Thermo Scientific 42i Instruction Manual page 201

Reaction Chamber
Cleaning or Removal
Thermo Fisher Scientific
Use the following procedure to clean or remove the reaction chamber (see
Figure 7–9).
Equipment Required:
Allen Wrench, 9/64-inch
Wrench, 7/16-inch
Wrench, 9/16-inch
Equipment Damage Some internal components can be damaged by small
amounts of static electricity. A properly ground antistatic wrist strap must
be worn while handling any internal component.
1. Remove PMT cooler as described in
Chamber Assembly
2. Disconnect all plumbing connections from the reaction chamber.
3. Remove the three socket head screws fastening front of reaction
chamber to rear (Figure
sections of the reaction chamber and the quartz window. To clean these
surfaces use cotton swabs and methanol.
4. To continue removing rear of reaction chamber remove the three
socket head screws holding it to cooler, being careful to keep quartz
window and red filter in cooler body.
5. To reinstall reaction chamber, follow previous steps in reverse, making
sure to backfill the cooler with dry air or nitrogen prior to installing
reaction chamber.
6. Re-install the measurement bench. Refer to
Measurement Bench and Lowering the Partition
"PMT Cooler and Reaction
Replacement" in this chapter.
7–9). This exposes the inner surfaces of both
Servicing
Reaction Chamber Cleaning or Removal
▲
"Removing the
Panel" in this chapter.
Model 42i Instruction Manual 7-17