Heater/Evaporator Assembly - Toro Groundsmaster 4000-D Service Manual

Heater/Evaporator Assembly

12
1. Heater/evaporator assembly
2. Top cover
3. Flange head screw (2 used)
4. Drier- -receiver mount
5. Bottom cover
6. Hose clamp (2 used)
Removal (Fig. 7)
1. Park machine on a level surface, lower cutting
decks, stop engine, engage parking brake and remove
key from the ignition switch.
2. Remove fasteners that secure roof in place. Raise
and support roof to allow access to heater/evaporator
assembly (see Roof Assembly in this section).
3. Disconnect wire harness connectors from fan motor
and binary switch on drier--receiver.
4. Read the General Precautions for Removing and
Installing Air Conditioning System Components at the
beginning of the Service and Repairs section of this
chapter.
Operator Cab
10
1
15
14
13
7. Speed nut (8 used)
8. Panel nut (4 used)
9. Drier- -receiver assembly
10. Screw (8 used)
11. Screw (4 used)
2
16
11
7
8
5
Figure 7
The air conditioning system is under high pres-
sure. Do not loosen any system fitting or compo-
nent until after the system has been completely
discharged by a certified A/C service technician.
5. Have refrigerant evacuated from air conditioning
system by a certified A/C service technician.
6. Label and remove hoses from heater core, evapora-
tor and drier--receiver. Immediately cap hoses and fit-
tings to prevent moisture and contaminants from
entering the system.
Page 9 - - 10
12
9
13
6
4
3
12. Blower fan assembly
13. Expansion valve
14. Freeze switch
15. Screw (2 used)
16. Screw (12 used)
CAUTION
Groundsmaster 4010--D