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4. Maintenance and Inspection
76
4.8 Procedure for Belt Replacement and Tuning
Application : RCP4-SA4R, SA6R, SA7R
4.8.1
Inspection of the Belt
For inspection work, detach the pulley cover with phillips screwdriver and carry it out by visual.
The period of replacement for the deceleration belt cannot be clearly defined as the durability of it is
impacted so much by the operational conditions.
In generally speaking, it possesses bending life of several million times.
The timing belt gets worn away as the time passes, and it is necessary to have replacement at regular
intervals with the following conditions as reference.
y
When the gear and belt area show obvious friction.
y
When swelling occurs as a result of oil adhesion.
y
When damages such as a crack occurs on the belt gear and back side.
Also, for the toothed belt, it is recommended to set the interval of regular replacement cycle when in use
under high wire fatigue condition in high acceleration and deceleration because it is difficult to judge the
right timing for replacement by checking appearance or looseness of the wires strengthening the belt.
4.8.2
Belt to Use
IAI uses the following belt in our plant
Model IAI Maintenance
Part Code
Manufacturer Model Code
SA4R TB-RCP5-SA4R
60S2M168R
Rubber STS Clean type (Bando Chemical Industries, Ltd.)
SA6R TB-RCP5-SA6R 60S2M208GB Rubbe Super Torque G Bare-back type
(Mitsuboshi belting Ltd. )
SA7R TB-RCP5-SA7R 100S3M243R Rubber STS Clean type (Bando Chemical Industries, Ltd.)
Pulley Cover
Bolt