TM-9-2350-256-10
RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1
OPERATOR'S MANUAL
OCTOBER 2014
TM-9-2350-256-10 - Page 441 of 796
OPERATOR TROUBLESHOOTING INDEX
This section contains information on corrective actions used to return the M88A1 to normal operation. This section
lists most malfunctions that may occur along with associated tests, inspections, and corrective actions. If a
malfunction is not listed or is not easily corrected, notify maintenance.
Always be on the alert for unusual noises. Check for evidence of failure or malfunctions. Crew members should
report all malfunctions that are seen, felt, or heard to the vehicle commander first. Troubleshooting the M88A1
requires crew members to perform scheduled and unscheduled maintenance procedures and to monitor system
functions at all times.
Discovering and correcting a problem when it first appears will usually result in less serious damage to the vehicle
and provide safer conditions for crew members. When a fault or malfunction is encountered, use the Malfunction
Index for fault identification. The malfunction index will lead the crew member to the troubleshooting procedure
work package and page number and the corrective action to be taken.
MALFUNCTION INDEX
AUTOMATIC FIRE EXTINGUISHER SYSTEM (AFES) TROUBLESHOOTING, IF EQUIPPED
1.
Automatic Fire Extinguisher System (AFES) fails to operate
properly .
..........................................................................................................................................
WP 0082-4
2.
Control Electronics Panel (CEP) fire extinguisher Light
Emitting Diode (LED(s)) blink when AFES is powered.
...................................................................
WP 0082-3
3.
CEP fire extinguisher LED(s) light when AFES is powered .
...........................................................
WP 0082-2
4.
CEP sensor fault LED(s) blink when AFES is powered .
.................................................................
WP 0082-3
5.
CEP SYSTEM ON LED blinks when AFES is powered .
.................................................................
WP 0082-2
6.
CEP SYSTEM ON LED does not light when vehicle power is on .
..................................................
WP 0082-1
7.
Fire extinguisher discharges when vehicle is idle or is in motion .
...................................................
WP 0082-4
AUXILIARY POWER UNIT (APU) TROUBLESHOOTING
8.
Auxiliary Power Unit (APU) fails to start .
.........................................................................................
WP 0083-1
9.
APU starts but fails to keep running or runs roughly.
......................................................................
WP 0083-3
10.
BATT-GEN gauge reads in yellow or lower red with APU
running and APU GEN switch on .
...................................................................................................
WP 0083-4
ENGINE TROUBLESHOOTING
11.
Engine BATT-GEN gauge reads in yellow or lower red
region with main engine running .
..................................................................................................
WP 0084-13
12.
Engine cranks at normal speed but does not start.
.........................................................................
WP 0084-4
13.
Engine cranks slowly but will not start.
............................................................................................
WP 0084-6
14.
Engine fails to crank when START button is pressed .
....................................................................
WP 0084-2
TM 9-2350-256-10
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