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 TM 9-2320-364-34-1
22. OSS DISABLES FUNCTIONS (CONT).
2.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Operation test.
Unit Troubleshooting
on Page 2-711
tasks completed.
Hoist lowers.
REASON FOR QUESTION
Boom telescopes in.
Do functions operate with top
Crane swings.
If OSS box or tension load cell
overload shutdown (OSS) box
Accumulator OK.
is faulty, functions will operate
connector disconnected and
with OSS box disconnected. If
POSSIBLE PROBLEMS
junction box terminals 1 and
wiring from OSS box to OSS
function lockout valves is
19 jumpered together?
OSS box out of calibration.
shorted, functions will continue
OSS box faulty.
not to work with OSS box
Tension load cell faulty.
disconnected.
Harness faulty.
Wire faulty.
Go to Step 5 of this
NO
Fault.
YES
2-710
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