WAGNER PROSPRAY 3.34 Mode D'emploi page 54

repairs at the unit
11.3
PAcKINGS
1. Remove inlet valve housing in accordance with the steps
in Chapter 11.2, Page 53.
2. It is not necessary to remove the outlet valve.
3. Pull the lever on the underside of the sprayer toward the
front of the sprayer. This will un-clamp the entire fluid
section.
4. Slide the fluid section forward to remove it from the gear
housing.
5. Unscrew upper housing (6) counterclockwise from the
gear unit housing.
6. Clamp upper housing (6) at the wrench surfaces vertically
in a vice.
Do not tighten vice excessively to prevent
crushing.
Attention
7. Screw out threaded joint (7).
8. Push piston (4) downward out of the upper housing (6).
Check piston for wear and replace if necessary.
9. Remove upper packing (8) and lower packing (9) from the
upper housing (6).
Do not damage inside of upper housing.
Attention
54
10. Remove the transportation devices from the upper and
lower packings. (The transportation device from the upper
packing is required for installation of the piston.)
11. Lubricate upper packing (8) and lower packing (9) with
machine grease.
PS 3.34
1
3
2
7
10
8
6
9
11
4