INTERFACOM, S.A.
I3000100.DOC 11
6. IMPULSE GENERATOR
6.1.- INTRODUCTION
For the vehicles with mechanical speedometer, you have to use a pulse generator
that is managed by the taximeter.
The pulse generator is inserted in the cable of the speedometer and converts the
mechanical movement of this cable in an electrical signal, which is amplified and
filtered by the taximeter.
6.2.- INSTALLATION (Drawing 9 and 10)
6.2.1. ASSEMBLY OF THE SPEEDOMETER CABLE AND PULSE GENERATOR
(Drawing 9)
First of all part of the protecting cover of this cable must be removed and the cable
must be cut (Drawing 9, item1)
A fixing ring must be put in each of the two extremities of the cable (Drawing 9,
item 2 ) and a square end (Drawing 9 item 3) on both parts that will be fixed by
pressing them on the part indicated in Drawing 9 item 4 with the appropriate pincers
(Drawing 9 item 7) in position “A” or “B“ of depending on the size of the square end.
Afterwards put the cover ends (Drawing 9 item 5) and press them on the part
indicated in Drawing 9 item 6 in the position “C” of the pliers.
Finally all pieces are assembled screwing together the two fixing rings (Drawing 9
item 9) taking into account that the separating space indicated in item 8 Drawing 9
must be sufficient.
6.2.2. CABLE CONNECTION, COVER CLOSING AND PULSE GENERATOR
SUPPORT (Drawing 10)
To connect the pulse generator cable it is necessary to open the pulse generator
cover (Drawing 10 item 1) after taking the closing screw out and moving the cover
in the right direction indicated by the arrow. Connect the cable as indicated on the
Drawing 10 item 2 taking into account the polarity of the connector.
Finally put the pulse generator cover back, fix it or seal it, if it is necessary (Drawing
10 item 3) and place the pulse generator in the corresponding holder (Drawing 10
item 4).
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