TM-9-2320-260-34-1

TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; VOLUME 1 OF 2

JULY 1994

TM-9-2320-260-34-1 - Page 260 of 657

TM 9-2320-260-34-1

3-71. FRONT GEAR COVER INSTALLATION

THIS TASK COVERS:

Installation

INITIAL SETUP

APPLICABI.E MODELS

MATERIALS/PARTS

All

Two lockwashers (Appendix D, Item 215)

TOOLS

Four lockwashers (Appendix D, Item 217)

Shims (Appendix D, Item 500)

General mechanic’s tool kit

(Appendix B, Item 1)

Gasket (Appendix D, Item 58)

Outside micrometer (Appendix B, Item 8)

REFERENCES (TM)

Feeler gage (Appendix B, Item 58)

TM 9-2320-260-20

TM 9-2320-260-34P-1

Screws securing front gear case cover are different lengths. Ensure

screws are installed in their proper places. Failure to do so may

result in damage to equipment.

Installation

1.

2.

3.

4.

5.

6.

Install new gasket (1) and front gear cover

(6)

on cylinder block (2) with fifteen screws (7), two

washers (10), new lockwashers (9), screws (8), four washers (3), new lockwashers (4), and screws (5).

Remove two screws (15), camshaft cover (14), spacer (11), and shim(s) (12) from front gear cover (6).

Place camshaft cover (14) against camshaft (13) and measure clearance between cover (14) and front

gear cover (6) with feeler gage.

Measure shim(s) (12) as a pack with micrometer. Add or subtract shim(s) (12) from pack to provide

a clearance of 0.001-0.005 in. (0.0254-0.127 mm) for engines with camshaft thrust plate or

0.008-0.013 in. (0.2032-0.3302 mm) for engines with camshaft outboard bearing support.

Install camshaft cover (14), spacer (11), and shim(s) (12) on front gear cover (6) with two

screws (15).

Remove dowel pins (refer to para, 3-33) from cylinder block (2).

3-208