5. Maintenance and Inspection
5.5.3 Belt Replacement
[Items required for replacing the motor]
• Belt for Replacement
•
Hexagon Wrench 2.5mm(RA4R), 3mm(RA6R/RA7R)
4mm (RA8R), 2mm (for hexagonal socket flat-head cap screw)
• Phillips screwdriver
• Tension Gauge (that is available for pulling with 200N)
• Long Tie-Band (thin string)
[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.
3) After tension adjustment of the belt, remove the following bolts and circular washers that are
attached for position repeatability of the motor with 2.5mm-sized hexagonal wrench.
Hexagonal Socket
Head Bolt
The washer is attached in
close contact with the motor
bracket.
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