ABB Power2 850-M Operation Manual page 95

Operation Manual / Power2 850-M / Low-pressure stage
9 Disassembly and assembly / 9.17 Installing the filter silencer
Application of special key for nuts that are difficult to access
Attach the special key (90250 / 91250 / 90251 / 91251) to the torque spanner by using the
u
adapter (90249 / 91249).
Use the special key in an angle range between 30° and 90°.
u
Use the special key only for nuts that are difficult to access and observe the reduced
u
torque.
© Copyright 2022 ABB. All rights reserved. HZTL4062_EN Rev.E March 2022