TM 10-4320-344-24
2.13.1 Muffler Maintenance, Model 609-A. (Continued)
a .
Remove nut (Figure 2-28,
1), bolt (2) and protective cap assembly (3) from
muffler exhaust outlet (4).
b .
Remove two nuts (5), lock washers (6), clamp (7), and U-bolt (8) from muffler
intake sleeve (9).
Discard lock washers (6).
c .
Remove nut (10), bolt (11), and exhaust muffler body (12) from loop
clamp (13).
d.
Remove two retaining clamp mounting nuts (14), lock washers (15), screws (16)
and loop (13).
Discard lock washers (15).
e .
Remove two nuts (17), lock washers (18), screws (19), mounting bracket (20),
and mending plate (21).
Discard lock washers (18).
2.13.1.2 Inspection.
Inspect protective cap assembly (3), exhaust muffler (12), and
all mounting hardware for damage.
2.13.1.3 Repair.
Replace all defective components.
2.13.1.4 Installation.
a.
Position mending plate (21) and mounting bracket (20) and secure with two
screws (19), new lock washers (18), and nuts (17).
b .
Position loop clamp (13) on mounting bracket (20) and secure with two
screws (16), new lock washers (15), and nuts (14) .
Before installing muffler, remove any obstructions
sleeves on exhaust muffler body.
Damage to engine
c .
Position exhaust muffler (12) in loop clamp (13)
sleeve (9) on exhaust pipe.
from intake and exhaust
may result.
and mount muffler intake
Do not over tighten nut on loop clamp.
Damage to exhaust muffler body may
r e s u l t .
d.
Secure loop clamp (13) with bolt (11) and nut (10).
e.
Position U-bolt (8) around muffler intake sleeve (9) and secure with clamp
(7), two new lock washers (6), and nuts (5).
When installing protective cap assembly, make sure cap arm is positioned to
allow full limit of travel, or exhaust may not be properly vented.
Damage to
engine may result.
f .
Position protective cap assembly (3) on muffler exhaust outlet (4) and secure
with bolt (2) and nut (1).
2-82
