Spheros thermo 231, Workshop Manual

Page: 82 / 98

prepared on
16.12.2008
Spheros Europa GmbH, After Sales
Friedrichshafener Straße 9-11, 82205 Gilching,Tel.+49 (0) 8105 7721 887 · Fax +49 (0) 8105 7721 889
www.spheros.de · service@spheros.de
Technical Information
06-2008
Replacement of the solenoid valve
at DBW and Thermo Heaters
NOTE:
To replace the solenoid valve, first loosen the nut SW 8 resp. SW 12
(ref. figure) and remove the coil body. Thereafter the armature
sleeve SW 16 can be loosened more easily.
For installation reverse the sequence. Before installing the coil
body, the armature sleeve must be tightened. Torque to 5 Nm.
Then reinstall the coil body and fix it with the nut and torque as
prescribed (ref. figure).
Old solenoid valve New solenoid valve
DBW 12 V --> 2710247A 2710808A
DBW 24 V --> 2710248A 2710807A
Thermo --> 29313_ 2710806B
SW 16
(11.5 Nm)
SW 16
(5 Nm)
SW 12
( 1,5 Nm)
SW 8
(2 Nm)