Pressure Control Repair
Motor Control Board
For these models and series only: 232900 A, B, C, D, E
232901 A, B, C, D
233797 A, B, C, D
233815 A, B, C, D
232903 A, B
232906 A, B
Installation
1.Clean pad on rear of motor control board. Apply small amount of thermal compound 073019 to pad.
2.Fig. 10. Install motor control board (35) with five screws (36).
Removal
Refer to Fig. 10 and 11, 13 or 14 depending on sprayer voltage.
1. | Relieve pressure; page 6. |
|
3.Connect to motor control board (35): D Lead (E) to transducer.
DLead (D) to potentiometer.
DTwo line voltage leads.
2.Remove four screws (18) and cover (39).
3.Disconnect at motor control board (35):
DFilter board (X) (not 120 Vac sprayers).
DFour motor leads: two yellow, black
DTwo line voltage leads.
DLead (D) from potentiometer.
DLead (E) from transducer.
4.Remove five screws (36) and circuit board (35).
DFour motor leads: two yellow, black
DFilter board (X) (not 120 Vac sprayers).
4.Bundle and tie all loose wires so none lay in con- tact with inductor coil on filter board (not 120 Vac sprayers). See Wiring Diagram CAUTION, Fig. 13 or 14.
5.Install cover (39) with four screws (18).
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