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, ller and level plugs to the torque values specied 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 specied.
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 tted.
• Use only original spare parts for repairs.
6.1 CHECKING OPERATIONAL EFFICIENCY
●
Periodically remove any dust from the gearbox and motor casings.
●
Check that the noise generated at constant load does not vary. Excessive vibration or noise can indicate
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.
●
On brake motors, check the friction surfaces and friction material for wear and adjust the gap if necessary.
●
Check for lubricant leaks from the gaskets/seals, plugs, casings and pipes.
●
Check that temperature does not rise above normal operating levels (refer to chapter “ALLOWED
TEMPERATURE LIMITS”) unless this is justied 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
exceeding the torque values specied in the “INSTALLING THE GEARBOX” section in this manual.
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IOM Manual VF-W_ATEXgb - Translation of original instructions in Italian - Rev 03_0 - 30/09/16
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