ABB IRB 1660 Product Manual page 198

4 Repair
4.4.3 Replacing the complete lower arm
Continued
Removing the lower arm
Use this procedure to remove the lower arm.
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198
Action
Decide which calibration routine to use, and
take actions accordingly prior to beginning
the repair procedure.
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the robot work-
ing area.
Remove the complete upper arm.
Remove the VK-covers.
CAUTION
Be careful not to damage the cabling and
cable bracket inside the lower arm when re-
moving the middle VK-cover!
The figure to the right shows the space under-
neath the cover. The gray areas are safe for
insertion of a tool that may be inserted with
a maximum depth of 20 mm!
Pull down the cabling through the lower arm
and pull it out.
CAUTION
The robot lower arm weighs 20 kg.
All lifting accessories used must be sized
accordingly!
Fit the lifting device to the lower arm to se-
cure the weight of the arm.
Unscrew the 12 attachment screws and re-
move the single washer.
Gently pull out the cabling while lifting away
the lower arm. Be careful with the connectors,
they are sensitive to damage!
Check the sealing ring. Replace it if damaged.
© Copyright 2006-2018 ABB. All rights reserved.
Note
See section Replacing the complete upper
arm, IRB 1600ID/1660ID on page
Shown in the figure Location of lower arm
on page 196.
xx0400001247
Spare part no. is specified in
equipment on page 196.
Product manual - IRB 1600/1660
3HAC026660-001 Revision: W
188.
Required