Rev. 1.1
Assembly Instructions - Spray Valve SMS-07
Page 12 of 23
Walther Systemtechnik GmbH
– D 76726 Germersheim
Telefon: +49 (0)7274-7022-0 Telefax: +49 (0)7274-7022-91
http://www.walther-2000.de
Particularly when employing the spray valve as color-marking device, the spray cap should be taken off
before a longer standstill. The spray nozzle will be cleaned with a special thinner and a soft cloth. Make sure
that there are no cloth fibers on the nozzle tip. After that the valve has to be sprayed clean by a longer
spraying using the manual operator at the SPS or the manual operator at the 3/2-way valve (green button).
8.2 Cleaning
IMPORTANT
Only use soft brushes for outside cleaning of the nozzle tips. Never use metal tools
with sharp edges.
After use, wash equipment thoroughly to remove residues and dirt, especially if needle (Pos.7.0) or needle
sealing (Pos.5.0) or material nozzle (Pos.4.0) is to be exchanged.
8.3 Maintenance for Use in Color-Marking Systems (Normal Operation)
The spray cap must be cleaned with a cloth and special dilution every other day. Please make sure, that no
cloth fibers remain on the nozzle tip.
Every three months the spraying valve must be cleaned with the special dilution in the material area under
consideration of the steps below:
Completely open raster needle lock (13.0) (remember setting for later use!)
Remove screwcap (1.0) and take off air cap (3.1/3.2) and screw out nozzle (4.0) with an open-end
wrench SW 6
IMPORTANT
Hold the spraying valve downwards when doing so, in order that the medium does not
flow into the air ducts. Collect the escaping medium in a container and dispose of it
appropriately.
Clean with a soft brush and the special dilution
Reassemble the nozzle and the air cap after cleaning
Readjust the setting of the raster needle
After system standstills (e.g. breaks overnight or on weekends) a cleaning cycle should be initiated which will
blow the nozzle free. The cleaning cycle must be activated via the system control.
IMPORTANT
In order to avoid staining, insert a dummy or cloth during the cleaning cycle!
After longer standstills (e.g. 2-3 weeks) the complete system must be cleaned prior to a restart. If
necessary, the material hoses and inlays (if any) of the pressure containers must be exchanged.
Every week the material pressure container must be opened in order to stir the color (if there is no
electric stirrer).
Every 3-4 months the material pressure container must be cleaned and the material hoses and inlays
must be exchanged.
