96
5.
Maintena
nce and Inspe
ctio
n
4) Loosen the bolts (where marked with a circle; two bolts for RA4R and RA6R, four bolts for
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
(× 2)
(× 2)
RA7R, RA8R
(× 4)
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
Tie-Band (thin string)
Belt
Belt
Belt
Summary of Contents for RCP6
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