IAI America ISWA - Manual (Page 46)

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10. Maintenance/Inspection
10.4 Internal Inspection
Turn off the power supply, remove the screw cover and have a visual inspection.
Please check the following items in the internal inspection.
Main body Loose mounting bolts
Guide Area Lubricant condition and dirtiness
Ball Screw Area Lubricant condition and dirtiness
Check the internal condition by visual. Check inside for foreign substance such as dust and the condition
of lubricant.
Even if the grease has turned brown, the lubricant condition is good as long as the track surface is glossy
and looks wet. In the case the grease is dirty with dust and gloss is lost, or it is worn out after a long term
of use, supply the grease after conducting cleaning to each part.
Shown below is the process of internal inspection.
(1) Use a 2.5mm hex wrench to remove the screw cover on the top.
(2) Conduct the internal inspection.
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CAUTION : x Do not remove the front cover since it has a function to support the ball screw.
The front cover being off the adjusted position may make the shaft position
misaligned, which may cause resistance in operation, shorten the life of each
part, or cause an occurrence of abnormal noise.
x Side cover retains a sealing. Do not loosen the screws.
Once the screws are loosened, it affects the function of the sealing and may allow
water to get in.
x If an abnormality such as crack or peel-off is found on the sealing on the back side
of the screw cover, replace it accordingly.
Attachment screw
for screw cover
Do not loosen screws
on the side cover
Do not remove the
front cover