Figure 7-13. Cleaning Or Replacing The Capillary; Optional Zero/Span And Sample Solenoid Valve Replacement - Thermo Scientific 48i Instruction Manual

Optional Zero/Span
and Sample Solenoid
Valve Replacement
Thermo Fisher Scientific
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 the instrument OFF, unplug the power cord, and remove the
cover.
2. Remove the capillary from the inlet elbow fitting on the pump head.
Capillary
Figure 7–13. Cleaning or Replacing the Capillary
3. Clean with less than 0.015-inch diameter wire or replace.
4. Install the capillary by following the previous steps in reverse.
Use the following procedure to replace the solenoid.
Equipment Required:
Solenoid
Philips screwdriver, #2
Wrench, 9/16-inch

Optional Zero/Span and Sample Solenoid Valve Replacement

Model 48i Instruction Manual
Servicing
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7-27