Uvp TB-101 Selector Switch Manuale Utente

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Transilluminator Selector Switch Replacement
Overview
The purpose of this Technical Bulletin is to explain the process of uninstalling a faulty selector
switch and installing a replacement switch on a UVP transilluminator. This instruction applies to
transilluminator selector switches used either for wavelength or intensity selection.
To complete this procedure, the following tools will be required:
Phillips-head screwdriver
1/16" Allen wrench
Pliers
Flat-head screwdriver
Caution: This procedure requires a moderate level of technical competence. If you are not
comfortable working with electronics, tools and/or related components, contact UVP for
information on returning your transilluminator for repair or replacement.
Note: For information on replacing the transilluminator power switch, see TB-100, “Power Switch
Replacement Instructions.
Removal Procedure
When performing the following procedure, place all components (screws, nuts, etc.) in a secure
location as they will be reused for installation.
1. Turn off the transilluminator by placing the power switch on the front of the unit in the OFF
position. Then, unplug the unit from the wall power.
2. Using a 1/16” Allen wrench, loosen the set screw securing the selector switch knob to the
selector switch shank.
3. While firmly holding the transilluminator housing, pull forward on the knob to remove it from
the selector switch shank. Note: This process may require a fair amount of force as the knob
fits snugly over the shank.
1/16” Allen
Wrench
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Sommario

Pagina 1 - Removal Procedure

TB-101 Rev STD TTeecchhnniiccaall BBuulllleettiinn TTBB--110011 Transilluminator Selector Switch Replacement Overview The purpose of this Tech

Pagina 2

12. With the two sets of two small holes on the filter frame facing toward the front of the unit, replace the transilluminator filter frame on top of

Pagina 3

4. Remove the four Phillips-head screws and washers securing the transilluminator filter frame to the body of the transilluminator. Lifting up, remo

Pagina 4

6. Inside the unit, locate the side reflector panels which are two reflective metal panels located at each end of the transilluminator light tubes. N

Pagina 5 - Installation Procedure

9. Note: Prior to completing this step, make a note of the location of the transilluminator selector switch wiring on the gray wiring junction block.

Pagina 6

Installation Procedure 1. Looking at the front of the replacement selector switch, note the position of the alignment tab. When installing the new s

Pagina 7

4. Thread the securing nut onto the shank of the selector switch. Hand tighten the nut, and then use the pliers to tighten the nut snugly. Again, ver

Pagina 8

6. The selector switch knob does not have a groove or flat surface to align on the selector switch shank, so it is necessary to visually align the wh

Pagina 9

8. Route the wiring from the selector switch to the gray wiring junction block. Using a flat-head screwdriver, press in on the gray square while push

Pagina 10 - Technical Support

10. The side reflector panels must be aligned with the main reflector panel during reinstallation. a. A small metal tab (a) protrudes from the sid

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