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 492 of 1205
TM 9-2320-387-24-l
STEERING SYSTEM
KNOWN INFO
WHEELS AND TIRES OK
3RAKES OK
iARD
STEERING
3ERPENTlNE
BELT,
FLUID OK
‘UMP.
PULLEY,
BRACKET
LOOK OK
POSSIBLE
PROBLEMS
LEAKS
HYDRAULIC
SYSTEM
POWER STEERING
COOLER
I
KNOWN INFO
HARD STEERING
SERPENRINE
BELT,
PUMP, PULLEY.
POWER STEERING
HYDRAULICS
HYDRO-BOOSTER
STEERING
GEAR
FAN DRIVE
POWER STEERING
COOLER
KNOWN INFO
HARD OR ABNORMAL
STEERING
POSSIBLE
PROBLEMS
POWER STEERING
PUMP
POWER STEERING
GEAR
FAN DRIVE
HYDRO-BOOSTER
POWER STEERING
COOLER
ARE THE COMPONENTS LISTED
AT THE RIGHT CLEAN, TIGHT,
AND FREE OF EVIDENCE OF
LEAKING FLUID?
L
DIAGNOSTIC
FLOWCHART
OPTfONS
VISUAL
REASONFORQUESTfON
Leaking fluid from the hydraulic
hoses could indicate a bad hose
or a bad component.
THE NEXTTHREE
QUESTIONS
DON7 HAVE A NO PATH.
REMEMBER THE ANSWERS UNTIL
THE END OF THE TEST CHAIN.
OPTlONS
1. THIS TEST CHAIN.
2. POWER STEERING
ANALYZER
(SEE NOTE AT RIGHT REGARD-
ING USE).
REASON
FOR TESTS
You can? determine
what is
wrong in the hydraulics
until you test everything.
+
YES
B6
1
I
DOES THE COOLING FAN
DISENGAGE PROPERLY?
OPTIONS
SEE NOTE AT RIGHT.
REASON
FOR QUESllON
If the power steering pump can
1
develop
enough pressure to
disengage
the fan, the pump
and
gear are
probably OK
Back to Top
