Siemens SIREMOBIL Iso-C Troubleshooting Manual page 129

Replacing boards and components
Unscrew the two lateral brackets from the coupling unit (3 Allen screws each,
((2/Fig. 43 / p.
Remove the two setscrews of the coupling unit.
of the left setscrew. Also remove the right setscrew (not shown).
Remove the coupling unit from the centering disk.
Take the toothed belt off the pulley.
Place the new belt on the pulley.
Place the coupling unit back on the centering disk, ensuring that the shaft engages with
the intermediate piece.
Press the coupling unit against the centering disk and screw it back on with the two set-
screws
Reinstall the mounting plate including the motor. In doing so, place the toothed belt on
the pulley again, ensuring that the actual value potentiometer and its pulley are not
damaged or bent. Reconnect the motor and incremental encoder.
Reattach the two lateral brackets
two screws
eral screws first, then tighten the top two screws
Tension the toothed belt of the orbital drive again
depressed by thumb pressure on the opposite side, the belt should give approx. 2 to 3
mm.
Perform the mechanical settings according to the Startup Instructions, Chapter 6.
© Siemens, 2008
For internal use only
128)).
((1/Fig. 44 / p. 128)).
((1/Fig. 43 / p. 128)), but do not tighten them completely yet. Tighten the lat-
SPR2-230.840.01.01.02
08.08
((1/Fig. 44 / p.
((2/Fig. 43 / p. 128)). For guidance, first insert the top
((2/Fig. 43 / p.
((1/Fig. 45 / p.
Page 129 of 148
CS PS SP
129
128)) shows the length
128)).
128)). When
SIREMOBIL Iso-C