Removal (Fig. 5)
F
CAUTION
B
The muffler and exhaust pipe may be hot. To
avoid possible burns, allow the engine and ex-
haust system to cool before working on the muf-
fler.
D
C
1.
Park machine on a level surface, lower cutting
decks, stop engine, engage parking brake and remove
key from the ignition switch.
A
2.
3.
Raise and support hood.
Remove muffler and/or muffler bracket from the en-
E
gine as necessary using Figure 5 as a guide.
Installation (Fig. 5)
Figure 6
NOTE: Make sure muffler flange and exhaust manifold
sealing surfaces are free of debris or damage that may
prevent a tight seal.
1.
Install new exhaust gasket if original gasket is dam-
aged or torn.
IMPORTANT: Failure to follow the suggested muf-
fler fastener sequence mayresult inpremature muf-
fler failure.
2.
ing Figure 5 as a guide. Hand tighten exhaust system
fasteners andthentorque inthe sequence shown inFig.
Installexhaust systemcomponents totheengineus-
6
as follows:
A. Torque flange nuts that secure muffler bracket to
engine from 16 to 22 ft--lb (21 to 29 N--m).
B. Torque flange nuts that secure muffler to muffler
bracket from 16 to 22 ft--lb (21 to 29 N--m).
C. Torque flange head screws that secure muffler
flange to engine from 16 to 22 ft--lb (21 to 29 N--m).
D. Torque flange screws that secure exhaust mount
to engine to 13 ft--lb (17.6 N--m).
E. Torque lock nuts used on rubber hanger cap
screws from 16 to 22 ft--lb (21 to 29 N--m).
F. Tighten muffler clamp nuts.
3.
Tailpipeshouldhaveequalclearancebetweenframe
and engine after installation. Also, make sure that clear-
ance exists between tailpipe and engine motor mount
bracket.
Groundsmaster 4500--D/4700--D
Page 3 -- 7
Kubota Diesel Engine
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