ER7-700 Industrial robot mechanical maintenance manual
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4.1.3
Annual inspection
Table 4-3 Annual Checklist
No
Check item
checking point
1
Cleaning and maintenance of various
components
Check if there is a problem with the part and deal
with it
2
Fastening of external main screws
Tighten the end effector screws and external
main screws
4.1.4
Check every 2 years
Table 4-4 Checklist every 2 years
No
Check item
checking point
1
Replace the lubricating oil of reducer and
gear box
Replace according to lubrication
requirements
2
Change the lubricant of wrist parts
Replace according to lubrication
requirements
Notes:
1) Regarding the cleaning parts, mainly the mechanical wrist oil seals, cleaning chips and splashes.
2) Regarding the tightening parts, tighten the end effector mounting screws, the robot body
mounting screws, and the screws removed due to maintenance, etc. All screws exposed outside
the robot should be tightened. For the installation torque, please refer to the appendix screw
tightening torque table. And apply the corresponding fastening glue or sealant.
4.2
Overhaul of main bolts
Table 4-5 Main screw inspection locations
No
Check parts
No
Check parts
1
For robot installation
6
For installation of J5 axis servo motor
2
For installation of J1 axis servo motor
7
For installation of J6 axis servo motor
3
For installation of J2 axis servo motor
8
For mounting wrist parts
4
For installation of J3-axis servo motor
9
For end load installation
5
For installation of J4 axis servo motor
To tighten and replace the screws, you must use a torque wrench to tighten them with
the correct torque, and then fix them with paint. In addition, it should be noted that
the bolts that are not loose cannot be tightened with a torque greater than the
required torque.