TM-9-2330-227-14-P

SEMITRAILER, VAN: SHOP, 6-TON, SINGLE AXLE, M146

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)

JUNE 1985

TM-9-2330-227-14-P - Page 184 of 576

TM 9-2330-227-14&P

WHEELS CYLINDERS, ONE-WHEEL CYLINDER OPTION BRAKES

This task covers:

a. Removal (page 4-106)

b. Installation (page 4-106)

INITIAL SETUP

Tools

Materials/Parts

Handle, ratchet, 1/2-inch drive

Tape, teflon (item 20, appendix E)

Pan, drain

Socket, 1/2-inch drive, 9/16-inch

Personnel Required

Wrench, box-end, 7/16-inch

Wrench, box-end, 3/4-inch

One

Equipment Condition

Brakeshoes removed (page 4-88).

ACTION

LOCATION

ITEM

REMARKS

REMOVAL

NOT E

Both sets of wheel cylinders are removed and installed the same way. This task is for

one set; repeat for the other. Have drain pan ready to catch hydraulic fluid spillage.

1.

Wheel cylinder (1)

Bolt (2)

a. Put drain pan under.

and connector (3)

b. Using 3/4-inch box-end wrench,

unscrew and take off.

2.

Wheel cylinder (1)

Bleeder screw (4)

Using 7/16-inch box-end wrench,

unscrew and take out.

3.

Backing plate (5)

Two screws (6)

Using 9/16-inch socket and ratchet

and wheel

and Iockwashers (7)

handle with 1/2-inch drive, unscrew

cylinder (1)

and take out.

4.

Backing plate (5)

Wheel cylinder (1)

Take off.

and shield (8)

INSTALLATION

5.

Shield (8) and

Put in place

wheel cylinder (1)

4-106