Bacharach FYRITE Gas Analyzer CO2 and O2 Indicators Operating & Maintenance Manual

Contents

Bacharach FYRITE Gas Analyzer CO2 and O2 Indicators Operating & Maintenance Manual Manual pdf 28 page image

Instruction 0011-9026Page 24mine replacement parts necessary for repair, or drain instrument and return if factoryservice or repair is desired.6.5 Cleaning FYRITEUse only soapy lukewarm water if cleaning is required (lukewarm water is usuallysuffi cient).NOTE: Use of gasoline, naptha, carbon tetrachloride or anyother organic solvent or oil will destroy plastic and rubberparts.6.6 Replacing FYRITE Plastic and Rubber Parts (Refer to IllustratedParts List FYRITE CO2 /O2 [Section 7.0 and Fig. 33])Replace plastic parts when cracked or crazed in location exposed to fl uid and rubberparts when badly swollen, warped or showing other evidence of deterioration.In replacing Top Gasket, make certain it is properly centered in the recess provided intop fl ange of FYRITE Body (See Figure 24). When installing plastic Top Cap Assem-bly, be sure that assembly is centered on Top Gasket.To remove Top Cap Assembly or replace Top Cap, Plunger Valve, or Plunger Tip Gas-ket, use the procedure as outlined in Section 6.3.When replacing Plunger Tip Gasket, simply depress Plunger Valve against its springlimit and strip old Gasket from the end of Plunger Valve.Before assembling new Gasket, wet inside surface of Tip Gasket, then force it over theend of Plunger Valve (after depressing Plunger Valve against the spring limit).Make certain that new Tip Gasket is seated uniformly against the mating surface inplastic Top Cap.To replace Diaphragm, stand FYRITE upside down, remove 4 screws and metal Bot-tom Cap.Refer to Figure 25a. Remove old Diaphragm and center new replacement with thelettering facing you, so that after the FYRITE Bottom Cap is installed the letters willface up into its recess. Center Bottom Cap Assembly in Body Recess and reinstall 4screws, observing same precautions in tightening as outlined in Section 6.3.To replace Body, remove the 4 hex head Bezel screws and 4 Bezels. Install Bezels onnew Body.NOTE: Make certain the rubber bezel gaskets are properlyseated and clamped between bezel and body as shown in Figure25.6.7 Aspirator Bulb - Sampling Assembly (Refer to Figs. 26, 27, & 28)Defective Check Valves or a leaking Sampling Assembly can result in sample loss, orsample dilution with resultant loss of accuracy.To inspect Sampling Assembly, seal hole in the center of rubber Connector Tip fi rmly