EUROPRO EUROSPRAY 300 Mode D'emploi page 39

parts if necessary. If the worn outlet valve seat (20) is unused
on one side, install it the other way around.
16. Carry out installation in the reverse order.
Lubricate O-ring (12) with machine grease and ensure proper
seating in the lower housing (10).
11
16
17
18
19
20
14
12
13
10
11.3 Packings
1. Remove inlet valve housing in accordance with the steps in
Chapter 11.2, Page 36.
2. It is not necessary to remove the outlet valve.
3. Loosen lock nut (Fig. 14, Item 5) counterclockwise with light
blows from a hammer.
4. Unscrew upper housing (6) counterclockwise from the gear
unit housing.
5. Clamp upper housing (6) at the wrench surfaces vertically in a
vice.
Do not tighten vice excessively to prevent crushing.
Attention
6. Screw out threaded joint (7).
7. Slide the piston rod (4) forward until the piston is out of the
T-slot (2) on the slider assembly (3).
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
EUROSPRAY 300
GB
15
10. Remove the transportation devices from the upper and lower
11. Lubricate upper packing (8) and lower packing (9) with
12. Insert upper packing (Fig. 15) with O-ring (1) and protruding
37
packings. (The transportation device from the upper packing
is required for installation of the piston.)
machine grease.
lip (2) downward into the upper housing (6).
1
2
Repairs at the unit
1
3
2
5
7
10
8
6
9
11
4