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Coupling To The Tow Vehicle �� To test the breakaway brake battery, remove the pullpin from the switch and attempt to pull the trailer forward. 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, or battery, are repaired. �� Immediately replace the pullpin. The breakaway brake system battery discharges rapidly when the pullpin is removed. �� Do Not Use Breakaway Switch as Parking Brake. ! WARNING An ineffective breakaway brake system can result in a runaway trailer, leading to death or serious injury, if the coupler or ball hitch fails. Connect the breakaway cable to the tow vehicle; and NOT to the hitch, ball or support. Before towing the trailer, test the function of the breakaway brake system. If the breakaway brake system is not working, do not tow the trailer. Have it serviced or repaired. Do not tow the trailer with the breakaway brake system ON because the brakes will overheat which can result in permanent brake failure. ! WARNING Failure to replace the pullpin can result in ineffective brakes, leading to loss of control, serious injury or death. If you do not use your trailer for three or more months, or during winter months: �� Store the battery indoors; and �� Charge the battery every three months. Replace the breakaway brake battery according to the intervals specified by battery manufacturer. 4.3.1.9 Test Surge Brakes (If equipped) Hydraulic surge actuator systems provide automatic and smooth trailer braking without special application by the tow vehicle driver. While this is extremely convenient it can sometimes be difficult to determine if the surge setup is functioning properly. The following steps provide a quick field-test to confirm that the trailer brake system is operational. 65


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