Sears 9 50524 User's Manual
Contents
1. OIL To drain oil remove cover plate and oil filler plug and open release valve Turn jack over and drain old oil out through the oil filler hole and into a suitable container Note Dispose of hydraulic oil in accordance with local regulations e Refill with new oil through the oil filler hole DO NOT allow dirt or foreign material to enter the hydraulic system when filling After refilling remove any air from the hydraulic system by opening the release valve and rapidly pumping the jack handle several times e Re install oil filler plug and cover plate and the jack is ready to use Oil Filler Plug Release Valve Plunger Down Proper Oil Level Ram all the way in FIG 3 TROUBLESHOOTING PROBLEM SOLVING HINTS Symptom Possible Causes Corrective Action Jack does not lift load e Release valve not tightly closed Overloaded too much weight on jack e Ensure release valve is tightly closed Reduce weight on jack Jack bleeds off starts to lower after lift Release valve not tightly closed e Hydraulic unit malfunction e Ensure release valve is tightly closed Replace power unit assembly Jack does not lower after unloading Oil reservoir overfilled Linkages binding e Drain fluid to proper level Clean and lubricate moving parts Poor lift performance e Fluid level low Air trapped in system e Ensure proper fluid level e With ram fully retracted op2. Lifting Range 5 1 2 15 Approx e Insert jack handle into handle sleeve 140mm 381mm Rapidly pump jack handle through several Oil Capacity 90 cc 5 cc full strokes Net Weight 27 1 Ibs Approx e Reinstall the oil filler plug into the cylinder again and jack is now ready to use OPERATION OPERATING PRINCIPLES With release valve closed an upward stroke of the jack handle draws oil from the reservoir tank into the plunger cavity Hydraulic pressure holds a valve closed which keeps the oil in the plunger cavity A downward stroke of the jack handle releases oil into the cylinder which forces the ram out This raises the saddle NOTE To avoid damage to the cylinder if the load exceeds the rated capacity of the jack oil is automatically released back into the reservoir through the safety overload valve When the ram reaches maximum extension oil is bypassed back into the reservoir to prevent an over extended ram stroke and possible damage to the jack Opening the release valve allows oil to flow back into the reservoir This releases hydraulic pressure on the ram which results in lowering the saddle HOW TO USE YOUR JACK RAISING THE JACK With notched end of the jack handlle see Fig 2 close release valve by turning the handle clockwise Chock the vehicle s wheel with appropriate devices to ensure lifting stability Refer to the vehicle manufacturer s owners manual to locate approved lifting poin
3. Operators Manual CRAFTSMAN FLOOR JACK Model 250524 2 1 4 Ton Capacity e Safety e Operation e Maintenance e Parts A BEFORE using this product read this manual and follow all its Safety and Operating instructions Failure to do so may result in personal injury and or property damage Sears Roebuck and Co Hoffman Estates IL 60179 Visit our Craftsman website www sears com craftsman Printed in China TABLE OF CONTENTS Warranty aa P 2 Save these instructions gt P 2 Safety instructions 4 P 3 Assembly instructions e_ P 4 Operation aaa P 4 amp P 5 Maintenance P 6 Troubleshooting a P 7 Parts aaa P 7 Service an Back cover WARRANTY CRAFTSMAN ONE YEAR FULL WARRANTY If this Craftsman product fails due to a defect in material or workmanship within one year from the date of purchase return it to any Sears store or other Craftsman outlet in the United States for free replacement This warranty applies for only 90 days from the date of purchase if this product is ever used for commercial or rental purposes This warranty gives you specific legal rights and you may also have other rights which vary from state to state Sears Roebuck and Co Hoffman Estates IL 60179 SAVE THESE INSTRUCTIONS For your safety read understand and follow the information provided with and on this jack e The owner and operator of this equipment shall have an understand
