ABB IRB 390 Product Manual page 225

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Product manual - IRB 390
3HAC066566-001 Revision: B
Action
Hold or place the delta unit on a workbench.
CAUTION
Axis 5 on the delta unit is not stable. There is a
risk of pinching or tipping the unit if holding or
putting down the delta unit on its tilt arm.
Tip
This operation is best performed by two persons
working together.
Loosen the universal joints from the delta unit by
removing the screws and washers.
Note
Keep the sealing rings and frictions shims for re-
fitting.
Loosen the lower arm shafts from the delta unit
by loosening the nuts.
Use an interchangeable head torque wrench and
the open-end head insert.
Loosen all lower arms from the delta unit and re-
move the delta unit.
Save the sealing washer for refitting, or replace
it if damaged.
© Copyright 2020 - 2021 ABB. All rights reserved.
5 Repair
5.5.4 Replacing the delta unit
Continued
Note
xx2000001062
Interchangeable head torque
wrench
Torque wrench head, open-end in-
sert: 3HAC073854-001
xx1900002150
xx1900001801
Continues on next page
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