Inspection During Operation; Repair; Oil; Oil Changes - Danfoss VLT OneGearDrive Instruction Manual

Maintenance, Diagnostics an...

6.2 Inspection during Operation

Changes in relation to normal operation, such as higher
temperatures, vibrations or noises, indicate that the
function is impaired. To avoid faults that could lead,
directly or indirectly, to injury to persons or damage to
property, inform the maintenance staff responsible. If in
any doubt, switch theOneGearDrive off immediately.
Carry out regular inspections during operation. Check the
OneGearDrive at regular intervals for anything unusual.
Pay particular attention to:
6 6
•
Unusual noises
•
Overheated surfaces (temperatures up to 158 °F
[70°C] may occur in normal operation)
•
Uneven running
•
Strong vibrations
•
Loose fastenings
•
Condition of electrical wiring and cables
•
Poor heat dispersion
If irregularities or problems occur, contact Danfoss Service.

6.3 Repair

NOTICE!
Always return defective OneGearDrives to the local
Danfoss sales company.
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Instruction Manual

6.4 Oil

6.4.1 Oil Changes

The OneGearDrive is supplied with oil ready for operation.
Table 6.3 shows the oil change intervals based on normal
operating conditions and an oil temperature of approxi-
mately 176 °F [80°C]. The oil change interval must be
reduced at higher temperatures (halve it for each 10 K
increase in the oil temperature).
Oil type
Standard oils
Food grade oils
Table 6.3 Oil Change Intervals
The OneGearDrive has drain and filling plugs which make
it possible to change the oil without disassembly.
When changing the oil, inspect and, if necessary, replace
the seals.
It is necessary to flush the OneGearDrive if the oil grade or
oil type is changed.
Flushing the OneGearDrive
1.
2.
3.
Danfoss A/S © 08/2014 All rights reserved.
Oil change interval
Up to 25,000 operating hours.
Up to 35,000 operating hours.
Drain off the original oil.
Flush out the OneGearDrive with petroleum until
all traces of oil have been removed.
Refill the OneGearDrive with the new oil as
defined on the nameplate.
MG75C422