Assembly Instructions – Dosing Valves WDV-0x
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 Maintenance and Repair
8.1 General Information
CAUTION
Before starting any maintenance or repair work, ensure that all air-operated tools are
depressurized and disconnected from the air supply.
Before opening the dosing valve it must be disconnected from the air and fluid supply.
Otherwise, ejected components can cause injuries.
IMPORTANT
This chapter does not explain how to repair damage of the device. Repair work shall be
executed exclusively by skilled and trained experts, or by staff of the manufacturer`s
customer service.
8.2 Routine Tasks
The maintenance intervals stated below are valid for single-shift operation of the equipment. In case of
multiple-shift or very intensive operation, maintenance intervals must be shortened accordingly. Also take
into account other influences on maintenance need, such as dirty environment.
Check dosing valve for
leak-tightness and
damage
Check all screw
connections and
connections of
mountings for tightness
Check electrical
conducts for damage
CAUTION
After maintenance tasks are completed, check all functions and safety devices.
IMPORTANT
Only use soft brushes for outside cleaning of the nozzle tips. Never use metal tools
with sharp edges.
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
manufacturer or his sales partners, such as guarantees, service contracts etc will be
forfeited without further notice.
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