Nord Drivesystems B 1000 - Troubleshooting and Repairs

Gear units – Operating and Assembly Instructions
74 B 1000 en-4419
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7.5 Troubleshooting
WARNING
Danger of slipping in case of leaks
• Clean the soiled floor before starting troubleshooting.
NOTICE!
Gear unit damage
• Shut down the gear unit immediately in case of malfunction.
Gear unit malfunctions
Fault Possible cause Remedy
Unusual running noises,
vibrations
Oil too low or
bearing damage or
gear wheel damage
Consult NORD Service
Oil escaping from gear unit
or motor
Defective seal Consult NORD Service
Oil escaping from pressure vent
Incorrect oil level or
incorrect, contaminated oil or
unfavourable operating conditions
Oil change,
use oil expansion tank (Option OA)
Gear unit becomes too hot
Unfavourable installation conditions
or gear unit damage
Consult NORD Service
Shock when switching on,
vibrations
Defective motor coupling or
loose gear unit mounting or
defective rubber element
Replace elastomer gear rim,
tighten motor and gear unit
fastening bolts,
replace rubber element
Output shaft does not rotate
although motor is running
Fracture in gear unit or
defective motor coupling or
shrink disc slippage
Consult NORD Service
Table 15: Overview of malfunctions
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