5. Maintenance and Inspection
5.6.3 RA4R, RA6R, RA7R, RA8R
[Items required for replacing the motor]
• Motor unit for replacement
• Hexagon wrench set 2.5mm(RA4R), 3mm(RA6R/RA7R)
4mm(RA8R), 2mm(for hexagonal socket bolts)
• Phillips screwdriver
• Tension gauge (capable thing of tensioning to 200N or greater)
• Strong string or long tie-band
[Procedure]
1) For RA4R, RA6R, RA7R, and RA8R, remove two hexagonal socket flat-head bolts (where
marked with a circle) with a hexagonal wrench. Detach the pulley cover.
RA4R RA6R, RA7R, RA8R
2) Remove the four Phillips screws by Phillips screwdriver and remove the motor cover.