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 beforeworking on the muf-
fler.
1. Parkmachine on alevel 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: Makesure mufflerflange andexhaustmanifold
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-
flerfastenersequencemayresultinprematuremuf-
fler failure.
2. Install muffler and/or muffler bracket to the engine
usingFigure5as aguide. Handtighten andthentorque
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. Flangeheadscrews that securemufflerflangeto
engine.
D. Flange nuts that secure muffler bracket to en-
gine.
3. Tailpipeshouldhaveequalclearancebetweenframe
and engine after installation.
Figure 6
1
2
3
4
Kubota
Diesel Engine
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