Craftsman Automobile Parts 50136 User Manual

Operators Manual  
FLOOR JACK  
Model 950136 - 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.  
Sears, Roebuck and Co., Hoffman Estates, IL 60179  
U.S. Patent: 5,946,912  
Printed in China  
 
SAFETY INSTRUCTIONS  
! WARNING  
! 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.  
• Do not move or dolly the vehicle while  
on the jack.  
• Failure to heed these markings may  
result in personal injury and/or property  
damage.  
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.  
!
ADVERTENCIA  
Leer, comprender, y seguir las  
instrucciónes antes de utilizar el aparato.  
• El manual de instrucciónes y la  
información de seguridad deben estar  
comunicado en lengua del operador  
antes del uso.  
• No seguir estas indicaciónes puede  
causar daños personales o materiales.  
ASSEMBLY  
TO ASSEMBLE THE TWO PIECE TO ASSEMBLE THE HANDLE INTO  
HANDLE THE SOCKET  
Assemble two piece handle by aligning holes Insert the assembled handle into the socket.  
in upper and lower handles. (see Fig. 1) Secure with supplied bolt. (see Fig. 2)  
Secure handle with provided bolt.  
Assembled Handle  
Upper Handle  
Handle Socket  
Bolt  
Bolt  
Lower Handle  
FIG. 1  
FIG. 2  
3
 
OPERATION  
KNOW YOUR JACK  
BEFORE USE  
Compare Fig. 3 illustration with your jack  
BEFORE operation to become familiar with  
the location of various jack components.  
• Read the operator's manual completely  
and familiarize yourself thoroughly with the  
product, its components and recognize the  
hazards associated with its use.  
• Occasionally during shipment and/or  
handling air can get trapped in the system,  
which can interfere with the jacks lifting  
performance.  
Jack Handle  
• It is recommended to cycle the jack a few  
times without applying load:  
• Close release valve by turning the jack  
handle clockwise until tight.  
Oil Filler Plug  
(Not Shown, on Reservoir)  
• Pump the handle until the jack saddle  
reaches its maximum height.  
Saddle  
Lifting Arm  
• Open release valve by turning jack handle  
counterclockwise, but no more than 1/2  
full turn. Allow the saddle to reach its  
lowest position.  
Handle  
Socket  
• Repeat the above procedure a few times.  
To release air from the hydraulic system:  
• Open the release valve by turning the jack  
handle counterclockwise, but never by  
more than 1/2 full turn.  
• Remove the oil filler plug from the cylinder.  
(see Fig. 4)  
Front Wheel  
Rear Caster  
Release Valve  
• Rapidly pump jack handle through several  
full strokes.  
FIG. 3  
• Reinstall the oil filler plug into the cylinder  
again and jack is now ready to use.  
SPECIFICATIONS  
Rated Capacity: 3 Ton / 6000 Lbs  
Jack Dimensions: 25” x 13 7/16” x 6 7/16”  
Lifting Range: 5 1/2” - 19”  
(140mm - 483mm)  
Oil Capacity: 150 c.c.  
Net Weight: 80.7 Lbs  
4
 
OPERATION  
• Continue to pump the jack handle to lift the  
OPERATING PRINCIPLES  
vehicle to the desired height. After lifting,  
immediately support the load with  
appropriately rated jack stands BEFORE  
working on the vehicle.  
• 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.  
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.  
• 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.  
LOWERING THE JACK  
To avoid crushing injuries and property  
damage: Keep hands and feet clear of work  
area when lowering load.  
!
HOW TO USE YOUR JACK  
RAISING THE JACK  
• Chock the vehicle wheels with appropriate  
devices to prevent vehicle from moving and  
to ensure lifting stability.  
• Close the release valve by turning the jack  
handle clockwise until tight. (see Fig. 3)  
• Raise load high enough to clear the jack  
stands, then carefully remove jack stands  
(always used in pairs).  
• SLOWLY open the release valve by turning  
the handle counterclockwise, but never  
more than 1/2 full turn. If the load fails to  
lower:  
• Refer to the vehicle manufacturer’s owner’s  
manual to locate approved lifting points on  
the vehicle. Position jack so that the saddle  
(see Fig. 3) is centered under the load at  
an appropriate lift point.  
• 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.  
a. Use another jack to raise the vehicle  
high enough to reinstall jack stands.  
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.  
5
 
MAINTENANCE  
MAINTAINING OIL LEVEL  
ANNUAL INSPECTION  
To ensure that it is in optimum condition,  
annual inspection of the jack at a Sears  
Service Center is recommended.  
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. We recommend Mobil DTE13M  
or equivalent.  
REPLACING OIL  
• To drain oil, with saddle fully lowered,  
remove 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.  
• 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.  
ADDING OIL  
• Position the jack on level ground and fully  
lower the saddle. (Ram will be all the way  
in). Remove oil filler plug from the reservoir  
(see Fig. 3 & 4).  
• 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. The jack is now  
ready to use.  
• Re-install oil filler plug and the jack is ready  
to use.  
LUBRICATION  
• Add lubricating oil to all moving parts as  
needed.  
PREVENTING RUST  
• Check ram and pump piston (see Fig. 4)  
every few months for any signs of rust or  
corrosion. Clean as needed by wiping with  
an oily cloth.  
• When not in use, ALWAYS store jack with  
saddle lowered all the way down.  
Pump plunger  
Release valve  
Oil filler plug  
Oil filler hole  
Proper oil lever  
Ram all way in  
Reservoir  
Cylinder  
6
FIG. 4  
 
TROUBLESHOOTING  
PROBLEM-SOLVING HINTS  
Possible Causes  
Corrective Action  
Symptom  
Jack does 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  
• Drain fluid to proper level  
• Clean and lubricate moving parts  
Jack does not lower after • Oil reservoir overfilled  
unloading  
• Linkages binding  
Poor lift performance  
• Fluid level low  
• Ensure proper fluid level  
• Air trapped in system  
• With ram fully retracted, open release  
valve and remove oil filler plug, pump  
handle several times to expel trapped  
air. Replace oil filler plug.  
Does not lift to full  
extension  
• Fluid level low  
• Ensure proper fluid level  
PARTS  
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.  
PARTS ARE ONLY AVAILABLE IN ASSEMBLIES (except Saddle)  
4
Key  
Description  
1
1
2
Saddle  
Handle Assembly  
Front Wheel  
6
3
2
4
Handle Socket Assembly  
Rear Caster Assembly  
Power Unit Assembly  
Oil Filler Plug  
5
6
5
Operators Manual  
Warning Label  
3
FIG. 5  
For after sale support and assistance:  
Call 8:00 AM - 4:45 PM CST., Monday - Friday 1-888-332-6419  
7
 
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Call anytime, day or night  
(1-800-469-4663)  
(U.S.A. and Canada)  
Our Home  
For repair of carry-in items like vacuums, lawn equipment,  
and electronics, 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)  
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 reparación  
a domicilio, y para ordenar piezas:  
Au Canada pour service en français:  
1-800-LE-FOYERMC  
1-888-SU-HOGAR®  
(1-888-784-6427)  
(1-800-533-6937)  
© Sears Brands, LLC  
®
Registered Trademark / TM Trademark / SM Service Mark of Sears Brands, LLC  
Marca Registrada / TM Marca de Fábrica / SM Marca de Servicio de Sears Brands, LLC  
®
MC Marque de commerce / MD Marque déposée de Sears Brands, LLC  
 

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