YASKAWA GP25-12 - Page 49

Maintenance and inspection
9 - 49
1 Trained staff
2 YASKAWA trained staff
3 YASKAWA personnel
Item numbers
1
Schedule (h) Method Operation To be per-
formed by:
Daily
1000
12000 24000 36000
1 2 3
1 Alignment marks  Visual inspection Check alignment mark correspondence and dam-
age at the zero position.

2 External cables  Visual inspection Check cables for damage. 
3 Working area and robot  Visual inspection If the working area is dirty, it must be cleaned. Check
the robot for damage and external cracks.

4 Fastening bolts of the base
plate
 Using a correspond-
ing tool,
tighten loose screws (replace if necessary). 
5 Fixing screws of the cover  Using a correspond-
ing tool,
tighten loose screws (replace if necessary). 
6 Power input module  Manually Check for loose connections. 
7 Toothed belt for B- and T-axes  Manually Check for tension and wear 
8 Motors for S, L, U, B, and R-
axes
 Visual inspection Check for grease leakage. 
9 Wiring harness in the robot
(wires of the S-, L- and U-axis)
 Visual Check for damage and clean this part if it is dirty. 
 Visual inspection
with multimeter
Check the bushing between the connector on the
stand and the intermediate connectors by manually
moving the wires. Check the protection spring
2
.
 Replace
3

10 Wiring harness in the robot
(wires of the B- and T-axis)
 Visual inspection
with multimeter
Check the wires between the terminals for wear. 
 Exchange 