© 2005 PAT GmbH · D-76275 Ettlingen · Hertzstr. 32 - 34 · ++49 (0) 7243 709-0 · FAX ++49 (0) 7243 709-222 · Email: pat.ettlingen@pat-group.net 26
24 160 19_0106E_Rev D.doc / 2005-06-27 / rk.
Find out which component of the crane electric is spiking out (e.g. dump valve, outrigger
relay). Install a diode or resistor across terminals of spiking component. Diode type
such as 1N4003 can be used (watch + and - connection for diode).
Refer to Crane Electrical Diagrams.
END
Make correct shield connection.
Refer to connection and wiring diagrams, Drawings 1.
Ensure that cable shields are connected correctly.
Check continuity in shielded cable assemblies. Refer to connection and
wiring diagrams, Drawings 1.
Install ground line - single cable minimum of AWG14 (2.0mm)
between terminal MP1 and central unit box mounting bracket.
Refer to Drawing 2 and 4.
Check if additional ground link between main
board MP1 and central unit box mounting bracket is in place.
Refer to Drawing 4.
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