6) Remove washer between fitting and
(A), lock washer (B), guide screw washer (C), and sleeve
cylinder.
spacer (D) which secure brake shoe and intercylinder
(7) If removing both wheel cylinders, remove
tube assembly (M) in position.
lower and upper wheel cylinder tubes (M) from rear of
(9) Disengage brake shoe from wheel cylinder
brake backing plate (F).
piston rod and anchor support.
(8) Remove two bolts (L) and lock washers (K)
securing wheel cylinders (X) and (T) and spark shields
(W) and (S) to brake backing plate (F). Slide brake
(1) Position either brake shoe against brake
shoes away from wheel cylinder piston rods.
backing plate and slide into place in anchor supports and
wheel cylinder piston rods.
(2) Install other brake shoe in same manner.
CAUTION
(3) Assemble guide bolt sleeve spacer (D),
Prevent hydraulic brake fluid from
guide screw washer (C), and lock washer (B) on cap
coming in contact with brake linings,
screw (A).
either by dripping or from soiled
(4) Aline tube connection fitting, part of tube
hands.
assembly (M), with guide hole at the rear of the backing
(9) Remove wheel cylinder. Remove spark
plate.
shield from cylinder.
(5) Install the assembled guide screw through
slot in brake shoe (E) and into fitting at rear of backing
(1) Position spark shield over rear of each
plate.
wheel cylinder.
(6) Tighten guide screw.
(2) Place wheel cylinder between ends of brake
(7) Insert brake shoe guide bolt (P) from rear of
shoe and through brake backing plate.
backing plate through slot in brake shoe (R).
(3) Install two lock washers (K) and bolts (L)
(8) Assemble guide bolt sleeve spacer (D),
from rear of backing plate to secure cylinder and spark
guide bolt washer (C), lock washer (B), and nut (Q) on
shield to backing plate.
guide bolt (P).
(4) If installing both cylinders, position upper
(9) Tighten nut.
and lower wheel cylinder tubes against rear of backing
(10) Install hub and brake drum (paragraph 4-
plate.
47f).
(5) Place washers on bolts, parts of tube
assembly (M); then tighten bolts.
4-36.
Hydraulic Wheel Cylinder
4-37.
Brake Backing Plate
and
Support
and
Adjuster Assembly
a.
(1) Remove wheel and tire assembly
a.
(1) Scribe alinement marks on support and
(2) Remove hub and brake drum (paragraph 4-
adjuster assembly and brake backing plate and axle
47a).
flange to insure proper installation.
4-44