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 271 of 1258

4 - 5 . S E RVO ADVANCE SEAL REPLACEMENT

This task covers:

a.

Removal

b.

Installation

INITIAL SETUP:

Tools

General mechanic’s tool kit:

automotive (Appendix G, Item 1)

Modified box wrench (Appendix C, Fig. 18)

Materials/Parts

Servo advance seal (Appendix E, Item 168)

Seal (Appendix E, Item 148.1)

Manual Refere n c e s

________________

TM 9-2320-280-20

TM 9-2815-237-34P

Equipment Condition

_________________

Kick-down switch removed (TM 9-2320-280-20).

Maintenance Level

________________

Direct Support

a. Removal

b. Installation

TM 9-2320-280-34

4 - 6

Change 1

1.

Install servo advance seal (5) on piston plug nut (6).

2.

Install piston plug nut (6) on fuel injection pump (4) with modified box wrench.

3.

Install seal (6.1), plunger (7), and rocker lever (3) on piston plug nut (6) with setscrew (8).

4.

Install rocker lever (3) on fuel injection pump (4) with pin (1) and two retaining rings (2).

1.

Remove two retaining rings (2) and pin (1) from rocker lever (3) and injection pump (4).

2.

Remove setscrew (8), rocker lever (3), plunger (7), and seal (6.1) from piston plug nut (6).

Discard

seal (6.1).

3.

Using a modified box wrench, remove piston plug nut (6) from fuel injection pump (4).

4.

Remove servo advance seal (5) from piston plug nut (6). Discard seal (5).