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For installations in zones 21 and 22 the User must schedule and implement a regular
cleaning programme for all surfaces and recesses to avoid dust build-ups of more than 5
mm in depth.
Every 1000 hrs. of operation or after 6 months:
• Measure the surface temperature at the coupling between the gear unit and motor, and at the
points which are most shielded from the motor’s cooling fan. The maximum temperature must not
exceed the values given in the chapter “ALLOWED TEMPERATURE LIMITS”, nor may this value
be exceeded during operation.
Every 5000 hrs. of operation:
• Change the synthetic oil and bearing grease if the gear unit is not life lubricated.
• Replace all externally accessible seal rings unless this has already been done as a result of
problems occurring before the scheduled maintenance deadline.
8.1 ROUTINE MAINTENANCE
Keep the gear unit at its maximum efciency by following the routine maintenance schedule.
Good maintenance ensures the unit’s maximum performance, extended service life and
continued compliance with safety regulations.
Frequency Component Type of check Action
at start
Gear unit casing
Check that the external
temperature does not exceed
the max. permitted values
Stop the machine and
contact Bon glioli Riduttori
Technical Service
after 200 hrs
Original consignment
lubricant
Replace Replace with new lubricant
External fasteners Check locking torque
Tighten down to speci ed
torque
1000 h
External seals and gaskets
Check oil level Check for
leaks by eye
Service or replace
components as required
2500 h
Lubricant Replace Replace with new lubricant
5000 h
Gear unit seals and gaskets
Inspect carefully for wear/
ageing of external seals
Replace if aged/worn
(A 4)
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