TM 9-2350-261-34R E P A I R R A D I A T O R A U X I L I A R Y T A NKINITIAL SETUPTools:References:Metal Worker’s Tool Kit (Item 61, App B)See your -20Degreaser (Item 22, App B)TM 43-0139Radiator Test Plug Set (Item 75, App B)TM 9-237Radiator Test Stand (Item 91, App B)Equipment Conditions:Personnel Required:Radiator auxiliary tank removed from carrierMetal Worker 44B10(see your -20)REPAIR1. Degrease tank ( 1). Use degreaser.3.4.WARNINGDo not exceed 20 psi (137kPa) pressure while testingauxiliary tank. Ensure aux-iliary tank is submerged be-fore applying air pressure.Do not direct pressurizedair at yourself or others. Always weargoggles.Attach tank (1) to radiator test stand.NOTEThere are two ways to pressure test tank.If using water pressure, do step 3, then goto step 5. If using air pressure, go tostep 4.Apply internal water pressure of 18–20 psifor minimum of 3 minutes. Check for waterleaks.Submerge tank (1) in3 minutes. Check forwater and applyfor minimum ofair leaks.NOTEMark areas of leaks and remove all plugsbefore welding.5.67.Weld areas of leaks in accordance withTM 9–237. Weld all sizes to minimumrequirement for lead repair.Repeat step 3 or 4 after welding.Refinish tankTM 43-0139.(1) in accordance withFOLLOW-THROUGH STEPS1. Install radiator auxiliary tank (see your –20).END OF TASK5-52.pressure of 18-20 psi
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