Service Manual

Groundsmaster 4500--D/4700--D Page 3 -- 7 Kubota Diesel Engine (Rev. A)

Removal

CAUTION

The muffler and exhaust pipe may be hot. To

avoid possible burns, a llow 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

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 result in premature muf-

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 from 16 to 22 ft--lb (21 to 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. Adjust tailpipe so it has equal clearance between

frame and engine before tightening muffler clamp.

Figure 6

Kubota

Diesel Engine