Toro 30821 Service Manual page 29

Muffler Removal (Fig. 11)
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 units,
stop engine, engage parking brake, and remove key
from the ignition switch.
2. Open engine hood to gain access to engine.
3. Remove exhaust guard from frame (if equipped).
4. Remove both flange head nuts and screws securing
the muffler plate to the muffler bracket (Fig. 12).
5. Remove four hex nuts and lock washers from the ex-
haust manifold studs. Separate muffler flange from the
exhaust manifold. Remove muffler from the machine.
6. Remove exhaust gasket. Replace gasket if dam-
aged or torn.
Muffler Installation (Fig. 11)
Note: Make sure muffler flange and exhaust manifold
sealing surfaces are free of debris or damage that may
prevent a tight seal.
1. Place exhaust gasket on the exhaust manifold.
IMPORTANT: Finger tighten all fasteners before se-
curing the muffler plate to the muffler bracket so
there is no preload on the exhaust manifold.
2. Position muffler flange to the exhaust manifold with
four lock washers and hex nuts.
3. Position muffler plate to the muffler bracket with both
flange head screws and nuts (Fig. 12).
4. Tighten muffler flange hex nuts and then muffler
plate screws and nuts.
5. Install exhaust guard to frame (if equipped).
6. Close and latch engine hood.
Groundsmaster 3500- D
4
1
1. Flange head nut
2. Flange head screw
Air Cleaner Removal (Fig. 11)
1. Park machine on a level surface, lower cutting units,
stop engine, engage parking brake, and remove key
from the ignition switch. Unlatch and raise hood.
2. Remove air cleaner components as needed using
Figure 11 as a guide.
Air Cleaner Installation (Fig. 11)
IMPORTANT: Any leaks in the air cleaner system
will cause serious engine damage. Make sure that
all air cleaner components are in good condition
and are properly secured during assembly.
1. Assemble air cleaner system using Figure 11 as a
guide.
A. When installing air cleaner, orientate the evacua-
tor valve on the air cleaner cover so that the valve is
pointing in a downward position.
B. Make sure that air cleaner hoses do not contact
the engine or exhaust system after assembly. To en-
sure clearance, move and/or rotate air cleaner body
in air cleaner strap if necessary.
2. After all air cleaner components have been installed,
lower and secure hood.
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2
3
Figure 12
3. Muffler plate
4. Muffler bracket
Kubota Diesel Engine (Rev. G)