TM-9-2320-272-23-2
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 2 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-2 - Page 250 of 1417
FIELD MAINTENANCE
STE/ICE TROUBLESHOOTING INDEX
STE/ICE TROUBLESHOOTING INDEX
Malfunction/Symptom
Troubleshooting Procedure
STE/ICE TROUBLESHOOTING GO CHAIN TEST
1.
VTM Connections and Checkout.
.....................................................................................................
WP
0188
2.
First Peak Test - Starter Current.
......................................................................................................
WP
0189
3.
Engine Start - Lubrication Check.
.....................................................................................................
WP
0190
4.
Charging Circuit and Battery Voltage Test.
.......................................................................................
WP
0191
5.
Engine Warmup/Coolant Check/Oil Pressure Test.
..........................................................................
WP
0192
6.
Governor Check/Power Test.
............................................................................................................
WP
0193
7.
Idle Speed/Governor Check.
.............................................................................................................
WP
0194
8.
Compression Unbalance Test.
..........................................................................................................
WP
0195
9.
DC Voltage Test.
...............................................................................................................................
WP
0196
STE/ICE TROUBLESHOOTING NO-GO CHAIN TEST
1.
Low Oil Pressure Check.
...................................................................................................................
WP
0197
2.
No Crank - No Start.
..........................................................................................................................
WP
0198
3.
Engine Crank - No Start.
...................................................................................................................
WP
0199
4.
Gauge Test.
......................................................................................................................................
WP
0200
5.
Charging Circuit Tests.
......................................................................................................................
WP
0201
6.
Starter Circuit Tests.
.........................................................................................................................
WP
0202
7.
Battery Tests.
....................................................................................................................................
WP
0203
8.
Governor/Power Test Fault Isolation.
................................................................................................
WP
0204
9.
Engine Tightness Test.
.....................................................................................................................
WP
0205
END OF WORK PACKAGE
TM 9-2320-272-23-2
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0187-1/2 blank
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