5. Service and Maintenance
www.nord.com B1000 -21-
5. Service and maintenance
5.1 Service and maintenance intervals
Service and Maintenance Intervals Service and Maintenance Work
Information –
see Section
At least every six months -Visual inspection
- Check for running noises
– Check oil level
– Re-grease
(applicable only to free drive shaft / Option W
and on agitator bearings / Option VLII / VLIII)
-Replace automatic lubricator (for operating times
< 8 h/day: a replacement interval for the
lubricant dispenser of 1 year is permissible)
(only with IEC/NEMA standard motors)
5.2
5.2
5.2
5.2
5.2
Every 10000 operating hours, at least
every 2 years
- Change oil (if filled with synthetic oil, this period
is doubled)
Reduction of lubricant replacement interval
under extreme operating conditions (high
humidity, aggressive environment and high
temperature fluctuations)
5.2
At least every 10 years – General overhaul 5.2
5.2 Service and maintenance work
Servicing and maintenance work must only be performed by qualified specialist
personnel.
Installation and maintenance work must only be performed when gear units are at a
standstill. The drive must be isolated and secured to prevent accidental start-up.
Visual inspection
The gear unit must be checked for leaks. In addition, the gear unit must be inspected for external
damage and cracks in the hoses, hose connections and rubber buffers. Have the gear unit
repaired in case of leaks, e.g. dripping gear oil or cooling water, damage or cracks. Please contact
the NORD service department.
Check for running noises
If the gear unit produces unusual running noises and/or vibrations, this could indicate damage to
the gear unit In this case the gear should be shut down and a general overhaul carried out.
Check the oil level
Section 6.1 describes the versions and the corresponding oil level screws. With double gear
units, the oil level must be checked on both units. The pressure vent must be at the position
marked in Section 6.1.
The oil level does not need to be checked on gear units without oil level screw (see Section 6.1).
Gear unit types that are not supplied full of oil must be filled before the oil level is checked. (see
“Changing the oil”)
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