TM 10-4620-215-24TM 08580A-24/2(4) Run water through meter at a rate of 140 gpm (530 Ipm). If meter reading varies from flow rate bymore than 4.2 gpm (16 Ipm), discard meter.d. Inspection.(1) Inspect dial crystal for cracks or scratches.(2) Inspect dial face for legibility. Make sure needle can move freely.(3) During test, check meter body and dial for leaks.e. RepairorReplace.(1) Replace damaged, unrepairable, or unserviceable flowmeter assembly.(2) Send replaced backwash water flowmeter assembly to next higher level of maintenance.f. PackagingforReissue.(1) Tag tested serviceable flowmeter assembly for identification.(2) Seal flowmeter assembly in a polyethylene bag.(3) Package flowmeter assembly for reissue to Unit Maintenance.3-29. BRINE WATER FLOWMETER.a. General.The BRINE WATER FLOWMETER shows the rate at which brine water is flowing out of the R.O.vessels. This paragraph describes test and inspection of the BRINE WATER FLOWMETER.b. Removal. If necessary, remove brine water flowmeter assembly in accordance with paragraph 2–69.c. Test.CAUTIONBe sure to attach water source to inlet port of meter, which ismarked IN. Running water backwards into the outlet port candamage meter.NOTEPipe leading to meter inlet (IN) for test must be straight for atleast 20 inches (50 cm) before entering meter. Othenwise, testwill not be accurate.3-113
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