WAGNER ProSpray 30 Operating Manual page 42

Repairs at the unit
3
1
5
7
10
8
6
9
11
4
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
protruding lip (2) downward into the upper housing (6).
1
2
40
GB
2
14. Place intermediate ring (Fig. 16, Item 10) on the upper
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.
2
1
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 packings 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.
ProSpray 30 • 34