ABB IRB 390 Product Manual page 199

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Product manual - IRB 390
3HAC066566-001 Revision: B
Action
CAUTION
The delta unit will become unstable when a lower
arm is removed.
Support the weight of the delta unit before remov-
ing the arm to minimize the movement. Either
support the weight from underneath or secure the
weight with a lashing strap through the universal
joints closest to the telescopic shaft.
Loosen the lower shaft from the delta unit by
loosening the nut.
Use an interchangeable head torque wrench and
the open-end head insert.
Remove the lower end of the arm from the delta
unit.
Save the sealing washer for refitting, or replace
it if damaged.
© Copyright 2020 - 2021 ABB. All rights reserved.
5 Repair
5.5.1 Replacing the lower arm
Continued
Note
Lashing strap
xx2000000334
Interchangeable head torque
wrench
Torque wrench head, open-end in-
sert: 3HAC073854-001
xx1900002150
xx1900001801
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