Converter Cartridge Heater Replacement - Thermo Scientific 42iQHL Instruction Manual

Converter Cartridge
Heater Replacement
Thermo Scientific
Use the following procedure to replace the converter cartridge heater.
Equipment Required:
Phillips drive, #2
Hex drive, 1/4-inch
1. Turn the instrument OFF, unplug the power cord, and remove the
cover.
2. Remove DMC Converter as described in
Replacement" in this chapter.
3. Using a 1/4-inch hex drive, unfasten six 6-32 hex head screws.
4. Take apart top housing assembly and insulator to get to the heater
assembly.
5. Remove the converter cartridge/heater assembly from the bottom
housing assembly.
6. Remove fitting body to allow clearance for heater to slide out.
7. Loosen the heater clamp, pry heater apart no wider than necessary and
remove the converter cartridge noting the proper orientation of heater
wires and thermocouple probe.
8. To replace converter, follow previous steps in reverse. Note be sure to
wrap the O converter tube snugly around the heater.
3
9. Reinstall in reverse order.
DMC Converter Replacement
"DMC Converter
42iQHL Instruction Manual
Servicing
7-43