CRAFTSMAN 48092 User Manual

Operator’s Manual  
3 Ton Service Jack  
Model 48092  
CUSTOMER HELP LINE  
Parts and Questions  
1-888-332-6419  
8:00 AM - 4:45 PM Central Time  
Monday- Friday  
WARNING: Before using this product,  
read this Operator’s Manual and follow  
all its Safety Rules and Operating  
Instructions.  
• Safety  
• Operation  
• Maintenance  
Sears Brands Management Corporation, Hoffman Estates, IL 60179 U.S.A.  
Printed in China  
ASME PASE Compliant  
CRAFTSMAN LIMITED WARRANTY  
SAFETY INSTRUCTIONS  
Read Operating Instructions  
CRAFTSMAN LIMITED WARRANTY  
FOR ONE YEAR from the date of sale this  
product is warranty against defects in material  
or workmanship. WITH PROOF OF SALE  
a defective product will be replaced free of  
charge.  
Study, understand and follow all instructions in  
this manual before operating the jack. Failure  
to heed these warnings may result in loss of  
load, damage to the jack and/or jack failure  
resulting in personal injury or property damage.  
For warranty coverage details to obtain  
free replacement, visit the web page: www.  
craftsman.com/warranty  
This warranty applies for only 90 days from  
the date of sale if this product is ever used  
while providing commercial services or if  
rented to another person.  
This warranty gives you specific legal rights,  
and you may also have other rights which vary  
from state to state.  
Position the Jack  
This jack is designed only for lifting part of  
the total vehicle. Position the jack to only lift  
on the areas of the vehicle specified by the  
vehicle manufacturer.  
Use Support Stands  
After lifting the vehicle always support the  
load with appropriately rated vehicle support  
stands before working on the vehicle.  
Do Not Overload Jack  
Sears Brands Management Corporation,  
Hoffman Estates, IL 60179  
Do not overload this jack beyond its rated  
capacity. Overloading this jack beyond its  
rated capacity can cause damage to or failure  
of the jack.  
DESCRIPTION  
This jack features a 6,000 lbs. maximum load  
capacity. Lifting range for this jack is 5-3/8  
inches to 19-1/2 inches. Jack features an  
overload valve bypass system to prevent jack  
damage and user injury.  
Use on Hard Level Surface  
This jack is designed only for use on hard level  
surfaces capable of sustaining the load. Use  
on other than hard level surfaces can result in  
jack instability and possible loss of load.  
Specifications  
Center Load on Jack Saddle  
Compact design allows use in confined spaces  
Maximum load capacity........3 tons (6,000 lbs.)  
Service jack lift range.....5-3/8 to 19-1/2 inches  
Weight....................................................75 lbs.  
Center load on jack saddle before lifting  
vehicle. Off-center loads and loads lifted  
when the jack is not level can cause loss  
of load or damage to the jack. Only use on  
vehicles whose lift points fit well with saddle  
of this jack.  
WARNING: This product contains chemicals  
known to the state of California to cause  
cancer and birth defects or other reproductive  
Do Not Use Jack as Dolly  
Do not move or dolly the vehicle while it is on  
the jack. Do not use this jack to lift or move  
a building, mobile home or travel trailer of  
any type.  
THIS IS A LIFTING DEVICE ONLY!  
KEEP HANDS AND FEET CLEAR OF  
THE JACK HINGE MECHANISM AND  
GROUND CONTACT AREA WHEN  
LOWERING THE LOAD!  
DO NOT work on vehicle supported by jack.  
Immediately after lifting, support load with  
appropriately rated vehicle support stands before  
working on vehicle.  
3
Pin  
ASSEMBLY  
Assembly  
Handle Assembly  
• Refer to Picture 1 when performing this step.  
Align Quick Disconnect pushpin in upper  
handle piece with attachment hole in lower  
handle piece. Push upper piece into lower  
piece until pushpin pops through hole.  
• Sufficiently loosen the Handle Socket Screw  
to insert the assembled handle (Picture 2).  
• Line up the square shaped hole located at  
the bottom of the handle over the square  
bolt inside the Handle Socket.  
Pump Plunger  
• Lower the handle onto the bolt. Secure the  
handle in place by tightening the Handle  
Socket Screw until the handle stops rotating.  
NOTICE: ONLY use the handle provided  
with this jack. Handle is specially designed  
to properly fit into handle socket and engage  
release valve.  
FEATURES & OPERATION  
Operation  
Oil Fill  
Screw  
Raising the Jack  
• Place vehicle in park, with emergency brake  
on and wheels securely chocked to ensure  
lifting stability.  
