TM-9-2320-387-24-1
TRUCK, UTILITY: S250 SHELTER CARRIER, 4X4, M1113
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE, VOLUME 1
DECEMBER 1997
CHANGE 1
TM-9-2320-387-24-1 - Page 235 of 1205
TM 9-2320-387-24-l
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ENGINE
COOLING
FAN ENGAGES
BUT
WON-T DISENGAGE
1
POSSIBLE
PROBLEMS
1
PCB
TIME-DELAY
MODULE
WIRING
HYDRAULIC
SYSTEM
I
I
KNOWN INFO
DRIVE OK
FAN ENGAGES
BUT
WONT DISENGAGE
POSSIBLE
PROBLEMS
PCB
TIME-DELAY
MODULE
WIRING
HYDRAULIC
SYSTEM
KNOWN INFO
DRIVE OK
FAN ENGAGES
BUT
WONT DISENGAGE
POSSIBLE
PROBLEMS
PCB
TIME-DELAY
MODULE
WIRING
HYDRAULIC
SYSTEM
REMOVE THE JUMPER BETWEEN
WIRE 458A AND WIRE 4588. TURN
THE ROTARY SWITCH TO THE
RUN POSITION.
DOES WIRE 458A
HAVE BAITERY
VOLTAGE?
DIAGNOSTIC
FLOWCHART
REASON FOR QUESTION
IS THERE CONTINUITY
FROM
WIRE 4588 AT THE HARNESS SIDE
OF THE TIME-DELAY
MODULE
4-WAY CONNECTOR TO WIRE 458B
AT THE FAN TEMPERATURE
SWITCH?
Wire 458A connects
battery voltage
to the switch.
1. STE/ICE-R TEST 91 (Page 2-50
2. MULTIMETER
REASON FOR QUESTION
Li
c3
TURN THE ROTARY SWITCH TO
RUN. IS THERE BAlTERY
VOLTAGE AT THE HARNESS
SIDE OF WIRE 583B IN THE
4-WAY CONNECTOR OF THE
TIME-DELAY MODULE?
Wire 4588 connects the switch
and the time delay.
1. STUICE-R
TEST 89 (Page 2-506)
2. MULTIMETER
REASON
FOR QUESTION
Wire 5838 connects battery voltage to
the delay module.
REPAIR/REPLACE
2-178
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