ThermoFisher Scientific 146iQ, Инструкция по эксплуатации

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Servicing
Sample/Ref Valve and Ext/Int Valve Replacement
7-56 146iQ Instruction Manual Thermo Scientific
Use the following procedure to replace the sample/reference valve and
external/internal valve.
Equipment required:
Phillips drive, #2
Hex drive, 9/64
Adjustable wrenches, qty 2
Needle nose pliers
1. Turn instrument OFF, unplug power cord, and remove the cover
(
Figure 2–1 ).
2. Unplug desired valve. Refer to Figure 7–57 and Figure 7–58 .
3. Using two adjustable wrenches (one to hold fitting body and one to
loosen the nut), disconnect plumbing 2X.
Do not disconnect the
other 2X barb fitting with wrench . Use needle nose pliers.
4. Using a #2 Phillips drive, unfasten captive hardware.
Figure 7–63. Replacing Sample/Ref Valve and Ext/Int Valve, Electrical
5. Using a 9/64 hex drive, unfasten two 8-32 soc cap head screws.
Sample/Ref Valve
and Ext/Int Valve
Replacement