TM 5-3895-373-20REFERENCE INFORMATIONENGINE AND ENGINE LUBRICATION SYSTEMOIL PRESSURE TEST - STE/ICE-R TEST 35DESCRIPTIONTEST PROCEDURESMeasures engine oil pressure.1.Set TEST SELECT switches to 35.Transmitter: 12258932-62.Make sure no stimulus is applied to transmitter (shutDCA Test Pins: y and zMeasurement Range: 0 to 100 psi3.Press and hold TEST button until CAL appears onPRE-TEST PROCEDURESdisplay.Run confidence test per TM 9-4910-571-12&P.4.Release TEST button and wait for offset value to appear ondisplay. If offset value is within -15 to +15 psi, proceed.POSSIBLE ERROR MESSAGES005Required offset test was not performed.5. Press and release TEST button.6.Run warm engine at test speed per TM 5-3895-373-10.7.Observe displayed value. Displayed values are in pounds perinch (psi). Expected display values are:@500 to 850 rpm10 psi, minimum@2640 ±40 rpm40 psi, minimumSTE/ICE-R test #35 measures the true oil pressure under low and fast idle conditions.OIL FILTER PRESSURE DROP TEST - STE/ICE-R TEST 36DESCRIPTIONTEST PROCEDURESMeasures the pressure drop across the engine oil filter as1.Set TEST SELECT switches to 36.indicator of filter element clogging.2.Shut engine off.DCA Test Pins: AC and ADMeasurement Range: 0 to 25 psi 3. Press and hold TEST button until CAL appears ondisplay.PRE-TEST PROCEDURES4.Release TEST button and wait for offset value to appearRun confidence test per TM 9-4910-571-12&P.on display. If offset value is within -3.75 to +3.75 psi,proceed.POSSIBLE ERROR MESSAGES5.Press and release TEST button.005Required offset test was not performed.6.Run warm engine with throttle control at MAX per TM 5-3895-373-10.7.Observe displayed value. Displayed values are inpounds per inch (psi). Expected display value is 24psi, maximum.STE/ICE-R test #36 measures the pressure drop across the oil filter. A pressure drop reading over 24 psi indicates thatthe engine oil filter element needs to be changed.2-41
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