ABB IRB 6640 Foundry Prime Product Manual page 248

4 Repair
4.3.3 Replacement of complete arm system
Continued
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248
Action
Alternate lifting method, with no need of us-
ing a hoisting block.
1 Run axis 2 to -60° and axis 3 to ap-
proximately +60°.
2 Fit the lifting accessories according
to the figure to the right.
3 Run axis 3 so that all the roundslings
are stretched.
4 Verify that the center of gravity is ap-
proximately 75 mm behind of the axis-
1 center.
CAUTION
The complete arm system weighs 1250 kg!
All lifting equipment used must be sized ac-
cordingly!
Lift the complete arm system and move it at
very low speed, making sure it does not tip!
Make sure the lift is done completely level.
Adjust the length of the chains as detailed
in enclosed instruction or with a hoisting
block.
Clean the mounting surfaces with isopropan-
ol.
© Copyright 2011-2018 ABB. All rights reserved.
Note
C
B
A
F
xx1200000670
• A: Lifting eye (on arm house)
• B: Lifting chain
• C: Roundsling (used to pick up the
load of the arm system)
• D: Lifting chain
• E: Roundsling (put in a loop around
the wrist on the inside)
• F: Roundsling (used to eliminate
any load through the brake on mo-
tor axis 3)
• G: Position for roundsling F, inser-
ted through hole in the frame
• H: Roundsling (put in a loop around
the lower arm)
Product manual - IRB 6640 Foundry Prime
3HAC040586-001 Revision: N
D
E