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Page Title:
LEFT HAND FORK SIDESHIFT CYLINDER DOES NOT OPERATE - continued |
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 TM 10-3930-673-20-1
1. LEFT HAND FORK SIDESHIFT CYLINDER DOES NOT OPERATE (CONT).
4
KNOWN INFO
TEST OPTIONS
Right hand fork cylinder extends
Pressure test.
Is hydraulic oil pressure at
and 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 faulty.
POSSIBLE PROBLEMS
Piston pump faulty.
Attachment control valve faulty.
Left hand fork cylinder faulty.
Test/replace faulty
NO
piston pump
(Para 18-4).
YES
5
KNOWN INFO
TEST OPTIONS
Right hand fork cylinder extends
Pressure Test.
Is hydraulic oil pressure at
and 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 faulty.
POSSIBLE PROBLEMS
pressure) (1103.2 and
24994.4 kPa)?
Attachment control valve faulty.
Left hand fork cylinder faulty.
Replace faulty
NO
attachment control
valve (Para 18-6).
YES
2-776
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