11.3 Periodic Inspection
In addition to daily inspection, periodic inspection of brake choppers is also
necessary. The inspection cycle should be less than 6 months. For operation de-
tails, please see table below:
Inspection
category
Inspection item
Inspection criteria
Solution
Power supply Voltage
Specified in nameplate
3P: 380...480 VAC
(-15 % / +10 %)
Power cable
Power cable
No color change or damage
Replace cable
Signal line
Signal line
Replace signal line
Terminal
connection
Crimp terminal
and cable / line
No loose connection
Tighten crimp
and terminal screw
Crimp terminal
and terminal block
Brake chopper
Visual
appearance
No deformation
Contact with service
Fan
No color change
or deformation
Replace fan
No blockage
or contamination
Eliminate blockage
and clean fan
Cooling system
(radiator, inlet, outlet)
No blockage
or foreign matters
Eliminate blockage
and clear foreign matters
Printed circuit board
No dust or oil contamination
Clean printed
circuit board
Accessories
Connection
No loose connection
Tighten terminal screw
Cable
No color change or damage Replace cable
Tab. 11-2: Periodic inspection list
Brake Chopper
Bosch Rexroth AG
Maintenance
DOK-RCON03-EFC*BRAKE**-IT01-EN-P
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