IAI America RCS2-SD5N - Manual (Page 68)

10. Maintenance and Inspection
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10.7 How to Replace the Spiral Cover
[Item required for replacement]
x Replacement spiral cover
Stroke Model number
50 mm RCS2-SPC-50
75 mm RCS2-SPC-75
[Procedure]
[1] Remove the spiral cover.
Pull out the base of the spiral cover toward you and roll the edge of the cover.
[2] Gradually roll the spiral cover to remove it.
.
Spiral cover
Screw shaft
Wipe off old grease on the screw shaft.