Service
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5.6 57BIR-source
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Fig. 37: Infrared source
– The IR sources (2) are fastened with the screws (3)
• To install or removing the IR-source (2), the complete chopper
motor assembly (1), together with the mounted paths and pre-amplifier,
should be removed from the infrared unit.
See chapter IR paths cleaning and replacing
– The chopper motor housing (1) does not need to be unscrewed. Either by
removing or installing the IR-source.
• In order to remove the IR-source, unscrew the nuts (4) with a (5.5 mm
wrench) and counter the screws (3) at the same time.
NOTICE
The position of the IR sources in their housing has to be as shown in the graphics
A and B.