4. cs call or go on line for the location of your nearest Sears Parts and Repair Center 1 800 488 1222 Call anytime day or night U S A only www sears com To purchase a protection agreement U S A or maintenance agreement Canada on a product serviced by Sears 1 800 827 6665 U S A 1 800 361 6665 Canada Para pedir servicio de reparaci n Au Canada pour service en fran ais a domicilio y para ordenar piezas 1 800 LE FOYER C 889 cl _ 1 888 SU HOGAR 1 800 533 6937 1 888 784 6427 www sears ca Sears Cailrs Sears Brands LLC Registered Trademark Trademark Service Mark of Sears Brands LLC Marca Registrada Marca de Fabrica Marca de Servicio de Sears Brands LLC Mc Marque de commerce P Marque d pos e de Sears Brands LLC
5. d the operator s manual completely BEFORE operation to become familiar with and familiarize yourself thoroughly with the the location of various jack components product its components and recognize the po hazards associated with its use oil filler plug e Occasionally during shipment and or not shown onTeservoin handling air can get trapped in the system cover plate ee which can interfere with the jacks lifting remove to performance fai lifting arm Itis recommended to cycle the jack a few times without applying load Engage release valve with notched end of jack handle Close release valve by 4 turning the jack handle clockwise until release tight J e Insert jack handle into handle sleeve Pump the handle until the jack saddle reaches its maximum height Engage release valve with notched end of jack handle Open release valve by turning jack handle counterclockwise but no more than 1 2 full turn Allow the saddle to reach its lowest position e Repeat the above procedure a few times To release air from the hydraulic system Engage release valve with notched end FIG 2 of jack handle Open the release valve by turning the jack handle SPECIFICATIONS counterclockwise but never by more than Rated Capacity 2 1 4 Ton 4500 Lbs 1 2 full turn handle sleeve engage release jack handle valve with this end Jack Dimensions 21 x 8 1 2 x 5 1 2 cre P oil filler plug from the cylinder
6. ds b Remove the affected jack and then the stands c Using the other jack lower the load by turning the operating handle counter clockwise but no more than 1 2 full turn After removing jack from under the load push saddle down to reduce ram exposure to rust and contamination MAINTENANCE MAINTAINING OIL LEVEL Important When adding or replacing oil ALWAYS use a good grade Hydraulic Jack oil We recommend Mobil DTE13M or equivalent DO NOT use Hydraulic Brake Fluid Alcohol Glycerine Detergent Motor Oil or dirty oil Use of an improper fluid can cause serious internal damage to your jack ADDING OIL e Position the jack on level ground and fully lower the saddle Ram will be all the way in Remove oil filler plug located under cover plate see Fig 3 Oil should be filled to the level of about 3 16 above the inner cylinder as seen from the oil filler hole If low add oil as needed Re install oil filler plug and cover plate The jack is now ready to use LUBRICATION e Add lubricating oil to all moving parts as needed PREVENTING RUST e Check ram and pump plunger see Fig 3 every few months for any signs of rust or corrosion Clean as needed by wiping with an oily cloth e When not in use ALWAYS store jack with saddle lowered all the way down ANNUAL INSPECTION To ensure that it is in optimum condition annual inspection of the jack at a Sears Service Center is recommended REPLACING
7. en release valve pump handle several times to expel trapped air Does not lift to full extension e Fluid level low e Ensure proper fluid level PARTS MODEL NUMBER 50524 The Model Number and Serial Number are found on the lifting arm and handle sleeve respectively Always mention the Model Number and Serial Number when requesting service or repair parts for your jack INDIVIDUAL PARTS ARE NOT AVAILABLE FOR REPLACEMENT ASSEMBLIES Key Description Saddle Power Unit Assembly Handle Assembly Front Wheel Assembly Rear Castor Assembly Cover Plate Oil Filler Plug Operators Manual NIOJ AJO JIN gt Warning Label FIG 4 For after sale support and assistance Call 1 888 332 6419 8 00 AM 4 45 PM CST Monday Friday 7 Get it fixed at your home or ours Your Home For repair in your home of all major brand appliances lawn and garden equipment or heating and cooling systems no matter who made it no matter who sold it For the replacement parts accessories and owner s manuals that you need to do it yourself For Sears professional installation of home appliances and items like garage door openers and water heaters 1 800 4 MY HOME Call anytime day or night 1 800 469 4663 U S A and Canada www sears com www sears ca Our Home For repair of carry in items like vacuums lawn equipment and electroni
