TM 5-3895-373-20 780T VEHICLE TEST CARD MEASUREMENTS THROUGH DCA-4 VTM VTM Test Offset Limits No. Measurement Name No. Limits Operating Conditions Min Norm Max Units 1 Engine Speed 10 --- Engine, Idle 500 650 850 rpm Engine Speed 10 --- Engine, Full Speed 2600 2650 2680 rpm 2 Engine Compression Unbalance 14 - - - Warm Engine - - - --- --- % 3 Fuel Supply Pressure 24 -4.5 - +4.5 - - - 3 6-8 15 psi 4 Fuel Filter Pressure Drop 26 --- --- --- Pass/Fail --- --- 5 Fuel Solenoid Voltage 27 - -- Ignition Switch On 12.3 volts 6 Air Cleaner Pressure Drop 28 -9 to +9 Engine, Full Idle  --- --- 25 psi 7 Turbosupercharger   Outlet Pressure 30 +7.5 Engine, Full Idle 0-30.5 --- in. Hg 8 Engine Oil Pressure 35 ±15 Warm Engine, Low Idle 10 --- --- psi Engine Oil Pressure 35 ±15 Warm Engine, Full Idle 40 - -- - - - psi 9 Engine Oil Filter Pressure Drop 36 ±3.75 Warm Engine, Full Idle - - - --- 24 psi 10 Engine Coolant Temperature 38 ±45 - - - 140 170-200 220 deg F. 11 Battery Voltage 67 - -- Engine, Off 22 - - - --- volts 12 Starter Motor Voltage 68 - - - Cranking 17 --- --- volts 13 Starter     Negative     Cable Voltage Drop 69 --- Cranking --- --- 1.2 volts 14 Starter Solenoid Voltage 70 - - - Cranking 18 - - - --- volts 15 Starter Current Average 71 ±150 Cranking 35 - -- 600 amp 16 Starter Current First Peak 72 ±150 Cranking 600 - - - 1300 amp 17 Battery Internal Resistance 73 +150 Crank on GO --- 5-17 --- milliohm 18 Starter Circuit Resistance 74 +150 Crank on GO - - - 3-22 25 milliohm 19 Battery Resistance Change 75 ±150 Crank on GO - - - - - - 25 milliohm /sec 20 Battery Current 80 ±150 Cranking 35 - - - 600 amp 21 Alternator Output Voltage 82 - - - 1000-1200 rpm, Access on - - - 25-27.5 21.5 volt 22 Alternator Field Voltage 83 - -- 1000-1200 rpm, Access on - - - 24 27.5 volt 23 Alternator  Negative  Cable Voltage Drop 84 --- 1000-1200 rpm - -- - - - 0.5 volt 2-385