TM-9-2320-280-34

TRUCK, UTILITY: M998 SERIES

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

JANUARY 1996

TM-9-2320-280-34 - Page 899 of 1258

TM 9-2320-280-34

Change 1

1 7 - 1 1 5

1 7 - 2 6 . FRONT SERVO REPAIR (4L80-E)

Equipment Condition

Transmission disassembled into subassemblies

(para. 17-14).

Maintenance Level

General support

This task covers:

a.

Disassembly

c.

Inspection

b.

Cleaning

d.

Assembly

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.

c. Inspection

1.

Coat seal (2) with oil soluble grease and install seal (2) on piston (3).

2.

Install pin (1) on piston (3) and secure with spring retainer (4).

d. Assembly

1.

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

2.

Remove seal (2) from piston (3).

a. Disassembly

b. Cleaning

Clean all components in accordance with para. 2-13.

INITIAL SETUP:

Appblicable Models

M997A2, M1025A2, M1035A2,

M1043A2, M1045A2, M1097A2, M1123

Tools

General mechanic’s tool kit:

automotive (Appendix G, Item 1)

Manual References

TM 9-2320-280-24P

NOT E

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

dirt and dust.