Checking Operational Efficiency - BONFIGLIOLI VF Series Installation, Operation And Maintenance Manual

Do not disperse contaminant liquids, worn parts and maintenance residues in the environment.
Dispose of all such substances in strict compliance with applicable statutory legislation.
• Respect scheduled inspection and maintenance intervals to ensure the correct functioning of the gearbox
and the effectiveness of the explosion protection.
• Allow the gearbox to cool down completely before servicing or repairing internal components in order to
avoid burns from hot internal parts.
• On completion of maintenance work, make sure that all safety devices have been applied and reset.
• Clean the gearbox thoroughly after maintenance or repair.
• On completion of maintenance, tighten all vent, filler and level plugs to the torque values specified in the
"INSTALLING THE GEARBOX" section of this manual.
• Apply fresh Loctite 510 paste (or a product with similar properties and application range) to all
disassembled threads (bolts and plugs).
• On completion of any maintenance work, renew all seals and re-apply sealing compound as specified.
On gearboxes with double seal rings, the space between the two rings must be packed with synthetic
grease such as Fluorocarbon 880 ITP gel (or a product with similar properties and application range).
• Regardless of the type of gearbox, whenever a seal ring is replaced, its lips should be smeared with a thin
layer of grease such as Fluorocarbon 880 ITP gel (or a product with similar properties and application
range) before it is fitted.
• Use only original spare parts for repairs.
6.1

CHECKING OPERATIONAL EFFICIENCY

Periodically remove any dust from the gearbox and motor casings.
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Check that the noise generated at constant load does not vary. Excessive vibration or noise can indicate
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wear of the gear train or failure of a bearing.
Check power absorption and voltage against the nominal values given on the motor's nameplate.
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On brake motors, check the friction surfaces and friction material for wear and adjust the gap if necessary.
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Check for lubricant leaks from the gaskets/seals, plugs, casings and pipes.
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Check that temperature does not rise above normal operating levels (refer to chapter "ALLOWED
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TEMPERATURE LIMITS") unless this is justified by a corresponding increase in the applied load,
rotation speed, ambient temperature or other factor. If temperature rises, stop the gearbox immediately
and identify the cause of the fault.
Check all bolt couplings for wear, deformation and corrosion and tighten the bolts correctly, without
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exceeding the torque values specified in the "INSTALLING THE GEARBOX" section in this manual.
IOM Manual VF-W_ATEXgb - Translation of original instructions in Italian - Rev 03_0 - 30/09/16
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