TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
Page 312 of 1205
TM 9-2320-387-24 -1 STARTER CIRCUIT BATTERY VOLTAGE OK ENGINE CRANKS SLOWLY 1 POSSIBLE PROBLEMS 1 WEAK BAlTERIES STARTER ENGINE MECHANICAL CABLES/CONNECTIONS I I KNOWN INFO BAlTERIES OK STARTER OK POSSIBLE PROBLEMS CABLES/CONNECTIONS IS THE STARTER AVERAGE CURRENT 200-300 AMPS? DIAGNOSTIC FLOWCHART - 1 OPTIONS 1. STEXE-R TEST 71 (Page 2-500; 2. MULTIMETER AT SHUNT REASON FOR QUESTION This is to check the condition of the starter and the batteries. AS 1 I ARE THE CABLE VOLTAGE DROPS LESS THAN 0.25 VOLT? CABLES OR IF THE ENGINE STILL CRANKS SLOWLY, YOU PROBABLY HAVE AN INTERNAL ENGINE OR TRANS- MISSION PROBLEM THAT IS PREVENTING THE ENGINE FROM CRANKING PROPERLY. RUN THE COMPRESSION/MECHANICAL TEST, PARAGRAPH 2-30 (Page 2-l 47). OPTIONS 1. STEIICE-R TESTS 69,69 (Page 2-496.2-506) 2. MULTIMETER , REASON FOR QUESTION High voltage drops indicate bad cables or connections. 2-256