Bosch Rexroth Servodyn-D Series Maintenance Manuallines page 12

1070 066 032 / 03 Servodyn-D
Safety Instructions
DANGEROUS ELECTRICAL VOLTAGE
Unless described otherwise, maintenance works must be per-
formed on inactive systems! The system must be protected
against unauthorized or accidental reclosing.
Measuring or test activities on the live system are reserved to
qualified electrical personnel!
DANGEROUS ELECTRICAL VOLTAGE
Lethal voltages of up to 375 V DC against ground on all power con-
nections and DC link connections!
The drives must not be switched on unless all covers have been
fitted! When the drive has been disconnected from mains, wait for
up to 5 minutes until the system is de-energized before removing
any covers.
The drive must always be examined for safe isolation from supply!
DANGER – WARNING OF HOT SURFACE!
The surfaces of motors can reach temperatures of up to approx.
100 _C.
A touch guard is to be provided where necessary.
CAUTION
Impacts and shocks applied to the shaft end will damage the rotary
encoder and ball bearings!
Drive elements such as pulleys, clutch disks, toothed wheels etc.
may only be assembled or removed by continuously heating up
the drive elements or with a suitable installation or removal tool.
Use the thread in the shaft end.
CAUTION
use only spare parts approved by Rexroth!
CAUTION
Damages to the module or inverter by removing plug-in connec-
tions.
All plug-in connections to the encoder may only be inserted or re-
moved while the drive is switched off.
Electric Drives Bosch Rexroth AG
and Controls
1–7