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TROUBLESHOOTING & REPAIR PROCEDURES
Model 300E Carbon Monoxide Analyzer
Instruction Manual
218
P/N 04288 Rev: A
Pneumatic Connector, Male 1/8”
(P/N FT_70
Spring
(P/N HW_20)
Sintered Filter
(P/N FL_01)
Critical Flow Orifice
(P/N 00094100)
O-Ring
(P/N OR_01)
Purge Housing
(P/N 000850000)
Figure 11-6: Critical Flow Restrictor Assembly Disassembly
11.6.2.
Removing/Replacing the GFC Wheel
When Removing or replacing the GFC Wheel it is important to perform the
disassembly in the following order to avoid damaging the components:
25. Turn off the analyzer.
26. Remove the top cover as described in “Getting Started” Section 3.1.
27. Open the Instruments hinged front panel.
28. Locate the GFC Wheel/Motor assembly (see Figure 3-5).