Assembly Instructions / Power2 500-M
4 Installing the low-pressure stage / 4.2 Steps for fastening the low-
pressure stage
© Copyright 2020 ABB. All rights reserved. HZTL455311P0009_EN Rev.A July 2020
Step 2:
u Insert the foot screws with one washer each.
Take into account the thickness of the washers (at least 15% of the nominal thread dia-
meter).
Step 3:
Fig.7: Fixing screws of a two-piece foot
u Tighten the CE foot screws (3, 4, 5, 6) with the pre-tightening torque.
Power2 Gas outlet branch position Sequence
550 LP NB000 (045 / 315) 3, 4, 5, 6
NB090 3, 6, 5
NB270 4, 5, 6
Table9: Pre-tightening torque sequence
Power2 Thread size [mm] Pre-tightening torque [Nm]
550 LP M24 160
Table10: Pre-tightening torque
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