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 484 of 1205
TM 9-2320-387-24-l
STEERING SYSTEM
KNOWN INFO
NOTHING
POSSIBLE
PR-OBLEMS
POWER STEERING
PUMP
POWER STEERING
COMPONENTS
STEERING
LINKAGES
SUSPENSION
BRAKES
KNOWN INFO
BRAKING
SYSTEM OK
POSSIBLE PROBLEMS
POWER
STEERING
PUMP
POWER
STEERING
COMPONENTS
STEERING
LINKAGES
SUSPENSION
BRAKES
GRABBING
KNOWN INFO
BRAKES
OK
STRAIGHT
UNE BEHAVIOR
OK
POSSIBLE PROBLEMS
POWER STEERING
PUMP
POWER STEERING
COMPONENTS
STEERING
LINKAGES
SUSPENSION
Tfi@,
TEST OPTIONS
DOES THE VEHICLE STEER
STRAIGHT WHILE BRAKING
(WHILE GOING FORWARDS
AND BACKWARDS)?
DIAGNOSTIC
FLOWCHART
1
I
DRIVE VEHICLE
AND MAKE
SEVERAL STOPS
AT MODERATE
SPEEDS
FROM FORWARD
AND
REVERSE
DIRECTIONS.
REASON FOR QUESllON
If vehicle pulls to one side
or other while braking, the
problem is likely to be in
the brake system.
DOES THE VEHICLE STEER
STRAIGHT WHILE DRIVING
ON A LEVEL ROAD AT A
MODERATE SPEED?
r OPTIONS
TRY
IT. THE VEHICLE
SHOULD
NOT WANDER,
BUT TRACK
STRAIGHT WITH A MINIMUM
OF STEERING
EFFORT.
REASON FOR QUESllON
The
vehicle should travel
in a straight line with
a
minimum of steering
correction.
1
TEST OPTlONS
DRIVE VEHICLE
AND MAKE
TURNS.
DOES THE VEHICLE STEER
NORMALLY DURING TURNS
(WITHOUT UNDUE EFFORT)?
REASON FOR QUESTION
Hard
or noisy steering is usually
due to power steering system
failures.
L
L
2-434
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