Refitting the lower arm to the housing
NoteAction
Screw: M4x16 12.9 Lafre
2C2B/FC6.9+PrO-COat111 (16 pcs)
Refit the lower arm to the housing.1
Tightening torque: 4.5 Nm±3%
xx2000001664
Checking the radial sealing on the lower arm support
Note
This procedure is valid for robots with:
• protection class IP67 (option 3350-670)
NoteAction
xx2000002477
Check the radial sealing on the lower arm support.
Replace if damaged, as described below.
1
Big circular plate of the axis-3
sealing assembly tool, included in
Special toolkit for IP67 robots
(3HAC078203-001).
Fit the big circular plate of the axis-3 sealing as-
sembly tool to the lower arm support (opposite
side of the radial sealing) with three M4x12
screws.
2
xx2000002478
Grease: 3HAC029132-001Apply a little grease to the sealing lip when repla-
cing the radial sealing and wipe clean after the
replacement.
3
Continues on next page
Product manual - CRB 1300 403
3HAC083111-001 Revision: B
© Copyright 2022-2023 ABB. All rights reserved.
5 Repair
5.5.2 Replacing the housing and extender unit
Continued
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