TM-9-2320-387-24-2

TRUCK, UTILITY: S250 SHELTER CARRIER, 4X4, M1113

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE, VOLUME 2

DECEMBER 1997

CHANGE 1

TM-9-2320-387-24-2 - Page 1106 of 1555

TM

9-2320-387-24-2

28-15.

FRONT SERVO REPAIR

This

task covers:

a. Disassembly

b. Cleaning

INITIAL

SETUP:

Tools

General mechanic’s tool kit:

automotive (Appendix B, Item 1)

Materials/Parts

Transmission fluid (Appendix C, Item 37)

Manual References

TM 9-2320-387-24P

c. Inspection

d. Assembly

Equipment Condition

Transmission disassembled into subassemblies

(para. 28-3).

Maintenance Level

General support

NOTE

Work area should be well-ventilated, clean, and free from blowing

dirt and dust.

va.Disassembly

1.

Remove spring retainer (4) and piston (3) from pin (1).

2.

Remove seal (2) from piston (3).

[I

Clean all components in accordance with para. 2-14.

vc.Inspectionl

1.

Inspect front servo piston (3) for cracks and broken seal groove. Replace if damaged.

2.

Inspect piston pin (1) for cracks, bends, and damaged snapring groove. Replace if damaged.

3.

Inspect spring (5) for breaks and distortion. Replace if damaged.

[I

1.

Coat seal (2) with transmission fluid (Dexron@ III) and install seal (2) on piston (3).

2.

Install pin (11 on piston (3) and secure with spring retainer (4).

’

28-57