Note
Action
Art. no. is specified in
If required, press the motor out of position by fit-
ting
removal tool, motor, M10
to the motor attach-
ment screw holes.
13
Always use the removal tools in
pairs and diagonally!
Make sure the motor pinion is not
damaged!
Lift the motor to get the pinion away from the
gear and disconnect the brake release voltage.
14
Keep track of the shims between the
motor flange and the wrist housing.
Remove the motor by gently lifting it straight out.
15
Refitting, motor, axis 5
The procedure below details how to refit motor, axis 5.
Note
Action
DANGER
Turn off all:
•
electric power supply to the robot
•
hydraulic pressure supply to the robot
•
air pressure supply to the robot
Before entering the robot working area.
1
Art. no. is specified in
Make sure the
o-ring
on the circumference of
the motor is seated properly. Lightly lubricate
the
o-ring
with
grease.
2
Connect to:
In order to release the brake, connect the 24
VDC power supply.
3
- connector R2.MP5 (in the motor):
•
+ : pin 2
•
-: pin 5
Art. no. is specified in
Fit the two
guide pins
in two of the motor attach-
ment holes.
4
Make sure the motor pinion does not
get damaged!
Fit the motor, with guidance from the pins,
making sure the motor pinion is properly mated
to the gear of axis 5.
5
4 pcs: M8 x 25; tightening torque: 24
Nm.
Secure the motor with four attachment screws
and plain washers.
6
Disconnect the brake release voltage.
7
Refit the cable of the axis-5 motor and recon-
nect all connectors beneath the motor cover.
8
Refit the cover on top of the motor with its four
attachment screws.
9
Make sure the cover is tightly sealed!
Refit the cable gland cover at the cable exit
with its two attachment screws.
10
Shown in the figure in the section
.
Refit the
metal clamp
securing the cable har-
ness.
11
Detailed in the section
.
Perform a leak-down test.
12
Standard
13
Refit the cover of the wrist unit with its attach-
ment screws.
Continues on next page
268
Product manual - IRB 6620
3HAC027151-001 Revision: T
© Copyright 2006-2018 ABB. All rights reserved.
4 Repair
4.6.5 Replacement of motor, axis 5 , IRB 6620/6620LX
Continued
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