TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks
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TM 9-2320-361-24-1 0017 00 0017 00-19 SIMPLIFIED TEST EQUIPMENT FOR INTERNAL COMBUSTION ENGINE—REPROGRAMMABLE (STE/ICE-R) GO CHAIN TROUBLESHOOTING (Contd) Table 2. STE/ICE-R Go Chain Test (Contd). % POWER—MINIMUM LIMIT FOR TEST VEHICLE ALTITUDE 0 TO 2000 FEET 2000 TO 4000 FEET ABOVE 4000 FEET M35A2 (TURBO) LDT-465-1C 60% 50% 45% ALL OTHER VEHICLES 75% 66% 60% TEST NO. TEST 12 13 POWER TEST (RPM/SEC) POWER TEST (% POWER) GOVERNOR CHECK/POWER TEST (Contd) G07 TK MODE PERFORM POWER TEST: • Dial 13 into TEST SELECT switches and press TEST. • Wait for prompting message CIP to appear. • When CIP appears, rapidly press down on accelerator and hold it to the floor until VTM displays OFF. • When OFF appears, release accelerator. • A number representing percentage power will appear on VTM. 2 CAUTION Do not perform power test if engine temperature is above normal operating temperature. However, the engine should be at operating temperature before performing the power test. NOTE The VID of Test GO1 must have been entered prior to the power test. This will prevent an error message (E014) and unsuccessful completion of the power test. If you do not have a VID number, but the number of cylinders were entered in GO1, use Test 12 for power test instead of Test 13. When using Test 12, the first number to appear on the display is the signal to release the accelerator. • Does vehicle have a fuel/water separator? • Proceed to Governor/Power Test Fault Isolation, NG 90 (WP 0018 00). • Service fuel/water separator (WP 0063 00). • Repeat power test. • If power test still fails, proceed to Governor/Power Test Fault Isolation, NG 90 (WP 0018 00). • Is the percentage of power at least the minimum? See chart below. NO YES PROMPTING MESSAGE YES NO • Proceed to next desired test. NG90 (WP 0018 00) GO8