Wilson Trailer GOOSENECK LIVESTOCK, Owner'S Manual

Page 1: ...g your confidence in us through the purchase of your new Wilson Gooseneck trailer We want you to know that it was designed to meet your specific needs for a livestock trailer and was built for long life and low cost operation With regular proper maintenance and your common sense use we are confident that it will do so Additional owner s manuals and decal kits for this trailer are available without...

Page 2: ... the Road Safe Handling 7 Wheel Torques 8 Tire Safety Information 9 Steps for Determining Correct Load Limit 9 Glossary of Tire Terminology 11 Tire Safety Everything Rides on it 17 Safety First Basic Tire Maintenance 18 Tire Safety Tips 25 Tire Safety Checklist 25 OPERATION Inspection Procedure Before Trip 26 Safety Chains 26 Coupler Attachment 26 Brake and Electrical Controls 27 Brake Controls 27...

Page 3: ...ctric Hyd Brake Application Wiring Diagram 40 Electrical Connector Wiring Diagram 41 Electrical Junction Box 42 Electric Brakes Wiring Diagram 43 Vacuum Hydraulic Brakes Wiring Diagram 44 Electrical Troubleshooting 45 Troubleshooting Guide Vacuum Hyd Brakes 48 Troubleshooting Guide Electric Brakes 54 CONSUMER INFORMATION Reporting Safety Defects 56 Keep Informed 56 Customer Assistance 56 Tire Regi...

Page 4: ...s bearings brakes axles or tires The GVWR gross vehicle weight rating is the structural capability of the trailer when supported by the kingpin and axles with the load uniformly distributed throughout the cargo space CAUTION The maximum load indicated on the identification plate may not be a legal load on the highway you plan to use States have differing laws and regulations affecting vehicle leng...

Page 5: ...ooseneck Trailers Due to differences in configurations and equipment your trailer may or may not use all the decals and emblems listed Newer trailers may also have decals and emblems that differ from older trailers Replace damaged or missing decals promptly ABB 01505 B ABB 01505 F G TRAILER COMPANY SIOUX CITY IOWA ABB01505 AAA 06891 LQ 1988 2013 T H E L I V E S T O C K B R A N D TH AAA 05604 C AAA...

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Page 7: ...el should be securely mounted to the tractor frame 3 The driver should be familiar with the characteristics of the particular trailer and the load being transported 4 The driver should be familiar with the nature of the roads and traffic which may be encountered during the trip 5 Stability Within the relatively narrow confines of road laws limiting vehicle size and weight together with the charact...

Page 8: ...eme example it is fairly common knowledge that a skilled race car driver can consistently drift his racer around tight turns where very high lateral g forces are encountered However truck trailer tires which are designed for carrying high loads over long distances have substantially different characteristics and their lateral stability becomes unpredictable when lateral forces approach 0 4 g This ...

Page 9: ...s loaded with cargo and is not considered part of the disposable cargo load Water however is a disposable cargo weight and is treated as such If there is a fresh water storage tank of 100 gallons this tank when filled would weigh about 800 pounds If more cargo is being transported water can be off loaded to keep the total amount of cargo added to the vehicle within the limits of the GVWR so as not...

Page 10: ...e Information Placard attached adjacent to or near the trailer s VIN Certification label at the left front of the trailer Trailers Over 10 000 Pounds GVWR NOTE These trailers are not required to have a tire information placard on the vehicle Determine the empty weight of your trailer by weighing the trailer using a public scale or other means This step does not have to be repeated Locate the GVWR ...

Page 11: ...ep 4 6 If your vehicle will be towing a trailer load from your trailer will be transferred to your vehicle Consult the tow vehicle s manual to determine how this weight transfer reduces the available cargo and luggage capacity of your vehicle Glossary of Tire Terminology Accessory weight The combined weight in excess of those standard items which may be replaced of automatic transmission power ste...

Page 12: ...ire Curb weight The weight of a motor vehicle with standard equipment including the maximum capacity of fuel oil and coolant and if so equipped air conditioning and additional weight optional engine Extra load tire A tire designed to operate at higher loads and at higher inflation pressures than the corresponding standard tire Groove The space between two adjacent tread ribs Gross Axle Weight Rati...

