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Page Title:
LEFT AND RIGHT FRONT STEERING CYLINDERS DO NOT EXTEND OR RETRACT - continued |
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 TM 10-3930-673-20-1
8. LEFT AND RIGHT FRONT STEERING CYLINDERS DO NOT EXTEND OR RETRACT (CONT).
KNOWN INFO
TEST OPTIONS
6
Left and right rear steering
Pressure test.
Is hydraulic oil pressure at
cylinders extend or retract.
STE/ICE-R #51.
Hydraulic oil level OK.
steering control valve at 2600
REASON FOR QUESTION
Steering cylinders hydraulic hoses
to 2700 psi (17940 to
If hydraulic oil pressure is not at
OK.
18630 kPa)?
2600 to 2700 psi (17940 to
Steering cylinders hose
18630 kPa), steering control
connections OK.
valve is faulty.
Tandem gear pump OK.
Priority valve OK.
POSSIBLE PROBLEMS
Steering control valve faulty.
Steering select valve faulty.
Left and/or right front steering
cylinders faulty.
Replace faulty
NO
steering control
valve (Para 14-9).
YES
7
KNOWN INFO
TEST OPTIONS
Left and right rear steering
Continuity test.
Is continuity indicated at
cylinders extend or retract.
STE/ICE-R #51.
solenoids on steering select
Hydraulic oil level OK.
REASON FOR QUESTION
Steering cylinders hydraulic hoses
valve?
If continuity is not indicated at
OK.
solenoids, steering select valve is
Steering cylinders hose
faulty.
connections OK.
Tandem gear pump OK.
Priority valve OK.
Steering control valve OK.
POSSIBLE PROBLEMS
Steering select valve faulty.
Left and/or right front steering
cylinders faulty.
Replace faulty
NO
steering select
valve (Para 14-10).
YES
2-838
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