Schmidt AmphiBlast 120, Operation And Maintenance Manual

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Copyright © 2019 Axxiom Manufacturing, Inc.
11.5.8. No Brakes
(1) Check for defective circuit breakers.
(2) Check for open or shorted circuit.
(3) Check for properly wired system, including ground between towing vehicle and trailer.
(4) Check for defective controller or loose wiring at controller.
(5) Check brake adjustment.
(6) Check for defective resistor or loose wiring at resistor.
(7) Check for worn or defective magnet(s).
(8) Check for a damaged or worn connector between towing vehicle/trailer.
(9) Check for a burned out resistor.
(10) Check that correct controller is installed
11.5.9. Intermittent or Surging Brakes
(1) Check for out-of-round brake drums.
(2) Check for properly wired system, including ground between towing vehicle and trailer.
(3) Check for defective magnet or wiring
(4) Check for loose/worn wheel bearings.
11.5.10. Ineffective or Weak Brakes
(1) Check that trailer is not overloaded (see Section 2.0).
(2) Check for loose or corroded connections.
(3) Check for properly wired system.
(4) Check for a shorted circuit.
(5) Check variable resistor for correct resistance to trailer.
(6) Check for worn or defective magnet.
(7) Check brake adjustment.
(8) Check for bent backing plate.
(9) Check for contaminated brake linings.
(10) Check brake system wiring.
(11) Check for worn, damaged brake linings.
(12) Check for weak or broken brake shoe return springs.
(13) Check for defective or worn brake drums.
(14) Check for loose axle.
(15) Check that correct controller is installed.
(16) Check for correct controller position.
11.5.11. Grabbing or Locking Brakes
(1) Check for improperly installed backing plate.
(2) Check for contaminated brake linings.
(3) Check for weak or broken brake shoe return springs.
(4) Check for out-of-round brake drums.
(5) Check variable resistor.
(6) Check that a variable resistor is installed (if necessary).
(7) Check that correct controller is installed.
(8) Check for defective controller.
(9) Check for rust on armature plate or brake drum.
(10) Check for loose/worn wheel bearings.
(11) Check for correct controller position.