Figure 7-11. No; Solenoid Valve Replacement - Thermo Scientific 42i Instruction Manual

Solenoid Valve
Replacement
Thermo Fisher Scientific
Moly Converter Assembly
O Converter
3
Captive Screws (4)
Figure 7–11. NO
6. Remove the six screws holding the top housing assembly to the bottom
half.
7. Remove the converter cartridge/heater assembly from the bottom
housing assembly.
8. 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.
9. To replace converter, follow previous steps in reverse. Note Be sure to
wrap the O
Use the following procedure to replace a solenoid valve
Equipment Required:
Solenoid valve
Wrench, 5/16-inch
Philips screwdriver
-to-NO Molybdenum Converter Assembly
2
converter tube snugly around the heater.
3

Solenoid Valve Replacement

Top Housing Assembly
Heater Assembly
Thermocouple Leads
and Heater Connector
Bottom Housing Assembly
(Figure
Model 42i Trace Level Instruction Manual
Servicing
7–12).
7-23