Owner manual

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13. Maintenance and Inspection
13.7 Belt
13.7.1 Inspection of Belt
When inspecting the belt, remove the pulley cover and check the condition visually.
Although the durability of the belt is affected significantly by the operating conditions, generally the belt
has a flex life of several million times.
As a reference on when to replace the belt, replace the belt if any of the following conditions is observed:
 Significant wear of the teeth or end face of the belt
 Swelling of the belt due to attached oil, etc.
 Cracking or other damage to the belt teeth or back
 Breaking of the belt
13.7.2 Applicable Belt
Manufacturer: Mitsuboshi Belting Ltd.
Belt model number (type)
40S2M104G (clean rubber type)
13.7.3 Adjustment of Belt Tension
Remove the pulley cover, loosen the tension adjustment bolts (2 locations), and then move the motor to
the left as shown below to tension the belt. When the adjustment is finished, tighten the tension
adjustment bolts.
Tension
0.51 kgf
Tension adjustment bolts
Nominal thread size Tightening torque
M3
0.83 N-m
(0.085 kgf-m)