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Operators Manual
FLOOR JACK
9
Model 50156 - 4 Ton Capacity
• 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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TABLE OF CONTENTS Warranty .....P. 2 Save these instructions .....P. 2 Safety instructions .....P. 3 Assembly .....P. 3 Operation .....P. 4 & p.5 Maintenance .....P. 6 Troubleshooting .....P. 7 Parts .....P. 7 Service .....P. 8 WARRANTY CRAFTSMAN PROFESSIONAL WARRANTY 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
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SAFETY INSTRUCTIONS ! ! WARNING WARNING To avoid crushing and • Study, understand, and follow all instructions with and on this device related injuries: N E V E R w o r k o n , before operating this device. under or around a load • Do not exceed rated capacity. supported only by jack. • Use only on hard, level surface. ALWAYS use adequately • This is a lifting device only. Immediately rated jack stands. after lifting, support the vehicle with appropriately rated vehicle stands. • Do n
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OPERATION KNOW YOUR JACK BEFORE USE • Read the operator’s manual completely Compare Fig. 4 illustration with your jack and familiarize yourself thoroughly with the BEFORE operation to become familiar with product, its components and recognize the the location of various jack components. hazards associated with its use. • Occasionally during shipping and handling, the hydraulic oil in jack may become unstable or air may trapped in the system, both of which can interfere with the jacks Ja
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OPERATION LOWERING THE JACK OPERATING PRINCIPLES • SLOWLY open the release valve by • With release valve closed, an upward turning the handle counterclockwise, stroke of the jack handle draws oil from but never more than 1/2 full turn at a the reservoir tank into the plunger cavity. time. Hydraulic pressure holds a valve closed, which keeps the oil in the plunger cavity. ! Warning: Rated capacity of jack stands • A downward stroke of the jack handle is per pair, it is NOT the su
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MAINTENANCE MAINTAINING OIL LEVEL ANNUAL INSPECTION Important: When adding or replacing oil, To ensure that it is in optimum condition, ALWAYS use a good grade Hydraulic Jack oil. annual inspection of the jack at a Sears DO NOT use Hydraulic Brake Fluid, Alcohol, Service Center is recommended. Glycerine, Detergent, Motor Oil or dirty oil. Use of an improper fluid can cause serious REPLACING OIL internal damage to your jack. We recommend • To drain oil, remove oil filler screw and open Mob
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TROUBLESHOOTING PROBLEM-SOLVING HINTS Symptom Possible Causes Corrective Action Jack will not lift load • Release valve not tightly closed • Ensure release valve is tightly closed • Overloaded - too much weight on jack • Reduce weight on jack Jack bleeds off • Release valve not tightly closed • Ensure release valve is tightly closed (starts to lower) after lift • Hydraulic unit malfunction • Replace power unit assembly Jack will not lower after • Oil reservoir overfilled • Drain fluid to proper le
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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.
