Multiquip DCA-100SSJU -TRAILER-BRAKE Troubleshooting, Electric Brake Troubleshooting

Table of Contents

DCA-100SSJU —TRAILER-BRAKE TROUBLESHOOTING

Table 5. Electric Brake Troubleshooting

SYMPTOM	POSSIBLE CAUSE	SOLUTION
NO BRAKES OR INTERMITTENT BRAKES	ANY OPEN CIRCUITS OR BROKEN WIRES?	FIND AND CORRECT.
	ANY SHORT CIRCUITS?	FIND AND CORRECT.
	FAULTY CONTROLLER?	TEST AND CORRECT.
	ANY LOOSE CONNECTIONS?	FIND AND REPAIR.
	IS THE GROUND WIRE SECURE?	FIND AND SECURE.
WEAK BRAKES OR BRAKES PULL TO ONE SIDE	IS THERE GREASE OR OIL ON MAGNETS OR LININGS?	CLEAN OR REPLACE.
	IS THE CONNECTIONS CORRODED?	CLEAN AND CORRECT CAUSE OF
		CORROSION.
	IS THE BRAKE DRUMS SCORED OR GROOVED?	MACHINE OR REPLACE.
	IS THE BRAKES SYNCHRONIZED?	CORRECT. (SEE PG 8 FOR
		SYNCHRONIZING)
LOCKING BRAKES	IS THE BRAKE COMPONENTS LOOSE, BENT OR BROKEN?	REPLACE COMPONENTS.
	IS THE BRAKE DRUMS OUT-OF-ROUND?	REPLACE.
NOISY BRAKES	IS THE SYSTEM LUBRICATED?	LUBRICATE.
	IS THE BRAKE COMPONENTS CORRECT?	REPLACE AND CORRECT.
DRAGGING BRAKES	IS THE BEARINGS OF THE WHEEL ADJUSTED?	ADJUST.

DCA-100SSJU — PARTS AND OPERATION MANUAL (STD)— REV. #2 (05/03/01) — PAGE 19