5. Maintenance and Inspection
3) If the belt is to be replaced at the same time, remove the following bolts and circular washers
that are mounted for position repeatability of the motor by 2.5mm-sized hexagonal wrench,
after tension adjustment of the belt,
4) Loosen the bolts (where marked with a circle; two bolts for RA4R, four bolts for RA6R, RA7R,
and RA8R) holding the motor with a 2.5mm-sized (RA4R), 3mm-sized (RA6R/RA7R) or
4mm-sized (RA8R) hexagonal wrench.
Replace the belt if it is necessary.
RA4R RA6R, RA7R, RA8R
5) Detach the belt off the pulleys.
6) Pull out four bolts and remove the motor unit.
Hexagonal Socket
Head Bolt
The washer is attached in
close contact with the motor
bracket.
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