ProSpray 30 • 34
g
Repairs at the unit
11. Remove the transportation devices from the upper
and lower packings. (The transportation device from
the upper packing is required for installation of the
piston.)
12. Lubricate upper packing (8) and lower packing (9)
with machine grease.
13. Insert upper packing (Fig. 17) with O-ring (1) and pro-
truding lip (2) downward into the upper housing (6).
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2
5
7
10
8
6
9
11
4
3
2
1
14. Place intermediate ring (Fig. 16, Item 10) on the up-
per packing (8).
15. Screw threaded joint (Fig. 16, Item 7) into the upper
housing (6) and tighten to 34 – 41 Nm.
16. Insert lower packing (Fig. 18) in such a way that the
side with the smaller distance between the O-ring (1)
and the protruding lip (2) faces upward.
17. Move the lower packing to the end position using the
installation tool.
18. Push installation tool (included in scope of delivery of
the upper packing as a transportation device) for the
piston (Fig. 16, Item 4) onto the piston from above.
19. Lubricate installation tool and piston (4) with machine
grease.
20. Push piston (4) through the lower and upper pack-
ings until the upper end of the piston protrudes from
the threaded joint (7).
21. Remove installation tool from piston (4).
22. Screw lock nut (5) at the upper housing (6) until it
touches.
23. Lubricate the threading of the upper housing (6) with
machine grease.
Remove upper housing from the vice.
24. Screw upper housing (6) into the gear unit housing.
Insert connection pin (2) into the connecting rod (3)
and piston (4) and secure with the retaining ring (1).
25. Screw upper housing (6) into the gear unit housing
until the lock nut (5) touches and the connector for
the connection hose faces the rear.
26. Tighten lock nut (5) with light hammer blows.
27. Insert guide ring (11) into the lower housing (Fig. 15,
Item 10) and screw lower housing into upper housing
and tighten.
28. Screw on and tighten connection hose.
29. Screw in inlet valve housing (Fig. 14, item 2), see
Chapter 11.2, Item 10.
30. Screw on and tighten suction tube.
31. Fasten return hose with clamp at suction tube.
32. Install front cover.
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