NoteAction
Art. no. is specified in Required equip-
ment on page 277.
Alternate method of lifting:
Fit the lifting tool and a roundsling on the
upper arm and a roundsling with a hoisting
block, to the wrist unit.
15
Make sure the lift is done completely
level!
Also fit a separate roundsling between the
wrist and the frame in order to eliminate any
load through the brake on motor axis 3.
How to adjust the lift is described in the
enclosed instruction to the lifting tool.
Read the instructions before lifting!
The hoisting block is used to balance the
upper arm.
Note
The brake on axis 3 shall be released during
the lift, until the roundsling between the wrist
and the frame transfers the load of the
frame!
Releasing the brakes is detailed in sec-
tion Manually releasing the brakes on
page 79.
xx0600003100
• A : Lifting tool
• B : Roundsling
• C : Lifting chain
• D : Hoisting block
• E : Roundsling (used to transfer
the load of the frame)
Shown in the figure Location of gearbox
axis 1 on page 277.
Refit the robot to the base with its attach-
ment screws and serrated lock washers.
Note
The orientation of the serrated lock washer
must be fitted as is shown in the figure to
the right!
16
M12x80 quality 12.9 (16 pcs)
Tightening torque: 105 Nm.
xx0600003070
• A: Serrated lock washer
• B: Gearbox, axis 1
• C: Attachment screw, M12x80
Continues on next page
284 Product manual - IRB 6620
3HAC027151-001 Revision: T
© Copyright 2006-2018 ABB. All rights reserved.
4 Repair
4.7.1 Replacement gearbox axis 1
Continued
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