Packings - WAGNER ProSpray 21 Betriebsanleitung

10. Unscrew outlet valve housing (Fig. 11, Item 7) from
the piston (8) with adjusting wrench.
11. Remove the upper seal (9), upper ball guide (10), out-
let valve ball (11), outlet valve seat (12) and O-ring
(13).
12. Clean all the parts with the corresponding cleaning
agent. Check outlet valve housing (7), outlet valve
seat (12), outlet valve ball (11) and upper ball guide
(10) for wear and replace parts if necessary. If the
worn outlet valve seat (12) is unused on one side, in-
stall it the other way round.
13. Carry out installation in the reverse order. Lubricate
O-ring (Fig. 10, Item 6) with machine grease and en-
sure proper seating in the inlet valve housing (Fig. 10,
Item 1).
ProSpray 21
g
8
9
10
11
12
13
7

11.3 Packings

1. Remove inlet valve housing in accordance with the
steps in Chapter 11.2, Page 38.
2. It is not necessary to remove the outlet valve.
3. Unscrew both cylinder head screws (Fig. 12, Item 1)
from the paint section housing (2) with a 3/8 inch he-
xagon socket head wrench.
4. Pull paint section housing (2) approx 15 mm off of
gear unit housing.
5. Pull paint section housing (2) toward the front with
piston (3) until the piston is free from the T-slot (4) of
the connecting rod (5).
6. Push piston (3) downward out of the paint section
housing (2).
7. Unscrew guide nut (6) from the paint section housing
(2) and remove piston guide (7).
8. Remove upper packing (8) and lower packings (9)
from the paint section housing (2).
4
10
Repairs at the unit
5
6
7
8
2
1
9
3
39