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 TM 9-2320-364-34-1
4. FAN DOES NOT OPERATE (CONT).
2.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Unit Troubleshooting
Visual inspection.
on Page 2-209
tasks completed.
Winch and crane operation OK.
REASON FOR QUESTION
Shuttle valve B OK.
Is the orifice in the bottom of
If orifice is blocked, main
the multifunction manifold
hydraulic pump control will not
POSSIBLE PROBLEMS
read load sensing pressure
free of blockage from dirt and
correctly and not supply required
Orifice faulty.
pressure for fan.
Fan motor faulty.
Clean or replace
orifice (Para 17-18).
NO
Verify repair, go to
Step 4 of this Fault.
YES
2-208
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