Walther Systemtechnik VMS-08, Assembly Instructions Manual

Page: 13 / 16

Rev. 1.1
Assembly Instructions - MINI-Full-Jet Valve VMS-08
Page 13 of 16
Walther Systemtechnik GmbH
– D 76726 Germersheim
Telefon: +49 (0)7274-7022-0 Telefax: +49 (0)7274-7022-91
http://www.walther-2000.de
– info@walther-2000.de
9 Troubleshooting
9.1 General Information
IMPORTANT
First check all supply lines for proper connection and serviceability.
In case of serious problems that cannot be resolved, please contact the Walther Systemtechnik GmbH cus-
tomer service.
9.2 Customer Service / Support
Walther Systemtechnik GmbH
Hockenheimer Straße 3
D-76726 Germersheim
Germany
Phone ++49(0)7274-7022-0
Telefax ++49(0)7274-7022-91
Email info@walther-2000.de
Internet www.walther-2000.de
9.3 Failures
Problem Cause Action
Nozzle needle does not open
Nozzle needle is sticky within
the needle sealing Clean needle sealing complete-
ly
Control air pressure is too low
Check if sufficient control air
pressure is applied to the spray
valve (see also Technical Data)
Needle stroke is too little
Increase needle stroke by turn-
ing the raster screw
O-Ring (chapter 10.4 5.1) de-
fective
Replace O-Ring
Pilot valve does not switch. Check pilot valve
No material discharged
Nozzle clogged by material Clean needle and nozzle.
Material pressure is too low
Check if sufficient material pres-
sure is applied to the spraying
system (see also Technical Da-
ta)