TM 30-4320-344-24
2.13.3 Muffler Maintenance. Model US636HCCD-1.
This task covers:
2.13.3.1
Removal
2.13.3.3
Repair
2 .
13 . 3 . 2 I n s p e c t i o n
2 .
13 . 3 . 4 I n s t a l l a t i o n
INITIAL SETUP
Tools
Equipment Conditions
General Mechanic’s Automotive
Pumping station shut down, TM
Tool Kit, Appendix B, Section
10-4320-344-10.
III. Item 1
Material/Parts
General Safety Instructions
To prevent rolling or sliding, do not work
Lock Washers (TM 10-4320-344-24P)
on equipment that is not securely
s t a b i l i z e d.
Do not work on equipment without following
standard shop safety precautions.
2.13.3.1 Removal.
a .
Remove nut (Figure 2-30, 1), bolt (2), and protective cap assembly (3) from
exhaust elbow pipe (4) .
b .
Remove two nuts (5), clamp (6), U-bolt (7), and exhaust elbow pipe (4) from
exhaust muffler (8).
c .
Remove two nuts (9), clamp (10), and U-bolt (11).
d.
Remove two nuts (12), lock washers (13), and bolts (14) from two loop
clamps (15). Discard lock washers (13).
e .
Carefully remove exhaust muffler (8) from manifold exhaust pipe (16) and two
loop clamps (15).
f .
Remove two bolts (17), lock washers (18), and loop clamps (15). Discard lock
washers (18).
g .
Remove two screws (20), lock washers (21), and two weldment braces (19).
Discard lock washers (21).
2.13.3.2 Inspection.
a .
Inspect exhaust muffler (8) for holes, cracks, or burned out internal
components.
b .
Inspect all mounting hardware for damage.
2.13.3.3 Repair. Replace all defective components.
2.13.3.4 Installation.
a.
Place two weldment braces (19). on flywheel cover and secure with two new
lock washers (21) and screws (20).
b.
Position two loop clamps (15) on weldment braces (19) and secure with two new
lock washers (18) and bolts (17).
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