Walther Systemtechnik SMS-22 - Spare Parts; Customer Service; Support; Troubleshooting; General Information

Rev. 1.3
Assembly Instructions - Spray Valve SMS-22
Page 14 of 25
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
8.6 Spare Parts
IMPORTANT
Only use original spare parts from the manufacturer!
Wrong or defective spare parts from other manufacturers can damage the device. If other
than original spare parts of the manufacturer will be used, all obligations from the manufac-
turer or his sales partners, such as guarantees, service contracts etc will be forfeited without
further notice.
8.7 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 Troubleshooting
9.1 General Information
IMPORTANT
First check all supply lines for connection and serviceability.
In case of serious problems that cannot be resolved, please contact the Walther Systemtechnik GmbH
customer service.
9.2 Malfunctions:
Failure
Possible cause
Action
Nozzle needle does
not open
Nozzle needle is sticky inside nozzle
sealing
Clean needle sealing completely
Control air pressure is too low
Check if sufficient control air pressure is
applied to the spray valve (see also 3.2
Technical Data)
Needle stroke too small
Increase needle stroke by turning the
raster screw
O-Ring (7.1 and 7.2, see 10.1.1) defec-
tive
Replace O-Ring
Pilot valve does not switch
Check pilot valve
No atomizer air
Atomizer air pressure is too low
Check if sufficient atomizer air pressure
is applied to the spray valve (see also
3.2 Technical Data)
No material discharge
Nozzle clogged by material
Clean nozzle and needle
Material pressure is too low
Check if sufficient material pressure is
applied at the spray valve
Spray image has errors
Air cap soiled
Clean air cap
Wrong air ratio
See also spray images/errors 9.3