GEA ECOVENT, Operating Instructions Manual

Page: 50 / 128

Tool Intended purpose Material no.
Bit 6.3-PH2 Philips 89 mm 408-459
Bit 6.3 size 3 hex 89 mm 408-469
Torque screwdriver 1-5 Nm Mounting the half-rings/hood T.VIS 408-449
Torque wrench size 1 2-10 Nm Mounting the switch bar --
Articulated face spanner with journal 4
mm Removing/mounting the installation
base
--
Allen key 3 mm Removing/mounting the half-rings T.VIS 408-121
Open end plug tool size 1 a/f 13 Mounting the switch bar 408-452
Screwdriver, slot head 2.5 mm
Removing/mounting the pilot valve
T.VIS
406-102
Screwdriver crosstip size 2 Removing/mounting the hood 406-125
9.4 Prior to removal
Prerequisites
●
Ensure that no active processes are running in the relevant area during mainte-
nance and servicing work .
1. Drain all pipe system elements that lead to the valve and, if necessary, clean or
rinse them.
2. Disconnect the power supply.
3. Take the valve out of the pipe section, with all housings and housing connections if
possible.
9.5 Removing the valve
9.5.1 Removing the clamp connection between the upper and
middle housing
The clamp connection is removed depending on how the valve is configured:
●
see section
Spring-to-close valve (NC) with control head T.VIS
● see section Spring-to-close valve (NC) without control head T.VIS
●
see section
Spring-to-open valve (NO) with control head T.VIS
● see section Spring-to-open valve (NO) without control head T.VIS
50 / 128 - 9.4 Prior to removal
0000000607 - 002 - EN-GB