MR VACUTAP - Page 32

4 Commissioning
Maschinenfabrik Reinhausen GmbH 202032 5788897/03 ENVACUTAP
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VVS
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2. Remove the screw cap on the air-vent valve E1, lift the valve tappet with a
screwdriver and bleed the on-load tap-changer head.
Figure18: Air-vent valve E1
3. Seal air-vent valve E1 with screw cap (tightening torque 10 Nm).
4.1.2.2 Bleeding suction pipe on pipe connection S
1. Remove the screw cap on the pipe connection S, open the vent screw
and bleed the piping.
Figure19: Pipe connection S
2. Close vent screw.
3. Seal vent screw with screw cap.