TM 10-4610-215-24TM 08580A-24/2(10) Close valve "A".(11 ) Slowly open valve "B" until pressure-differential gage reads 150 psid (10.55 kg/cm2d).(12) Close valve "B".(13) Leave setting for five minutes to verify gage seal. Reading will remain unchanged.(14) Slowly open valve "A" until gage returns to 0 psi.(15) Remove weights.(16) Open valve "B".(17) Remove gage from tester.f. RepairorReplace.(1) Reseal crystal into case, if loose.(2) Conduct a corrosion control program when coating shows signs of pitting in the form of deep cavitiesof small diameter (either localized or over large areas), peeling of the case coatings, cracks, abrasions, orchemical deterioration where dissimilar metals meet (particularly where gage metal meets mounting hardware orpipes).(3) Tighten loose connections to pressure systems.(4) Replace damaged, unrepairable, or unserviceable gage assembly.3-24. CARTRIDGE FILTER GAGE.a. General.To verify serviceability or detect mechanical failure, test the CARTRIDGE FILTER gage bynondestructive testing methods. This paragraph describes the inspection, cleaning, and tests to determineserviceability and accuracy of the gage.b. Removal. If necessary, remove cartridge filter gage assembly in accordance with paragraph 2-68.c. Inspection.(1) Inspect exterior coatings and case metal for signs of corrosion resulting from spray of water containingsalts and other chemicals.(2) Inspect for watertight integrity.(3) Inspect connections to pressure system, particularly threaded connections and machined socket andflared ends.3-107
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