LOAD READING PROBLEM
© PAT
Rev. B 03/08/02 // CLC
031-300 / 190007_b.DOC
9
4.5
LENGTH READING PROBLEM
Check out clutch in big gear wheel of length transducer. Extend and retract
boom to ensure that clutch is not sipping on potentiometer axle.
If unable to adjust, replace length potentiometer assembly. Remove slip ring body
from shaft and remove gear wheel from potentiometer axle. Unscrew mounting
assembly wires form terminal block. Connect new assembly to terminal block.
Reinstall mounting plate, gear wheel and slip rings. With boom fully retracted,
Refer to Installation Manual for system wiring diagrams and Section 5 Mechanical
Adjustments of Cable Reel Sensors.
Refer to Installation Manual, Section 5 Mechanical Adjustments of Cable Reel Sensors.
START
PROBLEM: Length reading incorrect. Crane is not in “out of load chart” condition.
Replace the gear wheel, clean potentiometer
axle. Reset length potentiometer.
of Cable Reel Sensors.
Check 5.0V power supply to length transducer on connection board.
Refer to Installation Manual for system wiring diagram or connection board
designations this manual.
Check system power supply voltage.
Refer to Section 3.2 No Display, this manual.
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Correct?
Correct?
Correct?
No
No
Yes
No
Yes
Yes
