Craftsman 950156 Operator's Manual

Operators Manual

ROF SS NAL

FLOOR JACK

Model 9-50156 =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

Warranty ..... R 2

Save these instructions ..... R 2

Safety instructions ..... R 3

Assembly ..... R 3

Operation ..... R 4 & p.5

Maintenance ..... R 6

Troubleshooting ..... R 7

Parts ..... R 7

Service ..... R 8

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 replacement.

This warranty gives you specific legal rights, and you may also have other rights which vary
from state to state.

Sears, Roebuck and Co., Hoffman Estates, IL 60179

For your safety, read, understand, and follow the information provided with and on this jack.

• The owner and operator of this equipment shall have an understanding of this jack and safe
operating procedures before attempting to use. The owner and operator shall be aware that

use and repair of this product may require special skills and knowledge. Jack instructions
and safety information must be conveyed in jack operator's native language before jack is

used. If any doubt exists as to the safe and proper use of this jack, remove from service
immediately.

• Inspect before each use. Do not use if broken, bent, cracked, or damaged parts (including
labels) are noted. Any jack that appears damaged in any way, operates abnormally or is

missing parts, shall be removed from service immediately.

• If the jack has been or suspected to have been subjected to a shock load (a load dropped
suddenly, unexpectedly upon it), immediately discontinue use until jack has been checked

by a Sears or other qualified service center. It is recommended that an annual inspection
be done by qualified personnel.

• Labels and Owner's Manuals are available from Sears (see PARTS section on page 6).

• 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.

• Do not move or dolly the vehicle while

on the jack.

• Failure to heed product markings or

warnings may result in personal injury
or property damage.

Leer, comprender, yseguir las instrucciones
antes de utilizar el aparato. El manual

de instrucciones y la informacion de
seguridad deben estar comunicado en

lengua del operador antes del uso. No
seguir estas indicaciones puede causar

danos personales o materiales.

To avoid crushing and
related injuries:

NEVER work on,
under or around a load [

supported only by jack.
ALWAYS use adequately

rated jack stands.

! SAFETY MESSAGE !

Be sure all tools and personnel are clear

before lowering load. No alterations
shall be made to this product. 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 _ per vehicle only.

A T _, v

TO ASSEMBLE THE TWO PIECE
HANDLE

• Locate the spring pin on bottom end of upper
handle and the spring pin receiver on the

upper end of lower handle. (Fig. 1).

• Align the spring pin with the spring pin
receiver. Connect the two handle pieces

together by pressing the spring pin and

insert until the spring pin is locked in the

spring pin receiver.

TO ASSEMBLE THE HANDLE INTO
THE SOCKET

1. Press and hold the handle socket to loosen
the lock pin (Fig. 2).

2. Pull out the lock pin, then release handle
socket slowly.

,_l_Caution: Handle socket is spring loaded.

Beware of pinching on fingers during
removal of lock pin.

3. Pull and hold the spring knob (Fig. 3).

4. Insert the assembled handle into the
socket, until it is firmly seated.

5. Release spring knob to secure the handle

in position.

S/p,ring Pin

/ /Spring Pin Receiver

Upper Handle

Lower Han_dll

FIG. 1

FIG. 2

Handle Socket_

o / ®

hold the

"_"_'_.,_ positionof Handle

tL.(_] Socket in packaging)

Assembled _._, Handle Socket

Handle ---_ /_

Spring Knob ---______

FIG. 3

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)

Saddle

Lifting Arm

Handle

Release
(inside Handle

Socket, engage
with Jack Handle)

Front Wheel

r Castor FIG. 4

SPECIFICATIONS

Rated Capacity: 4 Ton / 8000 Lbs
Jack Dimensions: 27-1/4" x 13-1/4" x 6-

7/16"
Lifting Range: 5-3/4 ''~ 19-13/16" (Approx.)

(145 - 504 mm)
Oil Capacity: 235 c.c.
Net Weight: 89.1 Lbs (Approx.)

BEFORE USE

* 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 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

lifting performance.
To stabilize the hydraulic oil, it is

recommended to cycle the jack a few times
without applying load:
, Close release valve by turning the jack

handle clockwise until tight.

, Pump the handle until the jack saddle

reaches its maximum height.

, Open release valve by turning jack

handle counter-clockwise, but no more

than 1/2 full turn at a time. Allow the
saddle to reach its lowest position.

* 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 at a time.

, Remove the oil filler screw from the

cylinder (Fig. 4).

, Rapidly pump jack handle through

several full strokes.

, Reinstall the oil filler screw into the

cylinder again and jack is now ready to
use.

BEFORE EACH USE

Make a visual inspection before each use

of the floor jack by checking for abnormal

conditions, such as cracked welds, leaks and

damaged, loose, or missing parts.

DAMAGE TO JACK

If you think jack has been subjected to an

abnormal load or shock, have it inspected for
damage at a Sears or other qualified service

center before using it again.

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. 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.

Note: The release valve must be closed
for the handle to remain upright. When the

release valve is opened, the handle may
lower to the floor.

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 (Fig. 4).

• Refer to the vehicle manufacturer's owner's

manual to locate approved lifting points on

the vehicle. Position jack so that the saddle

(Fig. 4) 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.

• Continue to pump the jack handle to lift

the vehicle to the desired height. After

lifting, immediately support the load with

appropriately rated vehicle support stands

BEFORE working on the vehicle.

LOWERING THE JACK

SLOWLY open the release valve by
turning the handle counterclockwise,

but never more than 1/2 full turn at a
time.

,_Warning: Rated capacity of jack stands

is pet 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 one 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.

LOWERING THE JACK
,_Warning: To avoid crushing injuries and

property damage: Keep hands and feet clear
of work area when lowering load.

* 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:

* Use another jack to raise the vehicle high

enough to reinstall jack stands.

* Remove the affected jack and then the

stands

* 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.