Repairs at the unit
18. Slide the top of the piston (3) into the T-slot (9) on the slider
assembly (4).
19. Position the pump manifold (2) underneath the gear unit
housing and push up until it rests against the gear unit
housing.
20. Attach pump manifold (2) to the gear unit housing.
21. Screw pump manifold (2) tightly to gear unit housing.
22. Lubricate O-ring (Fig. 11, Item 6) between pump manifold (2)
and inlet valve housing with machine grease. Screw inlet valve
housing to the pump manifold.
23. Insert the elbow on the siphon assembly into the bottom of
the pusher stem housing. Push the retaining clip up into the
groove inside the foot valve housing to secure the siphon
assembly in position. Place the return tube over the return
tube fitting and secure with the clip.
24. Install front cover.
11.4
ProSpray 3.21 connection diagram
Blue
Switch
Blue
P/N 0522053
Ground
EMI Filter
Ground
Brown
P/N 0522052
Brown
Ground
Blue
GB
Power Cord
L.E.D.
Circuit
Breaker
White Gray
Red
Black
Black
PC Board
Pressure
Assembly
Transducer
34
Potentiometer
P/N 0516360
Red (+)
Red (+)
Motor
Black (-)
Black (-)
P/N 0516360
Capacitor Assembly
ProSpray 3.21