USER MANUAL
29
DESOI GmbH | Gewerbestraße 16 | D-36148 Kalbach | Phone +49 6655 9636-0 | Fax +49 6655 9636-6666 | [email protected] |
www.desoi.de
Fig.7.5.9
4.
(Fig.7.5.9)
Assembly and positioning of the
piston
(Step 1)
Screw hexagon nut
(1)
onto the
piston
(2)
.
(Step 2)
Screw piston
(2)
completely into
the guide piston.
(Step 3)
Bring the piston into the rear
position either by pushing it in or by manually
turning the mechanism, e.g. by turning the
driver (
marked in red
).
(Step 4)
Continue to screw or unscrew the
piston in the housing, aligning the front piston
surface (
shown in red
) approximately with the
hole
(shown in green
) in the rear area.
(Step 5)
Tighten hexagon nut
(1 or5)
(
countering against the guide piston
).
5.
The rest of the assembly is carried out in the
reverse order to disassembly.
Checking / maintaining the outlet valve:
1.
The medium still in the machine must be completely removed from the machine.
2.
Make sure the machine is de-energised and depressurised.
(Mains plug must be disconnected!!)
3.
Screw down the material hose at the machine outlet.
Fig.7.5.10
Fig.7.5.11
4.
(Fig.7.5.10)
Dismantling the outlet valve
(Step 1)
Since dismantling the outlet valve may result in leakage of liquid media, a drip tray must be
placed directly under the machine outlet.
(Step 2)
Completely unscrew the cap
(
2
)
from the housing using the Allen key, at the same time
holding the brass housing in position using the flat wrench.
(Step 3)
If necessary, the spring and the plastic valve insert must be removed manually.
5.
(Fig.7.5.11)
Checking the individual components of the outlet valve
(Step 1)
Remove any contamination from plastic valve insert
(
1
)
and check for damage or wear.
(Step 2)
Remove contamination from pressure spring (
2
)
and check for deformation.
(Step 3)
Remove contamination from valve seat (
3
)
and check for damage / wear.
NOTE:
If it is not possible to remove contamination or if damage or wear can be detected, the relevant
component must be replaced as a matter of urgency.