UVP TB-101 Selector Switch User Manual

UVP Health and hygiene

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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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