MR VACUTAP VMS - Bleeding On-Load Tap-Changer Head and Suction Pipe

4 Commissioning
Maschinenfabrik Reinhausen GmbH 2020 335993419/02 EN VACUTAP
®
VMS
®
4.1.2 Bleeding on-load tap-changer head and suction pipe
4.1.2.1 Bleeding on-load tap-changer head
1. Open all forward valves and return valves in the pipe system.
2. Remove screw cap on air-vent valve E1 on the on-load tap-changer head
cover.
Figure19: Screw cap
3. Use screwdriver to lift valve tappet on air-vent valve E1 and bleed on-load
tap-changer head.
Figure20: Valve tappet
4. Seal air-vent valve E1 with screw cap (tightening torque 10 Nm).