Mitsubishi P91W Instruction Manual download pdf (Page 111)

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101

9 Maintenance

This chapter includes instructions for maintaining the universal hood in proper

working condition by replacing parts.

UV Transilluminator Lamp and Starter

Replacement

Note: The UV filter surface should always be kept clean from the

chemical agents used as gel dyes. Use protective gloves when

touching the UV transilluminator cover.

Depending on usage, the UV bulbs and starters last for many years. Replace

bulbs when you notice them flickering. If a bulb does not turn on when it is

new or moved, replace the bulb starter and test the bulb again.

Three types of bulbs are available. The catalog numbers are listed in Ordering

Information on page 118. The standard bulb is 302 nm. Optionally, the 254 nm

bulb is used for cross-linking of protein, and the 365 nm bulb is used to

minimize denaturing of DNA.

To replace the lamps:

1. Turn off the power.

2. Disconnect the power cord from the universal hood.

3. Remove the four screws located on the left/right sides of the

transilluminator cover.

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Mitsubishi P91W Instruction Manual Page 111