Page 13: ...cular side that must always face outward when mounted on a vehicle Light truck LT tire A tire designated by its manufacturer as primarily intended for use on lightweight trucks or multipurpose passenger vehicles Load rating The maximum load that a tire is rated to carry for a given inflation pressure Maximum load rating The load rating for a tire at the maximum permissible inflation pressure for t...

Page 14: ...t provide the directional control of the vehicle and does not rely on the containment of any gas or fluid for providing those functions Non pneumatic tire assembly A non pneumatic tire alone or in combination with a wheel or wheel center member which can be mounted on a vehicle Normal occupant weight This means 68 kilograms 150 lbs times the number of occupants specified in the second column of Ta...

Page 15: ... substantially 90 degrees to the centerline of the tread Recommended inflation pressure This is the inflation pressure provided by the vehicle manufacturer on the Tire Information label and on the Certification VIN tag Reinforced tire A tire designed to operate at higher loads and at higher inflation pressures than the corresponding standard tire Rim A metal support for a tire or a tire and tube a...

Page 16: ...ire carcass Treadwear indicators TWI The projections within the principal grooves designed to give a visual indication of the degrees of wear of the tread Vehicle capacity weight The rated cargo and luggage load plus 68 kilograms 150 lbs times the vehicle s designated seating capacity Vehicle maximum load on the tire The load on an individual tire that is determined by distributing to each axle it...

Page 17: ...eb site http www nhtsa dot gov cars rules TireSafety ridesonit tires_index html Studies of tire safety show that maintaining proper tire pressure observing tire and vehicle load limits not carrying more weight in your vehicle than your tires or vehicle can safely handle avoiding road hazards and inspecting tires for cuts slashes and other irregularities are the most important things you can do to ...

Page 18: ...to the trailer near the left front Understanding Tire Pressure and Load Limits Tire inflation pressure is the level of air in the tire that provides it with load carrying capacity and affects the overall performance of the vehicle The tire inflation pressure is a number that indicates the amount of air pressure measured in pounds per square inch psi a tire requires to be properly inflated You will...

Page 19: ...air pressure within them to increase Therefore to get an accurate tire pressure reading you must measure tire pressure when the tires are cold or compensate for the extra pressure in warm tires Steps for Maintaining Proper Tire Pressure Step 1 Locate the recommended tire pressure on the vehicle s tire information placard certification label or in the owner s manual Step 2 Record the tire pressure ...

Page 20: ...e tread is worn down to 1 16 of an inch Tires have built in treadwear indicators that let you know when it is time to replace your tires These indicators are raised sections spaced intermittently in the bottom of the tread grooves When they appear even with the outside of the tread it is time to replace your tires Another method for checking tread depth is to place a penny in the tread with Lincol...

Page 21: ...he number the wider the tire Next number This two digit number known as the aspect ratio gives the tire s ratio of height to width Numbers of 70 or lower indicate a short sidewall for improved steering response and better overall handling on dry pavement R The R stands for radial Radial ply construction of tires has been the industry standard for the past 20 years Next number This two digit number...

Page 22: ... Q 99 mph R 106 mph S 112 mph T 118 mph U 124 mph H 130 mph V 149 mph W 168 mph Y 186 mph For tires with a maximum speed capability over 149 mph tire manufacturers sometimes use the letters ZR For those with a maximum speed capability over 186 mph tire manufacturers always use the letters ZR U S DOT Tire Identification Number This begins with the letters DOT and indicates that the tire meets all f...

Page 23: ...the tread to wear down For example a tire graded 400 should last twice as long as a tire graded 200 Traction Letter This letter indicates a tire s ability to stop on wet pavement A higher graded tire should allow you to stop your car on wet roads in a shorter distance than a tire with a lower grade Traction is graded from highest to lowest as AA A B and C Temperature Letter This letter indicates a...

