Toshiba MMU-UP0051MH-E(TR) Service Manual page 163

No. Part name
1. Detachment
Drain
pump
1) Perform work of procedure 1. of
2) Remove clamps of the lead wires connected to the
following connectors of the control P.C. board.
NOTE
Be sure to unlock the lock of the housing before removing
the connector.
CN504 : Drain pump (2P: White)
3) Pick the hose band and shift band from pump
connecting part to remove the drain hose.
4) Take off screws fixing the drain pump assembly.
(M 4 × 8, 3 pcs)
5) Pull out the drain pump assembly toward discharge
side to remove it.
2. Attachment
1) Fix the drain pump assembly as before.
2) Connect the drain hose and attach the hose band.
NOTE
Insert the drain hose completely up to the end of the pump
connecting part, and then attach band at the white mark
position of the hose.
3) Insert the connectors to the control P.C. board as
before.
4) Fix parts as before in order of Drain cap
1. Detachment
Float
switch
1) Perform work of procedure 1. of
2) Remove clamps of the lead wires connected to the
following connectors on the control P.C. board.
NOTE
Be sure to unlock the lock of the housing before removing
the connector.
CN 34 : Float switch (3P: Red)
3) Remove the float switch fixture. (M 4 × 10, 1 pcs)
4) Remove the binding band fixing wires
5) Loosen the nut fixing float switch to remove the float
switch.
Procedure
Ceiling panel Electric parts cover
Air intake grille.
.
Drain pan
Adjust cover
.
– 163 –
Remarks
CN504 : Drain pump
CN34 : Float switch
Shift the band toward hose side.
Hose band
Drain pump
fixing screw
The fixing screw
Binding
for float switch
band
fixtures
Float
switch
Loosen
nut