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Page Title:
BOOM DOES NOT TELESCOPE OUT OR TELESCOPES OUT SLOWLY. (Cont) |
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 TM 9-2320-364-34-1
12. BOOM DOES NOT TELESCOPE OUT OR TELESCOPES OUT SLOWLY (CONT).
5.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Unit Troubleshooting
Flowmeter test.
on Page 2-573
tasks completed.
Boom telescopes in.
REASON FOR QUESTION
Is an
increase in flow measured at
If overload sensing system
POSSIBLE PROBLEMS
main hydraulic filter when
(OSS) directional valve is faulty,
TELE control lever is in OUT
flow will return to tank. If low or
Four valve bank faulty.
no flow was measured from
position?
TELE valve, and no flow is
measured on crane return hose,
TELE valve is faulty.
Repair four valve
bank (Para 16-26).
NO
Verify repair, go to
Step 6 of this Fault.
YES
Repair four valve
bank (Para 16-26).
Verify repair, go to
Step 6 of this Fault.
2-572
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