Page 24: ...they have some mud and snow capability Speed Rating The speed rating denotes the speed at which a tire is designed to be driven for extended periods of time The ratings range from 99 miles per hour mph to 186 mph These ratings are listed below You may not find this information on all tires because it is not required by law Letter Rating Speed Rating Q 99 mph R 106 mph S 112 mph T 118 mph U 124 mph...

Page 25: ...tion limits Tire Safety Tips Preventing Tire Damage Slow down if you have to go over a pothole or other object in the road Do not run over curbs or other foreign objects in the roadway and try not to strike the curb when parking Tire Safety Checklist Check tire pressure regularly at least once a month including the spare Inspect tires for uneven wear patterns on the tread cracks foreign objects or...

Page 26: ...y Chains The safety chains should cross behind the coupler and hook individually to the attachment points in the tow vehicle shown in photo to the left They MUST NOT be attached to the ball Coupler Attachment After hook up check for positive engagement of the hitch ball and coupler Be certain that coupler lock handle is completely engaged before towing the trailer Also check to insure that coupler...

Page 27: ...away switch actuating cable securely to the towing vehicle Make certain the breakaway battery is fully charged Your breakaway battery kit contains a tow charger which can keep your battery charged The charger is hooked to the clearance light circuit and will charge while running lights are being used CAUTION Check battery before towing Charged battery required for proper operation of the breakaway...

Page 28: ...necessary Check all metal surfaces thoroughly while making tire inspections and during tire changes and look for cracks or distortions in the wheel studs Do not move the trailer when any of these conditions exist If your axles are equipped with oil lubricated hubs check the oil level and fill to the required level indicated on the oil cap if necessary Rev 3 93 WARNING Check wheel nuts after initia...

Page 29: ...for inconspicuous damage to the top and bottom rails as well as the side structure Any problems observed in the side structure should be corrected immediately to prevent the damage from extending futher Unrepaired damage could affect the safe load carrying capacity of the side structure Punched side trailers are built with aluminum side skin Do Not use the holes to hang heavy objects on the side D...

Page 30: ...amage and personal injury Complete details for making adjustments on or replacement within your braking system can be found in the brake manufacturer s supplement provided with this manual See Notice Gooseneck Trailer Brakes Page 4 5 Proper synchronization of tow vehicle to trailer braking can only be accomplished by road testing Follow the instructions found in the manufacturer s supplement for c...

Page 31: ...tow vehicle hitch ball Tighten the coupler set screws to 125 foot pounds minimum of torque The coupler is now set to the correct height for your vehicle Rev 4 12 CAUTION Be certain that coupler lock handle is completely engaged before towing trailer AAA06462BP Rev 1 02 Fifth Wheel and King Pin Enagement If equipped After hook up check for positive engagement of the lower fifth wheel and king pin A...

Page 32: ...ded with grease fittings They should be lubricated on a regular basis in order to avoid unnecessary wear Operating Slam Catch Gate and ramp hinges are provided with grease fittings They should be lubricated on a regular basis in order to avoid unnecessary wear Rear Slam Catch CAUTION Engage lock rod before moving trailer Floor Your Wilson gooseneck trailer is constructed with aluminum treadplate f...

Page 33: ... months or 12 000 miles Please refer to the Dexter Axle Operation Maintenance Service Manual for additional details Optional Oil Bath Bearings The oil level should be checked prior to each trip IMPORTANT NOTICE WASHOUT REQUIRED Feed companies are manufacturing feeds for livestock that produce highly corrosive acids in the animal waste These animal acids are highly corrosive to aluminum Even with t...

Page 34: ... On trailers with electric brakes also inspect the inner surface of the brake drum that contacts the brake magnet If the surface is scored or worn unevenly it should be refaced by removing not more than 030 of material Check the brake magnet for wear and current draw every 6 months or 6 000 miles CAUTION It is important that the wheel bearing bores are not contaminated by metallic chips resulting ...

Page 35: ...e seated 2 at 3 000 mile intervals 3 or as use and performance requires The brakes should be adjusted in the following manner 1 Jack up trailer and secure on adequate jack stands Check that the wheel and drum rotate freely 2 Remove the adjusting hole cover from the adjusting slot on the bottom of the brake backing plate 3 With a screwdriver or standard adjusting tool rotate the star wheel of the a...

