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18 ProSpray 3.34
GB
Repairs at the unit
12. Insert upper packing (Fig. 15) with O-ring (1) and
protruding lip (2) downward into the upper housing (6).
1
2
13. Place intermediate ring (Fig. 14, Item 10) on the upper
packing (8).
14. Screw threaded joint (Fig. 14, Item 7) into the upper
housing(6)andtightento34–41Nm.
15. Insert lower packing (Fig. 16) in such a way that the side
with the smaller distance between the O-ring (1) and the
protruding lip (2) faces upward.
1
2
16. Move the lower packing to the end position using the
installation tool.
17. Push installation tool (included in scope of delivery of the
upper packing as a transportation device) for the piston
(Fig. 14, Item 4) onto the piston from above.
18. Lubricate installation tool and piston (4) with machine
grease.
19. Push piston (4) through the lower and upper packings until
the upper end of the piston protrudes from the threaded
joint (7).
20. Remove installation tool from piston (4).
21. Replacetheupperhousing(6)backintotheuidsection
clamp on the gear housing. Make sure to slide the top of
the piston rod (4) into the T-slot (2) on the slider assembly
(3).
22. Push the lever on the underside of the unit toward the rear
ofthesprayertolocktheuidsectionbackintoplace.
23. Insert guide ring (11) into the lower housing (Fig. 13, Item
10) and screw lower housing into upper housing and
tighten.
24. Screw on and tighten connection hose.
25. Screw in inlet valve housing (Fig. 12, item 2), see Chapter
11.2, Item 13.
26. Screw on and tighten suction tube.
27. Fasten return hose with clamp at suction tube.
28. Install front cover.
11.4 ProSpray 3.34 connection diagram
LOAD
LINE
EMI Filter
Switch
White
Black
Black
White
White
Red
Black
Black
Red
Red (+)
Black (-)
Black
Power Cord
Ground
Capacitor
Surge suppressor
Motor controller
Pressure sensor
L.E.D.
Hall sensor
Fuse block
Fuse
Potentiometer
Motor
Display wire
assembly