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 256 of 657

TM 9-2320-260-34-1

3-67. INTAKE MANIFOLD INSTALLATION

THIS TASK COVERS:

Installation

INITIAL SETUP

APPLICABLE MODEIS

MATERIALS/PARTS

All

Nine lockwashers (Appendix D, Item 217)

Three gaskets (Appendix D, Item 105)

TOOLS

General mechanic’s tool kit

REFERENCES (TM)

(Appendix B, Item 1)

TM 9-2320-260-20

Torque wrench, 318-in. dr.

(Appendix B, Item 4)

TM 9-2320-260-34P-1

Installation

NOTE

Screw-assembled lockwashers are used to install intake manifold

on Cummins NHC-250 engines built after S/N 10448850.

1.

Install three new gaskets (3), intake manifold (4), and two clamps (10) on cylinder heads (2) with

nine washers (5), new lockwashers (7), and screws (6). Tighten screws (6) 20 lb-ft (27 Nom).

2. Connect air inlet tube (9) to intake manifold outlet (8) with clam (1).

FOLLOW-ON TASKS: l Install glow plug and preheater nozzle (TM 9-2320-260-20).

l Remove engine from repair stand (para. 3-75).

3-204