TOPIC 1. EXHAUST SYSTEM

TM 10-3930-644-14&P

TOPIC 1. EXHAUST SYSTEM

A. DESCRIPTION

operating noise at a low level, but because of the danger

of randomly escaping gas.

The purpose of the exhaust system is to safely and

quietly channel the exhaust gases from the engine to the

B. INSPECTION

rear of the truck where the gases are vented into the air.

The following components make up the typical exhaust

1. Inspect muffler and exhaust and tail pipes

system, the exhaust pipe, muffler, tail pipe and the

carefully for any holes, fractures or corrosion.

attaching capscrew and clamp hardware items (Figures

Replace. defective component immediately.

1-1, 1-2, and 1-3).

2. Inspect each component juncture for security

After combustion has occurred within the engine, the

and tightness of connection.

exhaust gases are released from the combustion

chamber via the exhaust valves. From here, the gases

3. Ensure that all components of exhaust system

are channeled through the exhaust manifold to the

are properly clamped to the truck frame.

attaching exhaust pipe.

C. REMOVAL

The exhaust pipe carries the gases to the muffler which

is so constructed as to greatly reduce the engine

When it becomes necessary to replace any or all or the

combustion noises and to entrap any glowing particles

exhaust system components, the following procedure is

that might be suspended in exhaust gas.

recommended:

The exhaust gases leave the muffler and are vented at

1. Remove left hand side engine panel and raise

the rear end of the truck via the tail pipe.

left side of truck to gain access to muffler

location. ACP Series require removal of rear

It is very important that the exhaust system remains tight

grille.

and in good repair not only to keep

R-160-2

3-113