• Refer to the vehicle manufacturer owner’s  
manual to locate the approved vehicle lifting  
points.  
PREPARATION  
Preparation  
After first removing from shipping box  
• Carefully remove the retaining clip from the  
back of the service jack.  
• Position the jack so that the saddle will firmly  
contact the vehicle lifting point.  
• Close the release valve by turning the  
handle clockwise until it stops.  
• Pump jack handle until saddle nears contact  
with vehicle lifting point. Check to see that  
the saddle is centered and will contact lifting  
point firmly.  
CAUTION: The socket will tend to spring  
upward when the clip is removed. To prevent  
possible injury, place one hand on top of  
socket to control its upward motion when  
removing clip with other hand.  
4
• Continue to pump jack handle to lift vehicle to  
desired height.  
• After lifting, support the load with  
appropriately rated vehicle support stands  
before working on vehicle.  
Rust Prevention:  
• Check ram and pump plunger on the Power  
Unit Assembly every two months (or sooner,  
based on usage) for any signs of rust or  
corrosion. Lift the jack as high as it goes  
and look under and behind the lifting arm. If  
signs of rust are visible clean as needed and  
wipe down with with an oily cloth or cloth  
sprayed with WD-40.  
WARNING: Never work on, under, or around a  
load supported only by a hydraulic jack.  
Lowering the Jack  
• Raise load high enough to clear jack stands;  
then carefully remove the stands.  
• Carefully open the release valve by slowly  
turning the handle counterclockwise.  
• After removing jack from under vehicle, if  
saddle has not fully descended, push it all the  
way down. This will reduce ram exposure to  
rust and contamination.  
• When storing the jack, always have the  
saddle and pump plunger in the down  
postion.  
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 UN-  
RECOMMENDED FLUID CAN CAUSE  
DAMAGE TO YOUR JACK.  
MAINTENANCE  
Maintenance  
To Add Oil:  
Air Purge Procedure  
During shipment, air may get into the  
hydraulic system causing reduced lifting  
performance. Perform Air Purge Procedure  
described on page 2.  
• Position jack on the level ground and lower  
the saddle.  
• Remove the oil fill screw.  
• Fill the oil reservoir until oil level is just over  
the top surface of the inner cylinder. Replace  
oil plug.  
• Perform Air Purge Procedure described on  
page 2.  
To Replace Oil:  
• Fully open release valve by turning handle  
counterclockwise as far as it will go.  
• Remove the oil fill screw. Turn the jack over  
so that old oil will drain from the oil fill hole.  
• Turn the jack back over after the oil has  
drained. Refill through oil fill hole. Keep dirt  
and other material clear when pouring. Fill to  
just beneath lower rim of hole. Replace oil fill  
screw.  
• Perform Air Purge Procedure described on  
page 2.  
Lubrication  
• Add lubricating oil (WD-40) to all moving parts  
when needed.  
• For light duty use, lubricate every six months.  
• For heavy and constant use, lubrication is  
recommended every month.  
5
EXPLODED VIEW AND PARTS LIST  
Oil Fill  
Screw  
#
1
2
3
4
5
6
7
8
Description  
Saddle  
Qty.  
1
Lift Arm  
1
Side Plate Assembly  
Front Wheel  
1
2
Rear Caster Assembly  
Handle  
2
1
Handle Socket  
Power Unit Assembly  
1
1
TROUBLESHOOTING  
Symptom  
Poor jack  
Handle  
Jack will Jack will Jack will  
not lift not hold not lift to  
Jack will  
not lower  
completely  
lifting,  
pump  
feels  
raises by  
itself while  
under load  
load  
load  
full height  
spongy  
Oil level is low in jack. Add oil  
as required.  
X X  
X
X
X
X
X
X
Power unit may have trapped  
air. Release air from system.  
X
X
Release valve may not be  
closing properly. Turn the  
release valve clockwise tightly.  
X X  
Oil reservoir is over-filled.  
X
X
Drain out some oil.  
Lubrication of moving parts is  
necessary.  
Power unit is malfunctioning.  
Replace the power unit.  
X X  
X
6
NOTE  
7
7
For Help Line, Parts and Service:  
Call 8:00 am - 4:45 pm, CT, Monday - Friday  
1-888-332-6419  
Para la linea de ayuda, partes y servicio:  
Llame de 8:00 am - 4:45 pm, CT, Lunes-Viernes  
1-888-332-6419  

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