Operators Manual FLOOR JACK Model 50136 - 3 Ton Capacity • Safety • Assembly • Operation • Maintenance • Parts 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.
Service 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.
WARNING • Study, understand, and follow all instructions provided with and on this device before use. • Do not exceed rated capacity. • Use only on hard, level surfaces. • Lifting device only. • Immediately after lifting, support the vehicle with appropriately rated jack stands.
KNOW YOUR JACK Compare Fig. 3 illustration with your jack BEFORE operation to become familiar with the location of various jack components. Jack Handle Oil Filler Plug (Not Shown, on Reservoir) Lifting Arm Handle Socket Release Valve SPECIFICATIONS Rated Capacity: 3 Ton / 6000 Lbs Jack Dimensions: 25”...
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.
MAINTAINING OIL LEVEL Important: Use only a good grade hydraulic jack oil. Avoid mixing different types of fluid and Never use brake fluid, turbine oil, transmission fluid, motor oil or glycerin. Improper fluid can cause failure of the jack and the potential for sudden and immediate loss of load.
Does not lift to full • Fluid level low extension MODEL NUMBER: 50136 The Model Number and Serial Number are found on the lifting arm and handle socket respectively. Always mention the Model Number and Serial Number when requesting service or repair parts for your jack.
Get it ﬁxed, at your home or ours! 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.