Detector Replacement - Thermo Scientific 49i Instruction Manual

Servicing

Detector Replacement

Detector
Replacement
7-30 Model 49i Instruction Manual
5. To install the new photometer board, follow previous steps in reverse.
Use the following procedure to replace a detector
Equipment Required:
Detector assembly
Allen wrench, 9/64-inch and 1/16-inch
Equipment Damage Some internal components can be damaged by small
amounts of static electricity. A properly grounded antistatic wrist strap must
be worn while handling any internal component.
1. Turn instrument OFF, unplug the power cord, and remove the cover.
2. Disconnect the detector electrical connections (CHA and CHB) from
the measurement interface board.
3. Loosen the two screws securing the detector clamping block to the
optical bench and remove the clamping block and detectors
(Figure 7-12).
Figure 7-12. Replacing the Detectors
(Figure 7-11).
Clamping Block Screws (2)
Detector Screws (2)
Clamping Block
Detectors
Thermo Fisher Scientific