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5Maintenance and Inspection
5.2.2 Periodic inspection
The inspection items and timings for the robot arm are shown below.
(1) Inspection item
Carry out periodic inspection given in
Table 5-3 ： Periodic inspection items (details)
Inspection item (details)
Monthly inspection
Are any of the bolts or screws on the robot arm loose?
Are any of the connector fixing screws or terminal block terminal
screws loose?
6-month inspection
Has the dust accumulated into bellows?
(For bellows-installed robot. When environment with much dust)
Note1)
2-year inspection
Is the friction at the timing belt teeth severe?
Is the timing belt tension value more than the guideline value?
Does any position mismatch occur?
Battery replacemenet
Replace the backup battery in the robot arm.
Replace the battery every year regardless of the operating hours.
Lubrication
Check the lubrication schedule for each axis, and perform
lubrication.
The lubrication schedule differs according to the model.
Is enough grease applied on the shaft?
(Greasing is required approximately every 2000 km.)
Note1) When the robot is operated 24 hours a day or with a heavy load, it is recommended to be inspected every 6
months (1,800hr).
Inspection items
5-64
Table
5-3.
Remedies
Securely tighten the bolts.
Securely tighten the screws.
Remove bellows and clean the inside.
(Refer to
(Option)"
If the teeth are missing or severe friction is found,
replace the timing belt.
When the tension value becomes less than the
guideline value, the timing belt must be replaced.
Replace it referring to
backup
Lubricate it referring to
Page 82, "5.3.5 Replacing the bellows
for how to remove bellows)
Page 85, "5.3.7 Replacing the
battery".
Page 83, "5.3.6
Lubrication".
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