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4. Maintenance and Inspection
64
4.4 Internal Inspections
Turn OFF the power, remove the side cover and have a visual inspection.
When inspecting the interior, check the following items.
Main unit
Loose mounting bolts, other loose items
Guide section
Lubrication, buildup
Visually inspect the interior of the equipment. Check whether dust or other foreign matter has gotten
inside and check the lubrication state.
The lubrication may have turned brown. This is not a problem as long as the travel surfaces shine as
though they are wet.
If the grease is mixed with dust and does not have a shiny appearance, or if the grease has lost its
efficacy due to prolonged use, then clean each section and reapply grease.
The procedure for internal inspections is outlined below.
1) Loosen the screws on the side cover and detach the side cover.
2) Check inside.
3) After finishing the inspection, assemble back in the reverse order.
If you touch the edge of the stainless steel sheet in the attaching the side cover process, the sheet
may get damaged or wavy which result in shortening life or earlier wear-out.
To avoid touching the edge of the sheet, insert a spacer (approximatery 0.1 to 0.2mm) between the
sheet and cover to push up the sheet, and then push in the cover.
Also, make sure to follow the notice of caution when attaching side covers described in the next
page when side covers are attached.
When affixing the side cover, tighten the screws with the tightening torque described below.
Model Name
Screw Diameter
Tightening Torque
SA4C, SA4R,
SA6C, SA6R,
SA7C, SA7R
M3
41.4N•cm
Caution: When checking inside the equipment, be careful not to forcibly bend the stainless
steel sheet or scratch it.
Do not tug on the stainless steel sheet or in any way attempt to reposition it.
Change in the attached condition may cause the sheet to be mounted unevenly or
impact the product life. In such cases, please contact IAI Sales Engineer Department.
Keep in mind that the edges of the stainless steel sheet can cause injuries. Always
wear gloves when working on it.