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Toshiba
12 Pump
1.How to remove
1)Perform the step 1-1, step 5, 6, and 10.
2)Remove the fixed screws of the pump fixing board.
(ST1T Ø4 × 8, 2 screws)
3)Remove the 2 nuts of the heater connection and the
lower side of the pump.
4)Remove the pump fixing board.
(ST3T Ø6 × 16, 2 screws)
5)Remove the nut of the upper part of the pump.
2.How to attach
1)Attach a new pump in the reverse order of the
removal.
No.
Exchange parts name
Work procedure Remarks
To replace a water circuit part, first close the water
supply source valve and the valve of water pipe
connected to the hydro unit.
The pump connection uses a liquid packing for
water seal. When replacing the pump, use a
packing which was slathered with the liquid gasket.
Part code Service parts
37595721 Packing
37595722 Liquid gasket
After the pump replacement repair, open the water
supply source valve and water piping valve to pass
water through the hydro unit, and check that the
pump connection has no water leakage.
Pump
fixing
board
Pump fixing board
Nut
Nut
Pump
+00A09-002_01EN_SVM_ALL_Air_to_Water.book Page 132 Monday, October 5, 2009 2:09 PM