Note
Action
CAUTION
The lower arm weighs 75 kg
(gearboxes axes 2-3 ex-
cluded)!
8
Shown in the figure
Location of lower arm on page 228
Remove the attachment
screws and washers securing
the lower arm to gearbox axis
2.
9
Remove the lower arm.
10
Refitting
The procedure below details how to refit the lower arm.
Note
Action
Secure the lower arm with a roundsling and lift
it to its mounting position.
1
CAUTION
The lower arm weighs 75 kg (gearboxes axes
2-3 excluded)!
2
Make sure the o-ring is fitted to the gearbox.
3
Lightly lubricate the o-ring with grease.
Fit guiding pins in two of the holes in gearbox
axis 2.
4
Lift the lower arm on to the guiding pins.
5
Shown in the figure
Refit the attachment screws and washers secur-
ing the lower arm to gearbox axis 2.
6
M16x50, quality 12.9 gleitmo (16 pcs).
Tightening torque: 300 Nm.
Remove the guiding pins.
7
Secure the upper arm with a roundsling and lift
it to its mounting position.
8
Detailed in the section
.
Refit the upper arm.
9
Detailed in the section
of cable harness, upper end on
page 192
.
Refit the cable harness axes 3-6.
10
Pendulum Calibration is described in
Operating manual - Calibration Pendu-
lum
, enclosed with the calibration
tools.
Recalibrate the robot.
11
Axis Calibration is described in
rating with Axis Calibration method on
page 319
.
General calibration information is in-
cluded in section
.
Continues on next page
Product manual - IRB 6620
231
3HAC027151-001 Revision: T
© Copyright 2006-2018 ABB. All rights reserved.
4 Repair
4.4.4 Replacement of lower arm
Continued
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