Toro Groundsmaster
4000?D Service Manual page 23

PRELIMINARY – For Toro Distributor and Toro Company use only.
Removal
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
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. Tailpipe should have equal clearance between frame
and engine after installation.
Groundsmaster 4000−D
CAUTION
Page 3 − 7
3
2
4
1
Figure 6
Kubota Diesel Engine