Toro 4100-D Installation Fig, Groundsmaster 4100--D 3 -- 7 Rev. a 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 deck, stop engine, apply parking brake and remove key from the ignition switch.

2.Raise and support hood.

3.Remove exhaust system components from the en- gine as necessary using Figure 5 as a guide.

Installation (Fig. 5)

B

E

C

D

A

Figure 6

Kubota Diesel Engine

IMPORTANT: If exhaust studs were removed from engine cylinder head, thoroughly 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 exhaust gasket if original gasket is dam- aged or torn.

IMPORTANT: Failure to follow the suggested muf- fler fastener sequence may result in premature muf- fler failure.

2.Install exhaust system components to the engine us- ing Figure 5 as a guide. Hand tighten exhaust system fasteners and then torque in the sequence shown in Fig.

6as follows:

A.Torque lock nuts used on rubber hanger cap screws 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.Torque flange nuts that secure muffler bracket to engine from 16 to 22 ft-lb (21 to 29 N--m).

E.Torque flange screws that secure exhaust mount to engine to 13 ft--lb (17.6 N--m).

3.Tailpipe should have equal clearance between frame and engine after installation.

4.Lower and secure hood.

Groundsmaster 4100--D Page 3 -- 7 Rev. A Kubota Diesel Engine