RAS MULTIBEND 9000 - Page 55

MAINTENANCE
4.4. REPLACING
THE
FILTER
MAT
(in
the
switchgear
cabinet)
The
filier
mals in the switchgear cabinet
ventilation system must be inspected regularly
for dirt
and replaced
if necessary
(refertothe
enclosed drawingof
theswitchgearcabinet RAS 74.20-40).
A
replacement set of filter mats has been
provided
in the switchgear cabinet.
4.5.
SERVOMOTOR
Refertothe operating
instructions
(SIEMENS)
-
servomotors 1HU3 05
andtachogenerator 1HU'l
052
-
enclosed
in the Annex for information on
the regular maintenance of the servomotor
with
lachogenerator
-
above all with reference
to maintenance of the commutator, the carbon
brushes
and their
replacement.
RAS 74.20-40
MULTIBEND
9OOO
::tl
SepbmberT, 19t13
4-7