maintenance & safety inspections
file: n:\article\cos14310m5-v1.04hpc-en\20080901_cos14310m5-v1.04hpc-en_manual_h-p-cosmos_running_machine.doc
© 2008 h/p/cosmos sports & medical gmbh [email protected] created 01.09.2008 printed 08.10.2008 page: 116 of 176
[7.J]
Cleansing and adjustment of the speed-sensor/Light-barrier
Depending on the model, the firmware version and the manufacturing date, the machines are equipped with …
N
no speed sensor (so no cleansing required)
N
Light barrier and incremental waver mounted without housing at the front (drive shaft) of the drive engine.
N
Device from the construction year app. 2003 onwards have instead of the light barriers an induction sensor with
metal toothed lock washer.
N
Only at oversize running machines with a running surface of 200/75cm up to 300/125cm and up to the
construction year 2002: Speed sensor mounted in its own housing at the rear part (drive shaft) of the drive engine.
Due to the aspect, that the sensors have their own housing, they must not be cleaned.
The light barrier of the drive motor is a pulse generator for the control unit. The light barrier and the incremental glass
should be cleansed carefully with a cloth moistened with alcohol in intervals of 6 - 12 months. In "built in condition" of the
glass you can also clean it with the help of a bristle brush, which has been soaked in alcohol. Clean the optical elements
in between the glass and the light barrier carefully.
Alternatively you can also use a spray (with a thin spraying canal) of fat-dissolving fluid (e.g. braking detergent). The
pressure on the detergent when coming through the spraying canal will cleanse the optics of the light barrier.
When adjusting the light barrier take care to keep the
following guidelines for the spaces between the glass [3]
and the casing [4] of the light barrier: Cleft [1] axial
approx. 1 mm/radial approx. 1 mm left and right
according to illustration above. The imaginary extension
of the light barrier has to pass through the centre [2] of
motor shaft.
Right hand side: The distance [1] between induction
sensors [2] to the cogwheel [3] must not be bigger than
0.8 mm.
