Maintenance, Diagnostics And Troubleshooting; Maintenance; Replacing The Brake And Rotor - Danfoss VLT OneGearDrive Instruction Manual

Maintenance, Diagnostics an...

6 Maintenance, Diagnostics and Troubleshooting

WARNING
HIGH VOLTAGE
High voltage, which can lead to death or serious injury,
is present on the connectors.
•
Before working on the power connectors
(disconnecting or connecting the cable),
disconnect the power supply module from line
power and wait for the discharge time to
6 6
elapse.
•
Installation, start-up, maintenance, and
decommissioning must be performed by
qualified personnel only.
CAUTION
DANGER OF BURNS
The surface of the OneGearDrive and the oil in the
OneGearDrive can reach high temperatures during
operation.
•
Do not touch the OneGearDrive until it has
cooled down.
•
Do not carry out an oil change until the oil has
cooled down sufficiently.

6.1 Maintenance

To prevent breakdown, danger and damage, examine the
OneGearDrive at regular intervals depending on the
operating conditions. Replace worn or damaged parts
using original spare parts or standard parts.
Contact your local service representative for service and
support:
www.danfoss.com/Contact/Worldwide/
18
Instruction Manual
The OneGearDrives are largely maintenance free. The
maintenance tasks listed in Table 6.1 may be performed by
the customer. No other tasks are required.
Component
OneGearDrive
Protective
coating
Hollow shaft
seal (stainless
steel shaft)
Hollow shaft
seal (mild steel
shaft)
Oil
Table 6.1 Overview of Maintenance Tasks

6.1.1 Replacing the Brake and Rotor

All work must only be carried out by qualified technical
personnel on a stationary machine that has been protected
against restarting. This also applies to auxiliary circuits.
Danfoss A/S © 08/2014 All rights reserved.
Maintenance Maintenance
task interval
Check for Every 6
abnormal months.
noise and
vibration.
Check for Every 6
damage. months.
Check the Every 6
condition and months.
check for
leakage.
Check the Every 6
condition and months.
check for
leakage.
Change the oil. Standard oil:
After 25,000
operating
hours.
Food grade oil:
After 35,000
operating
hours.
Check for oil Every 12
leakage on months.
gear and
motor housing.
Instruction
Contact
Danfoss
Service.
Repair damage
using the
Danfoss paint
repair set.
If damaged,
replace with a
Viton seal.
If damaged,
replace with
an NBR seal.
See
chapter 6.4.4 C
hanging the
Oil.
Replace the
OneGearDrive.
MG75C422