Western LOW-PRO 300W, Руководство механика

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Lit. No. 72131, Rev. 00 July 15, 2018
54
STEEL HOPPER SPREADERS – TROUBLESHOOTING GUIDE
ELECTRIC CLUTCH
Condition Possible Cause Action
Clutch will not engage.
1. No ground to clutch. 1. Check for ground at clutch ground wire.
2. No power to clutch. 2a. With the clutch switch in the "ON" position, check gray wire at
clutch for battery voltage.
2b. Check the 11-pin vehicle harness for battery voltage on pin 9.
2c. Check clutch switch in cab control for battery voltage input and
output with the switch in the "ON" position.
2d. Check clutch for continuity between two wires (approx. 3 – 4 ohm).
Clutch slips.
1. Low voltage. 1. Check all harnesses for voltage drop.
2. Oil, grease, dirt, or rust in between or on the face of
fi eld and rotor.
2. Disassemble and clean both surfaces.
3. Broken springs in rotor causing air gap. 3. Replace clutch.
Clutch will not disengage.
1. Seized rotor bearing. 1. Replace clutch.
2. Galling between stator and rotor. 2. Replace clutch.
3. Broken springs in rotor. 3. Replace clutch.
4. Rust and/or corrosion build-up under leaf springs
pushing stator and rotor together.
4. Replace clutch.
5. Constant power to clutch. 5. Replace clutch switch.