YASKAWA MA1440 Operating And Maintenance Manual page 54

1
Item number
1 Alignment marks
2 External cables
3 Working area and robot
4 Motor for S-, L-, U-axes
5 Fixing screws of the base
plate
6 Fixing screws of the cover
7 Power input module
8 Toothed belt for B- and T-axes
9 Wiring harness in the robot
(wires of the S-, L-, U-, R-, B-
and T-axis)
10 Wiring harness in the robot
(wires of the B- and T-axis)
Inspection intervals
Schedule (h) Method
 Visual inspection
 Visual inspection
Visual inspection

 Visual inspection
 Using a correspond-
ing tool,
 Using a correspond-
ing tool,
 Manually
 Manually
 Visual inspection
with multimeter

 Visual inspection
with multimeter

Operation
Check alignment mark correspondence and
damage at the zero position.
Check cables for damage.
If the working area is dirty, it must be cleaned.
Check the robot for damage and external cracks.
Check for grease leakage.
tighten loose screws (replace if necessary).
tighten loose screws (replace if necessary).
Check for loose connections.
Check for tension and wear
Check the bushing between the connector on
the stand and the intermediate connectors by
manually moving the wires. Check the protective
2
coil. .
3
Exchange
Check the wires between the terminals for wear.
Exchange
To be per-
formed by:
1 2 3
  
  
  
  
  
  
  
 
 

 
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