TM-9-2320-272-10

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; OPERATOR'S MANUAL

SEPTEMBER 2004

CHANGE 2

TM-9-2320-272-10 - Page 306 of 481

TM 9-2320-272-10

2-197

2-29. PREPARATION FOR SHIPMENT (Contd)

e.

Exhaust Pipe Extension Removal and Installation.

WARNING

Do not touch hot exhaust system components with bare hands.

Injury to personnel may result.

(1)

Removal

(a)

Remove locknut (25) and screw (22) from muffler coupling clamp (21).

(b)

Remove muffler coupling clamp (21), gasket (24), and muffler exten-

sion (20) from muffler (23).

(c)

Install screw (22), locknut (25), muffler coupling clamp (21), and

gasket (24) on muffler extension (20).

(2)

Installation

(a)

Remove locknut (25) and screw (22) from muffler coupling clamp (21).

(b)

Remove muffler coupling clamp (21) and gasket (24) from muffler

extension (20).

(c)

Install muffler extension (20) and gasket (24) to muffler (23) with

screw (22), muffler coupling clamp (21), and locknut (25).

(d)

Rotate muffler exhaust extension (20) so that top points away from

cab (19). Tighten screw (22) and locknut (25) to seal muffler extension (20) to muffler

(23).

(e)

Start engine (para. 2-12) and check for exhaust leaks.

NOTE

Report removal and installation to unit maintenance to replace