Black Widow Security BW X-Z Series Información técnica descargar pdf (Pagina 130)

Dart Head Disassembly/Reassembly

To clean or replace parts in the dart head:

1. Remove the 4 retaining screws and remove the catch web.

2. Remove the two screws holding the matrix shield to the side of the cabi-

net and remove the shield.

3. Disconnect the switch matrix connector from the target interface card.

4. Hold the spider and segments against the backboard while sliding the

retaining latches off the spider. Do not remove the resting screws at

the bottom of the spider.

5. Grasp the switch matrix, matrix cushion, and spider together as a unit

and gently pull the assembly (top first) off the back board. Keep the

face of the spider and segments angled downward. Tipping the unit

face up will allow the segments to fall out.

6. Lay the assembly face down on a flat surface.

NOTE: It is recommended at this point that the switch matrix, matrix cushion

and spider be marked with a permanent marker before disassembly to

make proper orientation and reassembly easier.

7. Lift off the switch matrix, then lift off the matrix cushion exposing the

segments.

8. Check for dirt, broken tips, or other foreign matter between the spider,

segments, matrix cushion and switch matrix. Check and remove any

broken tips inside the segments. Remove the segments back cover by

gently prying it up. Snap the cover back in place when finished.

9. Replace any worn or broken segments.

10. There is a small locating hole on the outer edge of the yellow spider. It is

smaller and closer to the edge than any other hole. With the spider and

segments face down, position this hole at approximately 10 o’clock (top

and slightly left). The two alignment pins should be near the top and

away from you.

11. Check the matrix cushion for badly worn spots or holes. If none are

found, clean the cushion and set it over the alignment pins and back on

the spider. There is a small “U” shaped cutout on the edge of the cush-

ion. Place the cutout toward the bottom on the right dart head and

toward the top on the left dart head. This cutout will line up with a similar

cutout on the switch matrix in the next step.

12. Clean the switch matrix and place it over the alignment pins and back

on the matrix cushion. On the right dart head the connector tail goes at

3 o’clock and on the left dart head at 9 o’clock. Make sure the cutout

lines up over the one on the matrix cushion. Adjust the matrix cushion if

necessary.

13. Grasp the spider, cushion and switch matrix as a unit. Install it on the

backboard by placing the bottom first on the resting screws. Gently rock

the top backward, aligning the pins with the holes in the backboard, and

Technical

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Black Widow Security BW X-Z Series Información técnica Pagina 130

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