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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 4
mm-sized (RA8R) hexagonal wrench.
Replace the belt if it is necessary.
RA4R
RA6R, RA7R, RA8R4
5) Adjust the belt tension.
Hand a cable band (thin string) on the edge of the motor unit and pull it on a tension gauge
with the specified load (specified value of the belt tension).
When the load reached the specified, tighten the bolts (where marked with a circle) with a
2.5mm-sized (RA4R), 3mm-sized (RA6R/RA7R), or 4mm-sized (RA8R) hexagonal wrench to
hold the unit in the place.
Model
Tension Force
RA4R
20 to 25N
RA6R
25 to 30N
RA7R
80 to 90N
RA8R
180 to 200N
Belt
Belt
Tie-Band (thin string)
Summary of Contents for ROBO Cylinder RCP6
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