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Page Title:
RIGHT HAND FORK SIDESHIFT CYLINDER DOES NOT OPERATE - continued |
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 TM 10-3930-673-20-1
2. RIGHT HAND FORK SIDESHIFT CYLINDER DOES NOT OPERATE (CONT).
4
KNOWN INFO
TEST OPTIONS
Left hand fork cylinder extends and
Pressure test.
Is hydraulic oil pressure at
retracts.
STE/ICE-R #51.
piston pump 160 psi
Hydraulic oil OK.
REASON FOR QUESTION
Hydraulic hoses OK.
(1103.2 kPa)?
If hydraulic oil pressure is not
Hose connections OK.
160 psi, piston pump is faulty.
POSSIBLE PROBLEMS
Piston pump faulty.
Attachment control valve faulty.
Right hand fork cylinder faulty.
Test/replace faulty
NO
piston pump
(Para 18-4).
YES
5
KNOWN INFO
TEST OPTIONS
Left hand fork cylinder extends and
Pressure test.
Is hydraulic oil pressure at
retracts.
STE/ICE-R #51.
attachment control valve
Hydraulic oil OK.
REASON FOR QUESTION
Hydraulic hoses OK.
between 160 psi (minimum
If hydraulic oil pressure is not
Hose connections OK.
stand-by pressure) and
between 160 and 3625 psi,
Piston pump OK.
3625 psi (maximum operating
attachment control valve is faulty.
POSSIBLE PROBLEMS
pressure) (1103.2 and
24994.4 kPa)?
Attachment control valve faulty.
Right hand fork cylinder faulty.
Replace faulty
NO
attachment control
valve (Para 18-6).
YES
2-784
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