Groundsmaster 4500--D/4700--D Page 3 -- 7 Kubota Diesel Engine
Removal (Fig. 5)
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
decks, stop engine, engage parking brake and remove
key from the ignition switch.
2. Raise and support hood.
3. Remove muffler and/or muffler bracket from the en-
gine as necessary using Figure 5 as a guide.
Installation (Fig. 5)
NOTE: Make sure mufflerflangeand exhaustmanifold
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-
flerfastenersequencemayresultinprematuremuf-
fler failure.
2. Installexhaustsystemcomponentstotheengineus-
ing Figure 5 as a guide. Hand tighten exhaust system
fastenersandthentorqueinthesequenceshowninFig.
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. Torqueflange screws thatsecure 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 t o 29 N--m).
F. Tighten muffler clamp nuts.
3. Tailpipeshouldhaveequalclearancebetweenframe
andengineafterinstallation.Also,makesurethatclear-
ance exists between tailpipe and engine motor mount
bracket.
Figure 6
B
A
C
E
D
F
Kubota
Diesel Engine
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