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Rev. F
Groundsmaster 4000--D Page 3 -- 9 Kubota Diesel Engine (Rev. B)
Removal
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.
1. Park machine on a level surface, lower cutting units,
stop engine, engage parking brake, and remove key
from the ignition switch.
2. Remove muffler and/or muffler bracket from the en-
gine as necessary using Figure 5 as a guide.
Installation
IMPORTANT: If exhaust studs were removed from
engine cylinder head, t horoughly clean threads in
head and apply Loctite #277 (or equivalent) to stud
threads before installing studs into head.
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 may resultin prematuremuf-
fler failure.
2. Install muffler and/or muffler bracket to the engine
using Figure 5 as a guide. Hand tighten and then torque
the following fasteners from16 to 22 ft--lb (21to 29 N--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. Tailpipeshould haveequalclearancebetweenframe
and engine after installation.
Figure 6
1
2
3
4
Kubota
Diesel Engine