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Groundsmaster 5910 Operator CabPage 9 -- 9
To gain access to the heater core and air conditioning
components that are locatedunderthe cab roof, theroof
panel can be loosened, raised and supported.
Removal (Fig. 4)
1. Park machine on a level surface, lower cutting
decks, stop engine, engage parking brake and remove
key from the ignition switch.
2. Remove two (2) screws (item 2), flat washers (item
3) and bushings (item 4) that secure the rear of the roof
to the roof mount.
3. Remove the cap screw (item 15) and rubber washer
(item 14) that secure the front of the roof.
4. Remove four (4) hex nuts (item 16), flat washers
(item 3) and bushings (item 4) that secure roof to front
and rear fasteners.
5. 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. 4)
1. Make sure that all components in headliner and roof
are installed and secure.
2. Remove support and carefully tilt roof into position.
3. Secure roof to headliner with all removed fasteners.
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
6. A/C hose: condenser 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. Condensation drain hose (2 used)
11. A/C hose: drier to evaporator
Figure 5
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1
3
4
7
8
6
5
9
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11
1. Heater evaporator
2. Air duct hose
3. Drain hose
4. Drier--receiver
Figure 6
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2
4
3
3
Operator
Cab