Deutz-Fahr Agrovector 40.9 - Manual (Page 143)

Section 8 - Additional Checks
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B. Boom Interlock System Test
(if equipped with boom retracted switch)
Boom interlock system (if equipped with boom retracted switch) operates in three
modes. With boom at any extension and angle below 20 degrees, frame level
functions are operable. With boom fully retracted and raised between 20 and 55
degrees, frame level is operable. With boom at any extension and raised above 55
degrees, frame level is not operable. To check the system, perform the following:
1. Test system with machine on a level surface and no load.
2. Shift transmission to neutral and engage park brake.
3. Ensure frame level functions are properly functioning. Rotate frame in each
direction.
4. Level machine using level in cab.
5. Raise boom to between 20 and 55 degrees and extend approximately
1 m (39 in).
6. Attempt to rotate frame. Function should respond.
7. Fully retract boom and raise above 55 degrees.
8. Attempt to rotate frame. Function should respond.
9. Lower boom fully.
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