Toro Groundsmaster 5900 Series Service Manual page 513

Removal (Figure 354) (continued)
Groundsmaster ® 5900 & 5910
16227SL Rev B
The air conditioning system is under high pressure. Do not loosen
any system fitting or component until after the system has been
completely discharged by a certified A/C service technician.
4. Have refrigerant evacuated from air conditioning system by a certified A/C
service technician.
5. Disconnect both evaporator core swivel fittings from front ports of expansion
valve. Immediately cap tubes and expansion valve ports to prevent moisture
and contaminants from entering the system. Position expansion valve with
attached hoses away from the mixing box.
6. Label heater hoses for assembly purposes. Loosen hose clamps and
disconnect both heater hoses from tubes on heater core.
7. Remove mixing box cover:
A. Carefully use a small pry−bar to raise head of pin in center of each rivet
that secures mixing box cover.
B. Lift rivets from cover and mixing box.
C. Remove mixing box cover.
g299936
1. Freeze switch
2. MIN terminal (violet)
3. Terminal 2 (brown)
8. Note location of wire harness connectors on freeze switch and blower fan
assembly (Figure 355). Disconnect wire harness connectors from switch
and fan.
9. Carefully raise heater core/AC evaporator assembly with attached blower
fan from mixing box.
10. Remove six (6) screws that secure blower fan to heater core/AC evaporator
assembly. Remove blower fan.
CAUTION
Figure 355
4. Terminal 3 (orange)
5. Ground terminal (black)
Page 9–27 Operator Cab : Service and Repairs