R..7, F..7, K..7, S..7, Spiroplan
®
W Gear Units – Operating Instructions
31
6
Troubleshooting
6
Troubleshooting
6.1
Gear unit problems
Problem
Possible cause
Remedy
Unusual, regular running
noise
A
Meshing/grinding noise: bearing damage
B
Knocking noise: irregularity in the gearing
A
Check oil (see Inspection and Maintenance),
replace bearing
B
Call customer service
Unusual, irregular running
noise
Foreign bodies in the oil
•
Check oil (see Inspection and Maintenance)
•
Stop the drive, call customer service
Oil leaking
1)
•
from the gear unit cover
•
from the motor flange
•
from motor oil seal
•
from gear unit flange
•
from the output end oil
seal
1) It is normal for small amounts of oil/grease to leak out of the oil seal during the running-in period (24 hour running time) (also see DIN
3761).
A
Defective rubber gasket on gear unit cover
B
Defective gasket
C
Gear unit not vented
A
Retighten screws on gear unit cover and observe
gear unit. Oil still leaking: Call customer service
B
Call customer service
C
Vent the gear unit (see Mounting Positions)
Oil leaking
from the breather valve
A
Too much oil
B
Drive installed in incorrect mounting
position
C
Frequent cold starts (oil foaming) and / or
high oil level
A
Correct oil level (see Inspection and Maintenance)
B
Fit the breather valve correctly (see Mounting Posi-
tions) and adjust oil level (see Lubricants)
Output shaft is not rotating
although the motor is run-
ning or the input shaft is
rotating
Shaft hub connection interrupted in the gear
unit
Send in gear unit/geared motor for repair
Please have the following information available if you require assistance of our
customer service:
•
Nameplate data (complete)
•
Type and extent of problem
•
Time and circumstances of problem
•
Possible cause
Summary of Contents for F 27 Series
Page 2: ...SEW EURODRIVE...
