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 TM 9-2320-364-34-1
21. CRANE FAILS LOAD TEST (CONT).
2.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Unit Troubleshooting
Operation test.
on Page 2-679
tasks completed.
OSS box is grounded.
REASON FOR QUESTION
Does test unit indicate LAYER
POSSIBLE PROBLEMS
If hoist proximity sensor is
= ON with three layers of
faulty, OSS will not function
cable on hoist drum and
Hoist proximity sensor faulty.
correctly.
LAYER = OFF with two or less
OSS box out of calibration.
layers of cable on hoist
OSS box faulty.
drum?
Harness faulty.
Go to Step 8 of this
NO
Fault.
YES
2-678
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