EXHAUST SYSTEM UNUSUALLY NOISY OR VIBRATES EXCESSIVELY DURING ENGINE OPERATION

TM 9-2320-366-20-1

c1. EXHAUST SYSTEM UNUSUALLY NOISY OR VIBRATES EXCESSIVELY DURING ENGINE

OPERATION

INITIAL SETUP

Tools and Special Tools

Equipment Conditions

Engine shut down (TM 9-2320-366-10-1).

Tool Kit, Genl Mech (Item 46, Appendix C)

Cab raised (TM 9-2320-366-10-1).

Goggles, Industrial (Item 15, Appendix C)

START

WARNING

Read WARNING

KNOWN INFO

TEST OPTIONS

on following page.

Nothing

Visual Inspection

Are the tailpipe, muffler,

POSSIBLE PROBLEMS

REASON FOR QUESTION

exhaust junction to

muffler pipe, exhaust pipe

Loose or leaking tailpipe,

Engine may operate with

bracket assembly(s),

muffler, exhaust junction to

excessive noise or vibration if

engine to junction

muffler pipe, exhaust pipe

tailpipe, muffler, exhaust

exhaust pipe, and loop

bracket assembly(s), engine to

junction to muffler pipe,

clamp halves secure and

junction exhaust pipe, or loop

exhaust pipe bracket

free from damage?

clamp halves. Loose or leaking

assembly(s), engine to junction

exhaust manifold.

exhaust pipe, or loop clamp

halves are loose or damaged.

Tighten connection(s) or replace leaking or

YES

damaged component(s) (para 5-2 thru 5-4).