Page 36: ...a leak through the rim If the rim is cracked the air pressure in the tube may cause the pieces of the rim to explode with great force and can cause serious injury or death Torque Requirements It is extremely important to apply and maintain proper wheel mounting torque to your trailer axle Torque is a measure of the amount of tightening applied to a fastener nut or bolt and is expressed as length t...

Page 37: ... finally to the required torque based on the size of the wheel nut see chart 4 Wheel nuts bolts should be torqued before first road use and after each wheel removal Check and retorque after the first 50 100 miles Torque Requirements Wheel Nut Torque Guide Nut Size Torque ft lbs 1 2 20 Cone 90 120 9 16 18 Cone 90 120 Steel 9 16 18 Cone 120 140 Aluminum Note 1 5 8 18 Cone 190 210 5 8 18 flanged nut ...

Page 38: ...harging of the breakaway battery occurs check battery and recharge using a Heavy Duty Two Stage Maintenance Charger If using a commercial AC to DC make certain the 12 volt charge is limited to 1 2 amps or less 4 The breakaway battery charger is connected to the Clearance Light Circuit Therefore the breakaway battery charges only when the clearance lights are on Rev 6 02 Battery Data Chart 12 Volt ...

Page 39: ...proper rate Current should be limited to less than 1 2 amps Charge current above 1 2 amps will result in shortened service life Ideal charging is provided by Tekonsha Tow Charger P N 2024 6 Provide adequate air circulation when charging battery DO NOT charge battery in any other container besides a TEKONSHA P N 2018 battery box 7 DO NOT PLACE BATTERIES IN CLOSE PROXIMITY TO OBJECTS WHICH CAN PRODU...

Page 40: ... 40 Electrical System Electric Hydraulic Brake Application System ...

Page 41: ...rior Exteior Lights black 1WHT Ground white 5RED Left Turn yellow 6BRN Right Turn green 2BLU Electric Brakes ONLY brown YEL7 Back up Lights red optional 4BLK AUXILARY Blue A 6 way plug is attached to the front of the power cable on your trailer Each wire carries current from your vehicle s electrical source through a circuit to the various electrical devices on the trailer Individual circuits may ...

Page 42: ... CABLE WHITE BROWN YELLOW GREEN BLACK RED B L U E B L A C K BR O W N WHITE BROWN YELLOW GREEN BLACK BLUE O R A N G E BLACK AUXILIARY RED BLACK CONNECTS TO BLACK WIRE ON CONTROLLER RED CONNECTS TO YELLOW WIRE ON CONTROLLER BROWN W LOOM CONNECTS TO BLUE WIRE ON SWITCH BLACK CONNECTS TO BLACK WIRE ON BREAKAWAY BATTERY WHITE CONNECTS TO WHITE WIRE ON CONTROLLER ORANGE GROUND FOR INT EXT LIGHTS BROWN C...

Page 43: ... 43 Electrical System Electric Brakes Wiring Diagram ...

Page 44: ... 44 Electrical System Vacuum Hydraulic Brakes Wiring Diagram ...

Page 45: ...ed in 2 Inspect all lights and connections for power One light with no power could short out entire system 3 Trace wire on light with no power back to starting point Check for bare pinched or corroded wires 4 Rev 1 95 Dim Lights 1 Check 6 way plug to see if plugged in 2 Check all grounds Make sure you have clean grounds 3 Check for corrosion Corrosion may occur on wires connections lights bulbs an...

Page 46: ...heck for power at 6 way plug 2 Check for proper ground behind light Make sure you have a clean ground 3 Check for corrosion Corrosion may occur on wires connections lights bulbs and light 4 Check for unplugged wires Make sure connections are complete 5 Check for burned out light Interior Light Not Working 1 Check for power at 6 way plug 2 Check for proper ground behind light Make sure you have a c...

