Toro 3550-D Lawn Mower User Manual


 
Reelmaster 3550−D Page 3 − 13 Kubota Diesel Engine
Removal (Fig. 8)
1. Park machine on a level surface, lower cutting units,
stop engine, engage parking brake, and remove key
from the ignition switch.
2. Open and remove engine hood from the machine.
Slide seat all the way forward.
3. Disconnect air hose from the air cleaner and radiator.
Remove air cleaner assembly from the engine.
4. Disconnect both battery cables at the battery (see
Battery Service in Chapter 5 − Electrical System).
5. Remove muffler from the exhaust manifold and muf-
fler bracket (see Muffler Removal in this Chapter).
6. Drain radiator from the drain cock valve into a suit-
able container (see Radiator Removal in this Chapter).
Disconnect coolant hoses from the water pump and en-
gine block.
7. Remove coolant expansion tank and bracket from
the top fan shroud. Remove top fan shroud from the ra-
diator (see Radiator Removal in this Chapter).
8. Disconnect wire harness and electrical wires from
the following:
A. Battery, wire harness and engine grounds
(Fig. 9).
B. Glow plug bus (Fig. 10) and fuel stop solenoid.
C. Engine temperature sensor, alternator, and low
oil pressure switch (Fig. 11).
9. Disconnect throttle cable from the support and swiv-
el on the speed control lever (Fig. 9).
10.Disconnect fuel hose from the fuel pump (Fig. 9) and
front injector nozzle.
11.Remove traction control cable from the neutral arm
assembly on the piston pump. Remove all hydraulic
hoses from the piston and gear pumps (see Piston
Pump Removal in Chapter 4− Hydraulic System).
12.Remove cable ties securing the wire harness to the
front lift tab and other engine parts. Connect hoist or lift
to the front and rear lift tabs (Fig. 10).
Figure 9
1. Battery ground cable
2. Wire harness ground
3. Throttle cable
4. Support bracket
5. Speed control lever
6. Fuel hose
6
5
3
2
1
4
Figure 10
1. Glow plug wire
2. Rear injector nozzle
3. Fuel hose
4. Lift tab
3
4
2
1
Figure 11
1. Engine temp. sensor
2. Alternator
3. Oil pressure switch
1
2
3
Kubota
Diesel Engine