Page 8 of 15 Keep hands, feet, and body clear of the jack and trailer to avoid the risk of injury or death! Compare the lift capacity of the jack with your trailer to ensure safe operation of the jack.Before Each Use⚠WARNING Before each use, inspect jack tubes and replace if bent or damaged. Compare the lift capacity of the jack with your trailer to ensure safe operation of the jack. Retract the jack completely. Park the trailer on a level surface, block the tires of the trailer, and support trailer tongue. The jack has been designed to attach to the top surface of the A-frame coupler. Detach the drop leg of the jack by removing the lock pin and sliding it out. Position the drop leg in line with the mounting hole with the foot of the drop leg on the ground. Place the jack’s outer tube through the A-frame coupler hole and over the drop leg. The dualmounting pattern allows positioning of the jack either facing the two vehicles or for curb-sideoperation. Secure the jack using three (3) 3/8” diameter, 1” long, grade 5 bolts and lock washers. Boltsshould be tightened to 15-20 ft. lb. Route the black wire lead from the plastic cover along the trailer to the battery. Attach the wirelead to the trailer using cable ties or equivalent. Connect the wire lead from the jack directly to the positive (+) terminal of the battery. This unit hasa built-in circuit breaker which automatically trips and resets. Reconnect the battery ground cable. Connect the 7-pin connector to the towing vehicle (no hard wiring required). Check for proper installation, by pressing the motor switch UP for extending the jack and DOWNfor retracting the jack. Also check that the light switch turns on the LED light situated under the topcover of the jack. After checking for proper operation, be sure to reattach the drop leg to the inner tube of the jackusing the lock pin.Operating Instructions⚠WARNING Do not exceed the rated load capacity. The trailer jack is designed for vertical loading. Excessive side forces may cause jack failure. Do not use crank while power lift is in use. For use on flat, level, hard surface capable of supporting load.