Page 47: ... you have a clean ground 2 Check for damaged or pinched wires Lighted Sign Not Working Optional 1 Check for power at 6 way plug 2 Check for proper ground behind light Make sure you have a clean ground 3 Check for corrosion Corrosion may occur on wires connections lights bulbs and light 4 Check for unplugged wires Make sure connections are complete and sealed 5 Check for burned out light Back Up Li...

Page 48: ... e Brake pads worn out f Combo or relay valve filter clogged with dirt g Slave booster not functioning h Combo valve not operating properly i Combo valve tied into low pressure side of frame mounted booster Corrective Action a Refill reservoir b Rebleed trailer hydraulic system c Reconnect correctly d Hydraulic piston pushed off push rod in booster repair or replace booster e Replace brake pads f ...

Page 49: ...ing Vehicle Malfunction a Supply and control reversed b Combo diaphragm leaking c Restricted or plugged hydraulic line to combo d Master cylinder out of hydraulic fluid Corrective Action a Reverse vacuum line hookup b Remove and replace valve c Replace line d Refill Trailer Brakes Drag on Acceleration Malfunction a No closed check valve on truck or leaking valve causing break away check valve to g...

Page 50: ...ne d Repair or replace e Clean and check valve or replace with new f Replace mashed or crimped section Trailer Brakes Will Not Lock Up Malfunction a Trailer overloaded b Incorrect size combo valve c Air in trailer hydraulic system d Booster at maximum stroke e Vacuum low f Slave booster out of hydraulic fluid g Combo valve connected into low pressure side of frame mounted booster Corrective Action...

Page 51: ...Malfunction a No closed check valve on truck or valve not holding causing trailer break away valve to lock closed b Caliper or wheel cylinder frozen c Trailer hydraulic lines mashed or crimped d Hand control on combo valve applied e Combo valve stuck in the applied position f Vacuum control line broken disconnected or plugged g Trailer break away valve spring too weak causing valve to close as boo...

Page 52: ...Valve Installation Malfunction a Vacuum leak in truck or trailer vacuum sytem b Engine out of tune or burned valves c Dust plugs not installed in quick couplers Corrective Action a Stop Leak b Tune engine valves c Install plugs Trailer Brakes can be Applied with Hand Control But Not with Foot Control Malfunction a Incorrect size of combo valve b Combo valve not connected to truck master cylinder c...

Page 53: ...ped Malfunction a Dash check valve leaking b Leak in existing truck vacuum system c Leak in truck trailer vacuum system d Hand controls in applied position e Quick couplers leaking Corrective Action a Replace check valve b Stop leak c Stop leak d Release hand control e Replace plugs Master Cylinder on Towing Vehicle Loses Fluid Malfunction a Hydraulic fittings or lines leaking b Leaking master cyl...

Page 54: ... Adjust brakes c Test and correct d Trace circuit for shorts and check ground Weak Brakes Malfunction a Grease or oil on magnets or linings b Loose or corroded connections c Worn linings or magnets d Worn brake drums e Improper synchronization f Under adjustment g Excessive trailer load Corrective Action a Clean or replace b Clean and correct cause of corrosion c Replace d Machine or replace e f R...

Page 55: ...and correct d Replace components e Machine or replace f Repair or replace g Replace bearings and examine hub Intermittent or Surging Brakes Malfunction a Faulty controller b Loose wire connections c Shorts in wiring d Improper ground e Broken magnet leads f Out of round drums g Loose wheel bearings Corrective Action a Test and correct b Check all connections c Trace and repair wiring d Check groun...

Page 56: ... right is reserved to make changes in materials equipment design specifications and models and to discontinue models without additional notice or obligations Keep informed about continued product changes by remaining in contact with a Wilson Trailer Company authorized gooseneck representative on a regular basis Customer Assistance When it comes to service repair and parts remember that your Wilson...

Page 57: ...12 252 9862 Carroll Distributing Trailer 205 South Iowa Ave Ph 641 684 4052 Ottumwa IA 52501 Fax 641 684 4622 Hitches Trailers More 3404 Hwy 75 N Ph 800 478 1660 Sioux City IA 51105 Fax 712 252 9862 Avalon Service Center Inc 20756 Hwy 52 N Ph 800 866 1552 Rickardsville IA 52039 Fax 563 552 1555 Double O Trailer Service 225 E 19th Street Ph 866 768 7825 Paris KY 40361 Fax 859 987 4247 Lum Hughston ...