8. er work on under or around a load supported only by this device Do not move or dolly the vehicle while on the jack No alterations shall be made to this product Only attachments and or adapters supplied by the manufacturer shall be used Contact 1 888 332 6419 for more information Failure to heed product markings or warnings may result in personal injury or property damage e Leer comprender y seguir las instruccidnes antes de utilizar el aparato e El manual de instrucci nes y la informaci n de seguridad deben estar comunicado en lengua del operador antes del uso No seguir estas indicaci dnes puede causar da os personales o materiales To avoid crushing and related injuries NEVER work on under or around a load supported only by a jack ALWAYS use appropriately rated jack stands SAFETY MESSAGE Be sure all tools and personnel are clear before lowering load No alterations shall be made to this device Only attachments and or adapters supplied by the manufacturer shall be used Lift only on areas of the vehicle as specified by the vehicle manufacturer NOTE Jack stands are rated per pair unless otherwise noted Use 1 matched pair per vehicle only ASSEMBLY INSTRUCTIONS TO ASSEMBLE THE CARRY HANDLE ONTO THE JACK Snap the carry handle onto the nuts of jack s middle axle see Fig 1 FIG 1 OPERATION KNOW YOUR JACK BEFORE USE Compare Fig 2 illustration with your jack e Rea
9. ing of this jack and safe operating procedures before attempting to use The owner and operator shall be aware that use and repair of this product may require special skills and knowledge Instructions and safety information shall be conveyed in the operators native language before use of this product is authorized If any doubt exists as to the safe and proper use of this jack remove from service immediately Inspect before each use Do not use if broken bent cracked or damaged parts including labels are noted Any jack that appears damaged in any way operates abnormally or is missing parts shall be removed from service immediately If the jack has been or suspected to have been subjected to a shock load a load dropped suddenly unexpectedly upon it immediately discontinue use until jack has been checked by a Sears or other qualified service center It is recommended that an annual inspection be done by qualified personnel e Labels and Operators Manual are available from Sears see PARTS section on page 7 SAFETY INSTRUCTIONS e Study understand and follow all instructions with and on this device before operating this device Do not exceed rated capacity Use only on hard level surfaces capable of sustaining rated capacity loads Lift only on areas of the vehicle as specified by the vehicle manufacturer This is a lifting device only Immediately after lifting support the vehicle with appropriately rated vehicle stands Nev
10. ts on the vehicle Position jack so that the saddle is centered under the load at an appropriate lift point Insert jack handle into handle sleeve Pump jack handle until saddle almost contacts the vehicle Check to see that the saddle is centered and will contact the load lifting point firmly Continue to pump the jack handle to lift the vehicle to the desired height After lifting support the load with appropriately rated jack stands BEFORE working on the vehicle Rated capacity of jack stands is per pair it is NOT the sum of individual capacities unless specifically noted to the contrary by the jack stand manufacturer Do Not exceed rated capacity Ensure that the vehicle support points are fully captured between the outer lugs of both jack stands Use a matched pair of jack stands per vehicle to support 1 end only Use 1 pair per vehicle only Failure to do so may result in sudden loss of load which may cause personal injury and or property damage LOWERING THE JACK To avoid crushing injuries and property damage Keep hands and feet clear of work area when lowering load e Raise load high enough to clear the jack stands then carefully remove jack stands always used in pairs e With notched end of jack handle SLOWLY open the release valve by turning the handle counterclockwise but never more than 1 2 full turn If the load fails to lower a Use another jack to raise the vehicle high enough to reinstall jack stan
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