5 Calibration information
5.3. Calibration scales and correct axis position
239 3HAC022032-001  Revision: E  
© Copyright 2004-2008 ABB. All rights reserved.
Calibration scales, IRB 4400 
The illustration below shows the calibration scale positions on IRB 4400. 
The calibration marks for axes 2, 3, 4 and 5 are marked using punch mark tools. 
xx0300000209
A Punch, axis 2, 3HAB 1521-1
B Punch, axis 3, 3HAB 1522-1
C Punch, axis 4, 3HAB 1523-1 (there are two different versions of the marks,as shown 
in the figure)
D Punch, axis 5, 3HAB 1524-1
E Axes 5 and 6, IRB 4400/L10
Continued