Removal
3
CAUTION
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.
2
4
1.
Park machine on a level surface, lower cutting units,
stop engine, engage parking brake, and remove key
from the ignition switch.
2.
gine as necessary using Figure 5 as a guide.
Remove muffler and/or muffler bracket from the en-
1
Installation
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 gasket if original gasket is damaged or
torn.
IMPORTANT: Failure to follow the suggested muf-
fler fastener sequence mayresult inpremature muf-
fler failure.
2.
Install muffler and/or muffler bracket to the engine
using Figure 5 as a guide. Hand tighten and then torque
thefollowingfastenersfrom16to22ft--lb(21to29N--m)
in the sequence listed (Fig. 6):
A. Locknuts used on rubber hanger cap screws.
B. Flange nuts that secure muffler to muffler brack-
et.
C. Flange head screws that secure muffler flange to
engine.
D. Flange nuts that secure muffler bracket to en-
gine.
3.
frame and engine before tightening muffler clamp.
Adjust tailpipe so it has equal clearance between
Groundsmaster 4500--D/4700--D
Page 3 -- 7
Kubota Diesel Engine (Rev. A)
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