pag
. 21
DISPENSING VALVE DA 600
1. Depressurise all connections and stop the material supply!
2. Unscrew the swivel joint (1) from the handle (2)
3. Remove the old filter (3)
4. Insert the new filter.
(Attention: Check the correct position of the filter!)
5. Perform a functional test of the device after changing the filter!
6.4 Replacing the filter)
7 FAULTS
7.1 General and safety instructions in relation to faults
Mechanical or pneumatic faults must be rectified by personnel trained and qualified in the relevant area.
The manufacturer must be informed of faults which cannot be rectified by the measures described.
7.2 In the event of a fault
In case of faults which pose an immediate risk for persons, property and/or the safe operation of the device or plant:
> Stop device immediately at the EMERGENCY OFF switch.
In case of faults which do not pose an immediate risk of personal injury or property damage:
> Switch off device, machine or plant at the plant controller.
> Prevent device, machine or plant from being switched back on.
> Inform operator of fault immediately.
> Have qualified personnel identify the type and cause of the fault.
> Have qualified personnel rectify the fault.
WARNING! Risk of injury! Improper, incorrect work on the device, machine or plant poses serious
risks of personal injury and/or damage. Therefore, only trained qualified personnel may correct
faults. The notices and safety rules in chapter 6 “Maintenance and servicing” must be observed
before, during and after all work to rectify faults faults!
7.3 Malfunctions
Fault
Possible cause
Rectification
No material
comes out
Nozzle blocked by material
Clean the nozzle and the needle
Material pressure too low
Check whether sufficient material pressure is being applied to
the valve (see 3.2 Parameters)
Material leakage
at the lever
Leaks at the gland seal,
worn or faulty gland seal
Exchange/replace the gland seal
AIRLESS spray gun
Model S720
Copyright ALFRED SCHÜTZE Apparatebau GmbH,
2021. All rights reserved.
35
Doc-ID 1261
Replacing the filter)
Fig. 6.4/1
1.
Depressurise all connections and stop the material supply!
2.
Unscrew the swivel joint (
1
) from the handle (
2
)
3.
Remove the old filter (
3
)
4.
Insert the new filter.
(Attention: Check the correct position of the filter!)
5.
Perform a functional test of the device after changing the filter!
