TM 9-2330-238-14
4-72. EXHAUST SYSTEM REPLACEMENT.
This Task Covers:
a.
Removal (M313)
Removal (M749 Southwest Model VRP)
b.
Installation (M313)
Installation (M749 Southwest Model VRP)
c.
Removal (M447 M447C, and M750)
g.
Removal (M749 Converto Model 8929)
d.
Installation (M447, M447C, and M750)
h.
Installation (M749 Converto Model 8929)
Initial Setup:
Materials/Parts:
Materials/Parts (Con’t) :
l M313
l M749 Converto Model 8929
– One seal
– Four seals
– Six Iockwashers
– Twenty Iockwashers
l M447, M447C, and M750
–Two self-locking nuts
Tools/Test Equipment:
– Four preformed packings
– Sixteen Iockwashers
. General mechanic’s tool kit
• M749 Southwest Model VRP
– One Iockwasher
WARNING
Exhaust system may be hot. Allow exhaust system to cool before replacing. Failure to
follow this warning can result in serious burns to personnel.
a.
REMOVAL (M313)
1.
2.
3.
4.
5.
Remove eight screws (5) from two clamps (6) on
exhaust pipe (3) and bonnet.
Remove exhaust pipe (3) and two clamps (6) from
exhaust pipe (7) and bonnet.
Remove two screws (4), Iockwashers (2), nuts (1),
and clamps (6) from exhaust pipe (3). Discard
Iockwashers.
Remove four screws (10), Iockwashers (9), and
seal (8) from bonnet. Discard seal and lock-
washers.
Remove exhaust pipe (7) from heater.
TA702048
4-176
