Walther Systemtechnik S11 series, Руководство по сборке

Страница: 14 / 28

Rev. 1.4
Assembly Instructions
– Spray Valve SMS-11
Page 14 o f 28
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
7.5 Replacing the Sealing Elements
CAUTION
Remove pressure from all connections and disconnect material and energy supply.
The cover plate is under spring pressure.
Fig.1: Standard
Fig.1: with raster-needle sensor
Fig. 1
1. Unscrew cylinder screws (6) and remove cover plate (5). ( Caution: the cover plate is under spring
tension )
2. Make sure that the pressure spring (4) does not get lost.
3. Pull out the nozzle needle (3).
4. Unscrew the sealing screw (2) with a socket wrench.
Fig.2: sealing screw
Fig. 2
1. Remove all O-rings (2. 3, 5) and the Variseal (1); mount new O-rings and Variseal and slightly
grease (see Fig. 2).
After replacing the sealing elements, re-assemble in reverse order (see Fig. 1).
IMPORTANT
Gaskets and seal seats can be damaged. Do not use any sharp-edged metal tools or objects
when removing and inserting the gaskets!