TM 10-4610-215-24TM 08580A–24/2NOTEUse cleaning compound that meets MIL-C-81302.d. Inspection.(1) Inspect connection points to pressure system, particularly welds, threaded connections, and machinedsocket and flared ends.(2) Inspect extent of corrosion damage to both case metal and exterior coatings.(3) Inspect for physical abrasions.(4) Inspect for galvanic action where gage touched mountings and piping.e. Testing.(1) Attach “input” side of pressure gage to dead-eight gage tester shown in (figure 3-24).(2) Close valve “A”.(3) Open valve “B”.(4) Add weight equal to differential pressure from 0 to 150 psid (0-10.55 kg/cm2d) in increments of 10psid (0.7 kg/cm2d).(5) Gage reading will be within ± 2% on increasing dial readings.NOTEAt each pressure, leave setting for two minutes to verify gageseal. Reading will remain unchanged.(6) Remove weight.(7) Open valve “A”.(8) Close valve “B”.WARNINGHigh pressure can cause serious injury or death. Take propersafety precautions in case of unit failure during the high pressuretests.(9) Add weight equal to 5000 psi (351.54 kg/cm2).3-105
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