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Page Title:
FRAME TILT CYLINDER DOES NOT EXTEND OR RETRACT - continued |
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 TM 10-3930-673-20-1
9. FRAME TILT CYLINDER DOES NOT EXTEND OR RETRACT (CONT).
KNOWN INFO
TEST OPTIONS
6
Hydraulic oil level OK.
Pressure test.
Is hydraulic oil at 2600 to 2700
Frame tilt cylinder hydraulic hoses
STE/ICE-R #51.
OK.
psi (17940 to 18630 kPa)?
REASON FOR QUESTION
Frame tilt cylinder hose
If hydraulic oil pressure is not at
connections/tube OK.
2600 to 2700 psi (17940 to
Tandem gear pump OK.
18630 kPa), frame tilt valve is
Frame tilt/brakes relief valve OK.
faulty.
POSSIBLE PROBLEMS
Frame tilt valve faulty.
Frame tilt cylinder faulty.
Replace faulty
NO
frame tilt valve
(Para 18-10).
YES
7
KNOWN INFO
TEST OPTIONS
Hydraulic oil level OK.
Visual inspection.
Is frame tilt cylinder and its
Frame tilt cylinder hydraulic hoses
STE/ICE-R #51.
housing free from signs of
OK.
REASON FOR QUESTION
Frame tilt cylinder hose
damage?
If frame tilt cylinder and its housing
connections/tube OK.
is damaged, cylinder will not
Tandem gear pump OK.
function.
Frame tilt/brakes relief valve OK.
Frame tilt valve OK.
POSSIBLE PROBLEMS
Frame tilt cylinder faulty.
Replace damaged
cylinder and
NO
housing
(Para 18-13).
YES
Notify Direct Support about
this fault.
2-848
Change 1
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