5. INSTALLATION
5 - 6
• When the connector (lead outlet) cannot be installed with its end downward by any means, slacken
the cable so that water (oil) may not invade it.
• Make the oil level of the gear box lower than the oil seal lip.
• Provide a vent to prevent the internal pressure of the gear box from rising.
Fig. 5-7
● Connection to the opposite machine
• Perform centering accurately between the motor shaft and the opposite machine as in Fig. 5-8.
Note that when a rigid coupling is used, especially, a slight offset will lead to damage of the output
shaft.
Fig. 5-8 Centering
External
diameter of
the shaft
Oil seal lip
Gear
Oil level
Motor
Slackness
The difference between the maximum and
minimum after measuring four points on the
entire circumference is 3/100 mm or less
(when rotated together with the coupling).
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