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Table of Contents
Operators Manual
FLOOR JACK
Model
50156 - 4 Ton Capacity
9
• Safety
• Assembly
• Operation
• Maintenance
• Parts
CAUTION: Before using this product, read
this manual and follow all its Safety Rules
and Operating instructions.
Sears, Roebuck and Co., Hoffman Estates, IL 60179
Visit our Craftsman website: www.sears.com/craftsman
U.S. Patent:
Printed in China
5,755,099,5,946,912,6,199,379B1
rev 04/07
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Summary of Contents for Craftsman FLOOR JACK 50156
- Page 1 • Parts CAUTION: Before using this product, read this manual and follow all its Safety Rules and Operating instructions. Sears, Roebuck and Co., Hoffman Estates, IL 60179 Visit our Craftsman website: www.sears.com/craftsman U.S. Patent: Printed in China 5,755,099,5,946,912,6,199,379B1 rev 04/07...
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Page 2: Table Of Contents
If this Craftsman Professional 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 Professional outlet in the United States for free replacement. -
Page 3: Safety Instructions
WARNING • 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 surface. • This is a lifting device only. Immediately after lifting, support the vehicle with appropriately rated vehicle stands. -
Page 4: Operation
KNOW YOUR JACK Compare Fig. 4 illustration with your jack BEFORE operation to become familiar with the location of various jack components. Jack Handle Magnetic Tool Tray (remove to access Oil Filler Plug) Oil Filler Plug (located beneath Tool Tray) Lifting Arm Handle Socket... - Page 5 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.
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Page 6: Maintenance
MAINTAINING OIL LEVEL Important: When adding or replacing oil, ALWAYS use a good grade Hydraulic Jack oil. 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. We recommend Mobil DTE13M or equivalent. -
Page 7: Troubleshooting
Symptom Jack will not lift load • Release valve not tightly closed • Overloaded - too much weight on jack Jack bleeds off • Release valve not tightly closed (starts to lower) after lift • Hydraulic unit malfunction Jack will not lower after •... -
Page 8: Service
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.