Mechanical Operation and Maintenance Manual for ER20-1100 Industrial Robot
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Chapter 4 Repair and maintenance
Repair includes routine and scheduled repair. Technicians must make repair plans and
perform them accordingly. Please refer to the following table for the items and intervals of
repair and maintenance.
Additionally, overhaul must be carried out every 40,000 work hours or every eight years
depending on which reaches to the deadline first. High frequency operations, such as glaze
spraying, are recommended to be maintained and overhauled in every 1/2 of the above
interval.
Please contact our service department if the methods for repair, maintenance, and
adjustment are unclear.
4.1 Preventive Maintenance
Perform scheduled maintenance following the methods in this chapter can maintain the best
performance of the robot.
4.1.1 Routine Check
Table 4-1 Routine check
Number
Item
Essentials of checking
1
abnormal noise
Check whether the transmission mechanism makes abnormal noise.
2
interference
Check whether the transmission mechanism runs smoothly without abnormal
vibration.
3
air cooling
Check if the fan behind the control cabinet is ventilated.
4
pipeline accessories
Check whether it is complete, worn, or rusty.
5
peripheral electrical
accessories
Check the peripheral wiring and whether the buttons work.
6
leak
Check whether lubricant leaks from the body.
4.1.2 Quarterly check
Table 4-2 Quarterly Check
Number
Item
Essentials of checking
1
cables of the control unit
Check whether the teach pendant is improperly twisted.
2
ventilation of the control unit
If the ventilation is dusty, cut off the power and clear it.
3
cables of the mechanical unit
Check whether the socket of the mechanical unit is damaged, and
whether it is bent abnormally. Check whether the servo motor
connector and circular connector are connected reliably.
4
cleaning, repair, and maintenance
of components
Check whether problems exist in components and handle them.
5
tightening of external main screws Tighten the screws of the end executor and external main screws.