Page 58: ...x 417 642 5853 King City Motors 110 S Connecticut Ph 660 535 4814 PO Box 506 Fax 660 535 4823 King City MO 64463 Martens Trailer Sales 25043 Dogwood Lane Ph 660 665 2660 PO Box 609 Fax 660 665 2660 Kirksville MO 63501 Evans Trailer Equipment Inc 8575 E Hwy 60 Ph 866 387 0433 Rogersville MO 65742 Fax 417 753 7260 Napoleon Oil 102 Broadway Ph 701 754 2684 PO Box 237 Napoleon ND 58561 Cow Country Sal...

Page 59: ...9909 PO Box 308 Fax 605 835 9908 Gregory SD 57533 Pioneer Garage Inc 525 Commercial Ave NE Ph 800 666 5176 PO Box 129 Fax 605 852 2795 Highmore SD 57345 A Bar K Trailer Sales 1003 E Rice Street Ph 605 335 8934 Sioux Falls SD 57103 Fax 605 335 3091 Schuchards Westside GMC Truck 1800 9th Ave SW Ph 800 526 0078 PO Box 1506 Fax 605 886 8055 Watertown SD 57201 Poulsen Trailer Sales Inc 2900 S Hwy 89 91...

Page 60: ...er or the date it is first placed into service as a demonstrator or leased trailer whichever comes first The warranty registration must be completed and returned to Wilson Trailer within 14 days after the day the trailer is delivered to the owner Failure to return the warranty registration to Wilson Trailer within the specified time will void the warranty This coverage applies only to Gooseneck tr...

Page 61: ...sponsibility to perform the required maintenance at the proper intervals and make reasonable and normal use of the trailer Limitations and Disclaimers Wilson Trailer disclaims any responsibility for any loss of time or use of the parts or trailers in which the parts are installed transportation cargo loss or other incidental or consequential damage Any implied warranties including the implied warr...

Page 62: ... s Warranty Schedule for Tires Contact Local Tire Representative for NOTE Allowable to owner from date in service to original purchaser for Material and Labor excluding component parts and accessories Bottom Rail Floor Crossbars Roof Header Roof Bows Undercarriage Assemblies 1 60 Months 100 Side Panels Metal Flooring Front Assembly Rear Assembly Metal Doors Metal Gates Metal Roof Skin Lights and W...

Page 63: ...ths 100 Parts Labor DEXTER WHEELS 1 12 Months 100 Parts Labor GROTE LIGHTS Original Owner 120 Months Parts ONLY All Grote warranty must be run through Grote direct not Wilson Trailer at 1 800 628 0809 ext 300 Customer Service REDLINE VAC OVER HYDRAULIC BRAKES 1 12 Months 100 Parts Labor REDLINE AIR OVER HYDRAULIC BRAKES 1 12 Months 100 Parts Labor DEXTER ELECTRIC HYDRAULIC BRAKES Brake Actuators 1...

Page 64: ...y body part under any portion of this product or the load being supported Do Not allow children to play on or around this product or the load being supported Weigh your trailer plus added load Do not exceed the lesser ofncoupler hitch vehicle ball or trailer weight ratings including load Use only a 2 5 16 ball rated equal to or greater than the capacity of this coupler If uncertain contact Cequent...

Page 65: ...failure Before mounting the coupler confirm that there will be no interferences from the tow vehicle tongue ground and any other mounted accessories while stationary or in motion The set screw s must be facing the towing vehicle Before installing check for interference in extended and retracted positions Check for interference again after installation is complete Weld size gusseting requirements c...

Page 66: ...aining pin installed in order for the coupler to support its rated load 2 Tighten the set screw and jam nut to minimize vibrations in the coupler during towing Set screw must be torqued to 75 100 ft lbs Jam nut s must be torqued to 80 90 ft lbs 3 Never use the set screw as a replacement for the load bearing Gusseting To support the coupler s rated load reinforcements must extend down the outer tub...

