Toro Groundsmaster 4100-D Service Manual page 317

To gain access to the heater core and air conditioning
components that are located above the cab headliner,
the roof panel can be loosened, raised and supported.
Removal (Fig. 3)
1. Park machine on a level surface, lower cutting
decks, stop engine, engage parking brake and remove
key from the ignition switch.
2. Remove four (4) flange head screws (item 1), flat
washers (item 2) and bushings (item 3) that secure roof
to front and rear coupling plates.
3. Carefully lift front of roof while leaving rear of roof
against headliner. Support front of roof in the raised
position to allow access to heater and air conditioning
components.
Installation (Fig. 3)
1. Make sure that all components in headliner and roof
are installed and secure.
2. Remove support and carefully lower roof into posi-
tion.
3. Secure roof to headliner with removed fasteners.
Groundsmaster 4110--D
4
1
11
10
1. Heater/evaporator assembly
2. Heater valve
3. A/C hose: evaporator to compressor
4. Air duct hose
5. A/C hose: compressor to condenser coil
6. A/C hose: condenser coil to drier
7. Heater hose: thermostat to heater valve
8. Heater hose: heater core to water pump
9. Heater hose: heater valve to heater core
10. Headliner
11. A/C hose: drier to evaporator
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Figure 4
Operator Cab
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