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Brake Chopper
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
Inspection item
category
Power supply
Voltage
Power cable
Power cable
Signal line
Signal line
Crimp terminal
Terminal
and cable / line
connection
Crimp terminal
and terminal block
Visual
appearance
Fan
Brake chopper
Cooling system
(radiator, inlet, outlet)
Printed circuit board
Connection
Accessories
Cable
Tab. 11-2: Periodic inspection list
DOK-RCON04-VFC*BRAKE**-IT01-EN-P
Inspection criteria
Specified in nameplate
No color change or damage
No loose connection
No deformation
No color change
or deformation
No blockage
or contamination
No blockage
or foreign matters
No dust or oil contamination
No loose connection
No color change or damage Replace cable
Bosch Rexroth AG
Maintenance
Solution
3P: 380...480 VAC
(-15 % / +10 %)
Replace cable
Replace signal line
Tighten crimp
and terminal screw
Contact with service
Replace fan
Eliminate blockage
and clean fan
Eliminate blockage
and clear foreign matters
Clean printed
circuit board
Tighten terminal screw
53/65
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