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lil Hoss 4920 boom fold again
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Tiler
Posted 8/1/2015 14:48 (#4711139)
Subject: lil Hoss 4920 boom fold again


SCIA
Found a broken wire on the code, worked fine. Today went to fold open and the same side end wing will not go out. Tested, messed around and no magnetism at coil. No juice to the coil. Traced wires to that "firewall" type connector at right rear. Had continuity back through coil, both wires and around the circle.
Traced to center relay under CCU. Have 12V to two of the wires, forget the numbers. One of the other ones (20 K setting on ohm meter) 0, other one 10.0, same when activated.
Tested another one of the same relays there, one wire 0.0, other wire 10.0, 0.2 when activated. Traced 793 wire to CCU, cleaned CCU connection, still the same.
Any thoughts? Same machine that I had codes from the hydro handle.
Also took apart the two military type couplers on the right side of machine and cleaned.

Thanks,
Tiler

Edit to add: Can get it to fold out in the maintenance mode.

Edited by Tiler 8/1/2015 15:26
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