BACKING PLATE AND SPIDER ASSEMBLY, TWO-WHEEL CYLINDER
This task covers:
c. Installation (page 4-94)
a. Removal (page 4-92)
b. Repair of Spider Assembly (page 4-93)
INITIAL SETUP
Personnel Required
Tools
One
Extension, 1/2-inch drive, 3-inch
Hammer, hand, ball-peen, 2-lb
Equipment Condition
Handle, ratchet, 1/2-inch drive
Handle, ratchet, 3/8-inch drive
Wheel cylinders removed
Pliers, long round-nose
Pliers, snapring
Scribe, machinist's
Socket, 3/8-inch drive, 3/8-inch
Socket, 1/2-inch drive, 13/16-inch
Wrench, box-end, 7/8-inch
ACTION
ITEM
REMARKS
LOCATION
NOTE
Repair consists of replacement of adjustment assemblies in the spider assembly.
Both backing plates and spider assemblies are removed and installed the same way,
Both spider assemblies are repaired the same way. This task covers one backing plate
and spider assembly; repeat for the others.
REMOVAL
Ten screws (4) and
a. Using scribe, matchmark backing
1. Spider(1),
locknuts (5)
plate (3) and spindle (2).
spindle (2), and
b. Using 13/16-inch socket, 3-inch
backing plate (3)
extension ratchet handle with 1/2-inch
drive, and 7/8-inch box-end wrench,
unscrew and take off.
Backing plate (3)
Take off.
2. Spindle (2)
and spider (1)
Stud (6) and
a. Using 3/8-inch socket and ratchet
3. Spider (1)
screw (7)
handle with 3/8-inch drive, turn stud
(6) counterclockwise until screw (7)
is able to come out of spider (1).
4-92
