Heat Controller RAD-81A manual ElectricalParts, Motor, Overload Protector, Compressor, Disassembly

Disassembly

3. MOTOR

1.	Remove the cabinet.
2.	Remove the evaporator.
3.	Remove the orifice.
4.	Remove the blower.
5.	Remove the fan.
6.	Remove the control box cover and housing of the
	motor in the control box.
7.	Remove the 2 screws which fasten the motor from
	the mount motor. (See Figure 23)
8.	Remove the motor.
9.	Re-install the components by referring to the	Figure 23
	removal procedure, above.(See Figure 23)

ElectricalParts

1. OVERLOAD PROTECTOR

1. Remove the cabinet.

2. Remove the nut which fastens the terminal cover.

3. Remove the terminal cover. (See Figure 24)

4. Remove all the leads from the overload protector.

5. Remove the overload protector.

6. Re-install the component by referring to the removal procedure, above.

Figure 24

2.COMPRESSOR

1.Remove the cabinet.

2.Discharge the refrigerant system using a FreonTM

	Recovery System.
	If there is no valve to attach the recovery system,
	install one (such as a WATCO A-1) before venting
	the FreonTM. Leave the valve in place after
	servicing the system.
3.	Remove the overload protector.
4.	After purging the unit completely, unbraze the
	suction and discharge tubes at the compressor
	connections.
5.	Remove the 3 nuts and the 3 washers which
	fasten the compressor.
6.	Remove the compressor. (See Figure 25)	Figure 25

7.Re-install the components by referring to the removal procedure, above.

Service Manual 19