IAI America RCP4CR-SA7C - Manual (Page 73)

4. Maintenance Inspection
67
4.8 Procedure for Belt Replacement and Tuning
Applicable Untis : RCP4-SA5R, SA6R, SA7R
4.8.1 Inspection of the Belt
For inspection work, detach the pulley cover with 1.5mm-sized hex wrench and carry it out by visual.
The replacement period cannot be determined in general because the durability of the deceleration belt can
be greatly influenced by the conditions of operation.
It generally has life of hundreds of times for bending movement.
The timing belt requires replacement regularly under the following conditions as a reference since
degradation such as abrasion proceeds as the time passes for usage.
x When remarkable abrasion is confirmed on the teeth or edges of the belt
x When the belt is swelled for such reasons as oil being attached on
x When damage is confirmed such as crack on the tooth or back of the belt
Also, since it is difficult to confirm the degradation of the core wires to retain the strength of the teethed belt
by visual or looseness caused by being elongated, it is recommended to set regular replacement periods in
advance in case the product is used under such conditions that gives the core wires great fatigue due to
high acceleration and deceleration speed.
4.8.2 Belts to be used
The following belt is applied when the product is shipped out from IAI factory.
SA5R/SA6R x 60S2M196GB Rubber Bare back type (Mitsuboshi Belting Ltd.)
SA7R x 100S3M237GB Rubber Bare back type (Mitsuboshi Belting Ltd.)
Pulley Cover
Screw