Washtech CD 200 ST, Service Manual, Page: 20 / 41

Pre-Wash Pump
Part Number
3904
Function
Pumps water from the pre-wash tank to the pre-wash arms providing a
recirculating pre-wash cycle.
Description
Electric Pump FIR
Power: HP 1 Kw 0.73
Voltage: 240 V
Frequency: 50 Hz
Speed: 2750 rpm
Amperes: 4.1 A
Capacitor: 12.5 uF / 450 V
Diagram
Replacement
Switch off the power and drain the tank.
Disconnect the wires from the pump electrical connector and the pump capacitor.
Remove M6 bolts that fasten the pump to the floor of the machine.
Release the hose clamps on the inlet and outlet pump hoses and remove the pump.
Replace in reverse order.
ITEM DESCRIPTION PART NO:
1 Pump 3904
2 Volute Back 39045
3 Seal 0802
4 Impellor 39042
5 Gasket 39046
6 Volute 39044
Service Manual CD200L 6SD AS(S) 20 Revision 1A