Electric BrakeTesting

Perform the following when testing the electric braking sys- tem:

„Connect the pull pin cable to the tow vehicle so that the pull pin will be pulled out before all of the slack in the safety chains is taken up (see Figure 30). DO NOT connect the pullpin cable to a safety chain or to the hitch ball or hitch ball assembly. This would keep the breakaway brake system from operating when it is needed.

„When electric brakes are used, the tow vehicle will have an electric brake controller that sends power to the trailer brakes. Before towing the trailer on the road, you must operate the brake controller while trying to pull the trailer in order to confirm that the electric brakes operate. Re- move the pullpin from the switch. While towing the trailer at less than 5 m.p.h., manually operate the electric brake controller in the tow vehicle cab.

You should feel the trailer resisting being towed, but the wheels will not necessarily be locked. If the brakes do not function, DO NOT tow the trailer until brakes are repaired.

„Immediately replace the pullpin. The breakaway brake system battery discharges rapidly when the pullpin is removed.

WARNING - Pullpin Replacement

Failure to replace the pullpin will prevent brakes from working, leading to loss of control, serious injury or death.

DO NOT tow the trailer with the

NOTE breakaway brake system ON be- cause the brakes will overheat which can result in permanent brake failure.

Replace the breakaway brake bat-

NOTE tery (if equipped) according to the battery at intervals specified by manufacturer.

TRAILER SAFETY GUIDELINES

Connecting Trailer Lights

Connect the trailer lights to the tow vehicle’s electrical system using the electric connectors at the front of the trailer (tongue). Reference the wiring diagram shown in the trailer wiring diagram section of this manual. Before towing the trailer check for the following:

„Running lights (turn on tow vehicle headlights).

„Brake Lights (step on tow vehicle brake pedal).

„Backup Lights (place tow vehicle gear shift in reverse).

„Turn Signals (activate tow vehicle directional signal le- ver).

WARNING - Improper Electrical Connections

Improper electrical connection between the tow vehicle and the trailer will result in inoperable lights and electric brakes, and can lead to collision.

Before each tow:

yCheck that the taillights, brake lights and turn signals work

yCheck that the electric brakes work by operating the brake controller inside the tow vehicle.

Uncoupling the Ball Hitch

Follow these steps to uncouple ball hitch from tow vehicle:

„Block trailer tires to prevent the trailer from rolling,before jacking the trailer up.

„Disconnect the electrical connector.

„Disconnect the breakaway brake switch cable. Promptly replace the pullpin in the switchbox.

„Before extending jackstand, make certain the ground surface below the jackstand foot will support the tongue load.

„Rotate the jackstand handle (or crank) clockwise. This will slowly extend the jack and transfer the weightof the trailer tongue to the jack.

DRY PRIME PUMP — OPERATION AND PARTS MANUAL — REV. #3 (10/06/08) — PAGE 43

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Multiquip P200DLST, MP200DLTE, MP150SDLTS Electric BrakeTesting, Connecting Trailer Lights, Uncoupling the Ball Hitch

MP200SDLTE, P200DLST, MP150SDLSM, MP200DLTS, MP200DLSM specifications

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