Toro Groundsmaster 360 Service Manual page 465

Removing the Heater and Air Conditioning Evaporator Cores (continued)
Installing the Heater and Air Conditioning Evaporator Cores
Groundsmaster 360
16225SL Rev C
Loosening any air conditioning system fitting or component allows
the pressurized refrigerant to escape, causing possible injury.
Do not loosen any system fitting or component until a certified air
conditioning service technician discharges the system completely.
4. Have a certified air conditioning service technician evacuate the air
conditioning system.
5. Disconnect both the evaporator core swivel fittings from the front ports of the
expansion valve. Immediately install the caps on the tubes and expansion
valve ports to prevent moisture and contaminants from entering into the
system. Position the expansion valve with attached hoses away from the
mixing box.
6. For assembly purposes, label the heater hoses. Loosen the hose clamps
and disconnect both the heater hoses from the tubes on the heater core.
7. Remove the mixing box cover as follows:
A. Carefully use a small prybar to raise the head of the pin in the center of
each rivet that secures the mixing box cover.
B. Lift the rivets from the cover and mixing box.
C. Remove the mixing box cover.
8. Locate the wire from the freeze switch that is inserted into the air conditioning
evaporator core through the mount bracket cover. Carefully pull the wire from
the cover and position it away from the cover.
9. Remove the 5 screws (item 5 in
cover to the mount bracket. Lift the cover and position it away from the
mount bracket to ensure that you do not damage the freeze switch or wires
connected to the switch.
10. Carefully lift the heater and air conditioning evaporator core assembly from
the frame.
11. Separate the heater and air conditioning evaporator cores
cores are secured to each other with double sided tape (item 15 in
331).
12. Inspect the seals, gaskets, and insulation in the mixing box assembly for tears
or other damage. Replace all the sealing components that were damaged.
1. Assemble the heater and air conditioning evaporator cores
2. Carefully install the heater and air conditioning evaporator core assembly into
the frame in the mixing box.
Note: Do not damage the freeze switch or wires connected to the switch
during assembly of the mount bracket cover.
3. Position the mount bracket cover to the mount bracket. Secure the cover to
the mount bracket with the 5 screws (item 5 in
4. Insert the wire from the freeze switch into the air conditioning evaporator
core through the mount bracket cover.
Note: The wire should be inserted 51 mm (2 inches) through the cover.
5. Secure the cover to the mixing box assembly as follows:
CAUTION
Figure 331) that secure the mount bracket
Page 8–25
(Figure 331). The
Figure
(Figure 331).
Figure 331).
Operator Cab: Service and Repairs