Toshiba RAV-SP564AT-E, RAV-SP804ATZG-E, RAV-SP804ATZ-E service manual 146, Drain pump, 1. Detachment

No. Part name Procedure Remarks

9Drain pump, 1. Detachment

Float switch,	1)	Perform works in procedures 1. of 2 , 1. of 3 ,	Drain hose
Drain hose
		1. of 8 .	Hose band
	2)	Disconnect lead wires which are connected to	Drain pump
		the following connectors of P.C. board assembly.

NOTE)

Unlock locks of the housing to remove the connectors.

CN34 : float SW (3P: Red)

CN504 : Drain pump lead (2P: White)

3)Loosen hose band, remove cap of the drain hose, and take off screws while holding drain pump. Remove them with care that pipes are not damaged. (Ø4 × 10, 3 pcs)

4)Take off screws while holding metal on float switch.

Remove them with care so that pipes are not	Float switch
damaged. (Ø4 × 10, 1 pc)

NOTE)

If the pipes are damaged, refrigerant leak may be caused. Take out them with great care.

2.Attachment

1)Attach ASSY sheeting metal which was removed in procedure 1. 3) of 9 with care that pipes are not damaged, and then fix it with screws.

2)Insert the drain hose into the inlet of drain pump, and then fix it with hose band. Arrange handle of the hose band at contrary side of heat exchanger side and at direction remote from drain pan assembly.

3)Carry out wiring as before, and then perform work of procedure 2. of 8 .

	NOTE)
	Finally check whether they correctly operate or not.
10 Evaporator	1. Detachment
assembly	1) Recover refrigerant, and then remove refriger-
	ant pipes at indoor unit side.

2)Perform works of procedures 1. of 2 , 1. of 3 , 1. of 8 .

Remove sensors.

3)Take off screws of the pipe holder, and remove the pipe holder. (Ø4 × 10, 2 pcs)

4)Take off screws of the heat exchanger support board (Pipe side), and remove the heat exchanger support board

(Pipe side). (Ø4 × 10, 4 pcs)	Pipe holder
5) Take off screws of the heat exchanger support
	Heat exchanger support board
board (Opposite side) which fixes terminal
block of the evaporator assembly.	(Pipe side)
(Ø4 × 10, 2 pcs)

6)Remove the evaporator assembly.

2.Attachment

1) Fasten the parts as before in order, Evaporator

assembly → Pipe holder →	Set sensors
→ Drain pan assembly →	Under panel.

2)Connect the refrigerant pipe as before, and then perform vacuuming.

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