Note
Action
Art. no. is specified in
Fasten the
lifting tool (chain)
onto the lifting eye,
the lifting accessory and an overhead crane.
8
Detailed in section
.
Drain the oil from gearbox axis 3.
9
Shown in the figure
Disconnect connector R2.M5/6 at the
cable harness
division
as well as all remaining connections
between upper and lower arm.
10
Remove the cover on top of the motors, axis 3 and
4 and disconnect all connectors inside the motors.
11
Remove all brackets securing the cabling to the
upper arm by removing their attachment screws
respectively.
12
CAUTION
The complete upper arm weighs 380 kg without
any additional equipment fitted! Use a suitable
lifting accessory to avoid injury to personnel!
13
Raise the lifting equipment to take the weight of
the upper arm.
14
Connect to connector R2.MP3
•
+: pin 2
•
-: pin 5
In order to release the brake of the axis 3 motor,
connect the 24 VDC power supply.
Note
When releasing the brake, the position of the upper
arm is adjusted to the position given by the lifting
equipment.
15
See
.
Remove the axis-3 motor.
16
Shown in the figure
Carefully remove the
attachment screws and
washers, upper arm.
17
Lift the upper arm and place it on a secure surface.
Make sure the lift is done completely level! In case
of necessary adjustments, use the shortening loops
on the lifting tool (chain), but make sure to place
the chain the right way through the loops!
18
Shown in the figure
Remove the
sealing, axis 2/3
from the lower arm.
19
Continues on next page
Product manual - IRB 6650S
269
3HAC020993-001 Revision: Z
© Copyright 2004-2018 ABB. All rights reserved.
4 Repair
4.4.3 Replacement of upper arm
Continued
Summary of Contents for IRB 6650S Series
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