9
Maintenance and repair
9.1
Cleaning and servicing
Danger! Electric voltage! Operations in the vi‐
cinity of live parts are extremely dangerous.
WARNING
Work required on the electric system may only be carried out
by skilled electricians. Tools for electricians (VDE tools) are
absolutely necessary.
Prior to commencing work:
1. Isolate (even auxiliary circuits).
2. Secure against reactivation.
3. Ensure de-energization.
4. Ground and short-circuit.
5. Cover or shield any adjacent live parts.
Personal and material damage during main‐
tenance work in operation!
WARNING
●
Never carry out maintenance work on running ma‐
chines.
●
While carrying out maintenance work, secure the ma‐
chine such that it cannot restart or be used by unauthor‐
ized persons.
Hot surfaces with temperatures over 60 °C
may cause burns!
CAUTION
●
Allow the motors to cool down prior to commencing
work.
●
Wear safety gloves.
●
Do not work on hot surfaces.
Motors
Dirt, dust or chips may adversely affect the functionality of the motors and, in
extreme cases, even cause a failure of the motors. Clean the cooling ribs of
the motors at regular intervals, in order to reach a sufficiently large heat radi‐
ation surface. If the motors are dirty, sufficient heat dissipation via the envi‐
ronmental air is not possible any longer.
An insufficient heat radiation may have undesired consequences. The bear‐
ing lifetime is reduced by operation at impermissibly high temperatures. Drive
fault "motor overtemperature switch-off" despite operation on the basis of se‐
lected data, because the appropriate cooling is missing.
MS2E Synchronous Servomotors acc. to ATEX Directive
2014/34/EU
51/65
Maintenance and repair
R911387136_Edition 02 Bosch Rexroth AG
