Operating Instructions – AC Motors DR / DV / DT / DTE / DVE / Asynchrounos Servo Motors CT / CV
33
8
Inspection and maintenance intervals
Inspection / Maintenance
8
Inspection / Maintenance
•
Use only genuine spare parts in accordance with the valid parts list!
•
Always install a new brake control system at the same time as replacing the brake
coil!
•
Motors can become very hot during operation danger of burns!
•
Secure hoist drives or lower them (danger of falling).
•
Isolate the motor and brake from the supply before starting work, safeguarding them
against unintentional power-up!
8.1
Inspection and maintenance intervals
Unit / unit part
Frequency
What to do?
Brake BMG02, BR03,
BMG05-8, BM15-62
•
If used as a working brake:
At least every 3000 hours of opera-
tion
1)
•
If used as a holding brake:
Every 2 to 4 years, depending on
operating conditions
1)
1) The periods of wear are affected by many factors and may be short. The machine designer must calculate
the required inspection/maintenance intervals individually in accordance with the project planning docu-
ments (e.g. "Drive Planning").
Inspect the brake
•
Measure the brake disk thick-
ness
•
Brake disk, lining
•
Measure and set working air gap
•
Pressure plate
•
Carrier / gearing
•
Pressure rings
•
Extract the abraded matter.
•
Inspect the switch elements and
change if necessary (e.g. in case
of burn-out)
Motor
•
Every 10,000 hours of operation
Inspect the motor:
•
Check ball bearings and change
if necessary
•
Change the oil seal
•
Clean the cooling air passages
Motor with backstop
•
Change the low-viscosity grease
in the backstop
Tacho-generator
•
Inspection / maintenance as
described in the enclosed oper-
ating instructions
Drive
•
Varies
(depending on external factors)
•
Touch up or renew the sur-
face/anticorrosion coating.