4
Mechanical installation
Installation requirements
Operating Instructions – MOVIMOT
®
advanced
28
4.2.1 Installation tolerances for motor shaft ends
The following table shows the permitted tolerances of the shaft ends and flanges of
the drive unit.
Shaft end Flanges
Diameter tolerance according to
EN50347
• ISO j6 at Ø ≤28mm
• ISO k6 at Ø ≥ 38mm≤ 48mm
• ISO m6 at Ø ≥ 55 mm
• Center hole according to DIN332,
shape DR..
Centering shoulder tolerance according
to EN50347
• ISO j6 at Ø ≤ 250mm
• ISO h6 with Ø ≥ 300 mm
4.2.2 Tolerances for torque ratings
The specified torques must be adhered to with a tolerance of +/-10%.
4.3 Installation requirements
Check that the following conditions have been met:
• The information on the drive unit's nameplate must match the voltage supply sys-
tem.
• The drive unit is undamaged (no damage caused by shipping or storage).
• Ambient temperature according to the operating instructions, nameplate and lubri-
cant table in the gearmotor catalog "DRN63 – 315, DR2S56 – 80, DR2L71 – 80".
• The drive unit must not be installed in the following ambient conditions:
– Potentially explosive atmosphere
– Oils
– Acids
– Gases
– Vapors
– Radiation
• For special designs: The drive unit is designed in accordance with the actual ambi-
ent conditions.
• Clean the output shafts and flange surfaces thoroughly to ensure that they are free
of anti-corrosion agents, contamination or similar. Use a commercially available
solvent. Do not expose the sealing lips of the oil seals to the solvent – damage to
the material.
• When the drive is installed in abrasive ambient conditions, protect the output end
oil seals against wear.
25891936/EN – 05/2020
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