Toshiba HWS-803XWHM3-E Service Manual page 159

No. Exchange parts name
12 Pump
Work procedure
To replace a water circuit part, first close the water
supply source valve and the valve of water pipe
connected to the hydro unit.
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
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
37595721
1) Attach a new pump in the reverse order of the
removal.
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.
Service parts
Packing
158
Remarks
Nut
Pump
Nut
Pump fixing board
Pump
fixing
board