TM 9-2350-277-20-1
INTRODUCTION TO HOW TO USE TROUBLESHOOTING—Continued
0005 00
’
’
This is the procedure you want.
TM 9-2350-277-20-1
ENGINE CRANKS SLOWLY
0020 00
INITIAL SETUP:
Maintenance Level
References
Unit
See your-10
Tools and Special Tools
General mechanic stool kit: automotive
(WP 0926 00, Item 65)
STE/ICE-Rtest set (WP 0926 00, Item 61)
Personnel Required
Unit Mech 63T10
Helper (H)
Equipment Condition
Engine stopped (see your-10)
Vehicle blocked (see your-10)
1. Perform STE/ICE test 67 battery voltage (WP 0124 00).
2. Does VTM read 22 volts or more?
T
NO
YES
1. Clean, inspect, or replace carrier
batteries (see your-10).
2. Verify no faults found.
TN
Y
1. Repeat STE/ICE test 67 with engine cranking for 3 to 5
seconds (WP 0124 00).
2. Does VTM read 19.2 volts or more?
YES
NO
YN
1. Go to: STE/ICE test 73 and 75
(WP 0130 00).
2. Verify no faults found.
GO TO BY (PAGE 0020 00-2)
NO
2Y
1. Perform STE/ICE test 68 starter positive terminal voltage
(WP 0125 00).
2. Does VTM read 19.2 volts or more?
YES
3Y
2. Does VTM read 0.5 volts or less?
1. Perform STE/ICE test 69 starter negativecable voltage drop l
(WP 0126 00).
YES
0020 00-1
NO
3YN
1. Repair grounds (WP 0382 00), as
necessary , o r replace starter
ground strap (WP 0259 00), or
ground strap from battery to
shunt (WP 0337 00), or ground
strap from shunt to hull
(WP 0870 00).
2. Verify no faults found.
0005 00-5
TM 9-2350-277-20-1
MALFUNCTION/SYMPTOM INDEX WP
0006 00
ENGINE SYSTEM
WP 0014 00
WP 0015 00
WP 0016 00
WP 0017 00
WP 0018 00
WP 0019 00
WP 0020 00
WP 0021 00
WP 0022 00
WP 0023 00
WP 0024 00
WP 0025 00
WP 0026 00
ELECTRICAL SYSTEM
WP 0029 00
WP 0030 00
WP 0031 00
WP 0032 00
WP 0033 00
WP 0034 00
WP 0035 00
WP 0036 00
WP 0037 00
WP 0038 00
WP 0039 00
WP 0040 00
WP 0041 00
WP 0042 00
WP 0043 00
WP 0044 00
WP 0045 00
INSTRUMENT & WARNING LIGHT PANEL INDICATORS
0006 00-1
WP 0048 00
WP 0049 00
WP 0050 00
WP 0051 00
WP 0052 00
ENGINE OVERHEATS.......................................................................................................................
ENGINE OVERCOOLS.......................................................................................................................
ENGINE DOESN T CRANK................................................................................................................
ENGINE DOESN T START (COLD WEATHER ONLY).....................................................................
WAIT INDICATOR FLASHES DURING START ATTEMPTS (PREGLOW
OR AFTER GLOW)...........................................................................................................................
WAIT INDICATOR DOESN T LIGHT.................................................................................................
ENGINE CRANKS SLOWLY..............................................................................................................
ENGINE CRANKS BUT WILL NOT START.......................................................................................
ENGINE CRANKS BUT WON T START BELOW 40 FAHRENHEIT (AIR
BOX HEATER IS USED)...................................................................................................................
ENGINE CRANKS BUT WON T START BELOW 40 FAHRENHEIT
(GLOW PLUGS ARE USED).............................................................................................................
ENGINE RUNS ROUGH, STALLS OR DOESN T PUT OUT FULL
POWER.............................................................................................................................................
GENERATOR MALFUNCTIONS AS INDICATED BY BATTERY/
GENERATOR INDICATOR..............................................................................................................
ENGINE OIL LOW PRESSURE INDICATOR COMES ON................................................................
NO EXTERIOR LIGHTS OPERATE....................................................................................................
BLACK OUT DRIVE LIGHT DOESN T WORK...................................................................................
SERVICE HEADLIGHTS DON T WORK.............................................................................................
INFRARED HEADLIGHT(S) DON T WORK.......................................................................................
SERVICE AND/OR BLACKOUT STOP LIGHTS MALFUNCTION.....................................................
BLACK OUTMARKER LIGHT DON T WORK....................................................................................
SERVICE TAIL LIGHT DOESN T WORK...........................................................................................
TRAILER LIGHTS DON’T WORK.......................................................................................................
HORN DOESN’T WORK. ....................................................................................................................
INSTRUMENT PANEL AND/OR TRANSMISSION CONTROLLER
ILLUMINATION LIGHTS MALFUNCTION.......................................................................................
DOME LIGHT(S) DON T WORK..........................................................................................................
DOME LIGHTS MALFUNCTION (M577A3 ONLY).............................................................................
BLACK OUT DOME LIGHTS DO NOT WORK...................................................................................
RIGHT REAR UTILITY OUTLET/ADMITTANCE BUZZER WORKS
IMPROPERLY (M577A3 AND M1068A3 ONLY)...............................................................................
LEFT REAR UTILITY OUTLET/BLOWER DOES NOT WORK (M577A3
AND M1068A3 ONLY)........................................................................................................................
RADIO(S) DON’T WORK.....................................................................................................................
SMOKE GRENADE LAUNCHER(S) MALFUNCTION (M113A3,
M901A3, M981A3, AND M1059A3 ONLY).........................................................................................
MASTER SWITCH ON INDICATOR DOESN’T LIGHT.......................................................................
FUEL LEVEL INDICATOR MALFUNCTIONS.....................................................................................
HIGH BEAM INDICATOR LIGHT DOESN’T WORK...........................................................................
BATTERY/GENERATOR INDICATOR MALFUNCTIONS..................................................................
PARKING BRAKE INDICATOR MALFUNCTIONS.............................................................................