Page 67: ...0 90 ft lbs 3 Never use set screw or any other device as a replacement for the load bearing pin Operation To Couple 1 Block trailer wheels 2 Align hitch ball beneath coupler 3 Set the locking pin in the open position 4 Slide the locking plate into the open position and lower the trailer onto the hitch ball 5 Visually check that the hitch ball is fully seated in the coupler 6 Slide the locking plat...

Page 68: ...heck set screw torque Grease ball pocket Oil pivot points with SAE 30 weight motor oil Inspect retaining pin and replace if necessary How to Order Use only Cequent Trailer Products parts Replacement parts are available through Cequent Trailer Products Customer Service Department 715 693 1700 or 800 604 9466 Please specify product model number ...

Page 69: ...ain your purchase receipt to verify date of purchase This must be produced to honor warranty claim Remedy Limits Repair or replacement is the purchaser s sole remedy under this or any other warranty on the product whether express or implied We shall not be liable for service or labor charges incurred in removing or replacing product or any incidental or consequential damages of any kind We express...

Page 70: ...should never position any body part under any portion of this product or the load being supported Do Not allow children to play on or around this product or the load being supported Fully retract and or rotate jack before towing When using the drop leg make certain the drop leg pin is fully inserted before using the jack Secure the load vehicle and trailer from rolling by blocking wheels when oper...

Page 71: ...wivel positions if applicable Check for interference again after installation is complete Direct Mount to Load Bearing Member 1 All welding must be performed by an AWS certified welder 2 Three 2 long 1 4 fillet welds must be placed on both sides of the jack along the contacting surface The welds should be as far apart as possible to maximize strength under load 3 If mounting in a tandem applicatio...

Page 72: ...pivot tube against the tongue and weld all around with a 1 4 fillet weld Align one set of pivot mount holes vertically 4 Mate the jack to the pivot tube and secure the supplied pin Drop Leg Operation Spring Return Drop Leg Operation 1 Verify that the jack is not supporting any load 2 If extended place your foot on foot plate to control the return of the drop leg 3 Disengage drop leg pin by rotatin...

Page 73: ... you see clearance you must adjust the drop leg to fully seat the pin into the hole location You may need to lubricate the drop leg pin assembly as described in the maintenance section If you are unable to fully seat the pin DO NOT USE WARNING Drop leg will naturally fall Maintenance The following procedures should be performed at least annually The gears bushings and screw of the jack must be kep...

Page 74: ...n your purchase receipt to verify date of purchase This must be produced to honor warranty claim Remedy Limits Repair or replacement is the purchaser s sole remedy under this or any other warranty on the product whether express or implied We shall not be liable for service or labor charges incurred in removing or replacing product or any incidental or consequential damages of any kind We expressly...

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Page 76: ...ic Hydraulic Brake Appl System 40 Electrical Connector Wiring Diagram 41 Electrical Controls Brake and 27 Electrical Junction Box 42 Electrical System 38 Electrical Troubleshooting 45 Emblems Decals and 5 Engagement Fifth Wheel King Pin 31 Extended Warranty Schedule 62 F Facilities Authorized Repair 57 Fastenings 32 Fifth Wheel King Pin Engagement 31 First Safety 18 Floor 32 G Gate and Ramp Hinges...

Page 77: ...Slam Catch Operating 32 Square Jack 12 000 lb 70 Steps for Determining Load Limit 9 System Electrical 38 System Electric Hyd Brake Application 40 T Table of Contents 2 Tires 27 Tire Registry Information 56 Tire Safety 9 Tire Safety Checklist 25 Tire Safety Information 9 Tire Safety Tips 25 Tire Terminology Glossary of 11 Tires Wheels and 36 Torque Requirements 36 Torques Wheels 8 Trailer Modificat...

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Page 80: ... 80 Wilson Trailer Company 4400 So Lewis Boulevard Sioux City Iowa 51106 Telephone 712 252 6500 www wilsontrailer com E Mail sales wilsontrailer com GN1 020 Printed September 2020 ...