Bulldog Trailer Tongue Jack 3500LBThe Bulldog tongue jack positions quickly and easily with integrated spring drop leg. Powered drive provides a quiet smooth operation and efficient use of electrical power. No more hand cranking necessary. Easy-to-access on/off and retract/extend toggle switches make operation simple. An LED light on front of jack allows for easy nighttime setup. All surfaces are powdered coated black and resist corrosion. A fast bolt-on design allows for quick installation with the included hardware. An emergency manual override crank is included, just in case a power failure occurs. Rated Capacity: 3,500 lbs. Total Lift: up to 22". Color: White. 5 Year Warranty.Positions fast and easy with 22" of total travel.3500 lbs. lift capacity.Integrated gearbox and motor.Quiet operation of the jack makes it easier on the ears.very efficient power usage.Protective gearbox and motor housing.Weather resistant motor and gearbox housing.Bright integrated LED lights shine on coupler in order for dark connection or disconnection.Easy and quick to access extension and retraction switch.Manual hand crank included in case of power failure or no electrical connection available.Strong and Sturdy material made to handle the elements and weather.Corrosion and weather resistant powdered paint.the jack weighs 22.1 lbs.Retracted length is 9-3/4".Extended length is 31-1/2".20-1/2' of clearance.Limited 5-year warranty.The Bulldog Powered A Frame Jack - 3,500 lbs. is an excellent choice for all types of campers and adventurers. This jack will take the hassle out of camping and get you back to what you really went to do having fun and relaxing. With all the added features this makes this jack one of the best choices. This jack lasts for years with industry-leading BULLDOG performance, known worldwide for unmatched strength, durability, and side load capacity.Instructions:1. Attach trailer to tow vehicle. Use vehicle’s parking brake and chock wheels of trailer.2. The Powered A-Frame Jack has been designed to attach to the top surface of the A-frame coupler.3. Disconnect the trailer battery ground cable.4. Detach the drop leg of the jack by removing the lynch pin.5. Position the drop leg beneath the coupler mounting hole with the foot of the drop leg on the ground.6. Place the jack outer tube through the A-frame coupler hole and over the drop leg. The dual mountingpattern allows positioning of the jack either facing the tow vehicle or for side operation.7. If the Plunger Pin kit is included with this jack, install per instructions below, then continue on to #8.8. Attach the jack using the three (3) 3/8†diameter, 1†long, grade 5 bolts and nuts (provided). Use theprovided lock washers, placing them between the bolt head and the top of the jack mounting bracket.Star washers are used to insure a metal-to-metal contact between jack and coupler for proper grounding(Figure 1). Torque bolts to 15-20 ft-lbs.9. Route the black wire lead from the plastic cover along the trailer to the battery. Attach the wire leadto the trailer using cable ties or equivalent.10. 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.11. Check for proper installation by pressing the motor switch that is marked “EXT†for extending thejack and “RET†for retracting the jack. Also check that the light switch turns on the LED light locatedunder the top cover of the jack.12. After checking for proper operation, be sure to reattach the drop leg to the inner tube of the jack usingthe lynch pin or plunger pin assembly.13. Retract the jack completely.Installation Instructions:http://www.bulldogproducts.net/support/installation/N500188.pdf