ABB IRB 6620 Product Manual page 226

4 Repair
4.4.3 Replacement of the upper arm
Continued
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226
Action
Fit the lifting tool on the upper arm as de-
tailed in the enclosed instructions and lift it
to its mounting position.
Also fit a hoisting block to the front which
is used to adjust the balance of the upper
arm in order to lift it completely level.
Fit the guiding pins in gearbox axis 3.
Refit the attachment screws securing the
upper arm to the gearbox.
Note! Do not forget the four screws inside
the hole in the upper arm.
Remove the guiding pins.
Refit motor, axis 3.
Refit the metal clamps securing the cable
harness on the lower arm and armhouse.
Perform a leak-down test of the axis-3
gearbox.
Refit the cable harness, axes 3-6.
© Copyright 2006-2018 ABB. All rights reserved.
Note
Art. number is specified in
equipment on page 222.
xx0600003102
• A : Lifting tool
• B : Roundsling
• C : Lifting chain
• D : Hoisting block
Shown in the figure Location of the upper
arm on page 222.
Detailed in the section Replacement of
motor, axis 3 on page 253.
xx0600003083
• A: Metal clamp, lower arm (2 pcs)
• B: Metal clamp, gearbox axis 3
• C: Metal clamp, armhouse
Detailed in section Performing a leak-
down test on page 178.
Detailed in section Replacement of cable
harness, upper end on page
Product manual - IRB 6620
3HAC027151-001 Revision: T
Required
192.