Craftsman 328.12190 Manuale utente
9010
[Sears
OWNERS
MANUAL
MODEL NO.
CAUTION:
Read Rules for
Safe Operation
and Instructions
Carefully
1_'_ ON CAPACITY
FLOOR SERVICEJACK
Operation
Repair Parts
Part No. 9010
Sears, Roebuck and Co., Chicago, I L. 60684 U.S.A.
RULES FOR SAFE OPERATION
IMPORTANT: Sometimes during shipment and/or
handling, air gets into the hydraulic system, causing
poor lifting performance. This is indicated by a
springy feet asyou pump the jack under a load.
PURGE ANY AIR FROM THE SYSTEM by simply
opening Release Valve (turn handle counter-clock-
wise) and operate pump handle rapidly severaltimes.
Raising the Jack
1. Close Release Valve TIGHTLY (by turning handle
clockwise)
2. Position jack under load so that saddle will contact
load firmly and iscentered so it cannot slip.
3. Operate jack handle until saddle approaches contact
with load. Once again check to see that saddle iscor-
rectly positioned.
4. Raise load to desired height. Transfer to Jack Stands
if load isto be held up for an extended period.
Lowering the Jack
Open Release Valve VERY SLOWLY (by turning handle
counter-clockwise). When Release Valve is opened,
saddle can be easily lowered by the spring tension inside
the frame.
CAUTION: Keep hands or feet away from the hinge
mechanism of the jack.
Operating Principles
With ReleaseValve TIGHTLY CLOSED:
1. Upward stroke draws oil from Reservoir Tank into
Plunger Cavity. Hydraulic pressure keeps Valve
closed, keeping oil in cylinder.
2. Downward stroke of Plunger forces oil into Cylinder.
Ram isforced out, raisingsaddle.
if load exceeds rated capacity, oil is automatically
released back into Reservoir thru Safety Overload
Valve.
3. When Ram reaches maximum stroke, oil is by-passed
back into Reservoir, thus preventing overextended
Ram Stroke.
When Release Valve is opened, oil is allowed to flow
back into Reservoir, releasing hydraulic pressure on
Ram and permitting saddle go be lowered.
JACK
RELEASE VALVE
GEAR
REAR
ASSEMBLY
GENE RA L
NOMENCLA TURE
Fig. 1
FRONT
WHEEL
ASSEMBLY
MAINTENANCE PROCEDURES
Maintaining Oil Level
IMPORTANT: When adding or replacing oil, always use a good
grade, Hydraulic Jack Oil. DO NOT use Brake Fluid, Alcohol,
Glycerine, Detergent Motor Oil, or Dirty Oil. Improper fluid can
causeserious internal damage to Jack.
Adding Oil: With Saddle fully lowered & jack on level ground,
remove Filler Plug (See Fig. 2). Oil should be filled to level of oil
filler plug hole. If low, add oil as needed.
Replacing Oil: To drain oil remove filler plug and releasevalve
gear assembly. (See Fig. 3) Turn jack over and pour old oil out.
While refilling, be very careful not to permit dirt or foreign
matter to get into system. After refilling be sureto purge any air
from the system by opening release valve (turn handle counter-
clockwise) and operate pump handle rapidly severaltimes.
PLUNGER
DOWN
OIL FILLER PLUG
/o,LLEVEL
', _J_I,_L= •
ILJ¾
RAM ALL
THE WAY
Fig. 2 IN
Preventing Rust
Check Ram & Plunger every 3 months for any signsof rust or
corrosion. Clean asneeded and wipe with an oily cloth.
When not using the jack, always leavethe Saddle & Pump Plunger
all the way down.
PLUNGER
RELEASE
VALVE
GEAR
TROUBLE SHOOTING (USING JACK WITHIN RATED LOAD CAPACITY)
Fig. 3
TROUBLE
Will not lift load at all
Will lift load only part way
Will lift load, but will not
hold
POSSIBLE CAUSE
1) No or tow Oil in system
2) Release Valve not closed
3) Power unit not functioning
4) Oil level low
5) Power unit leaking
REMEDY
1) Fill oil to prescribed level
2) Turn handle clockwise tightly
3) Replace power unit
4) Fill oil to prescribed level
5) Replace power unit
ReleaseValve stuck-probably
dirt or foreign matter
7) Dirty Oil
8) Air in Hydraulic System
Jack wil! not lower 6) 6) Transfer load & clean ReleaseValve
Poor lifting 7) Cha_ge Hydraulic Oil
8) Purg_Air from system by opening
Release Valve (turn handle counter-
clock:wise) and pumping handle
severaltimes.
0
Saddle (2108)
0
Power unit assembly
(1518)
Handle assembly
- 1308)
i
Handle gear assembly
(1408)
Pa_sNo.
1108
1308
1408
1518
Front wheet assembly
(1lo8)
Rear wheet assembly
(4018)
PARTS ARE AVAILABLE IN ASSEMBLIES ONLY (EXCEPT SADDLE)
Description
Front wheel assembly
Handle assembly
Handle gear assembly
Power unit assembly
Pa_sNo.
2108
4018
9010
Description
Saddle
Rear wheel assembly
Owners manuat
Model Number
The Model Number and Serial Number wilt be found on the
arm. Always mention the Model Number and Serial Num-
ber when requesting serviceor repair parts for your Jack.
How tO Order Repair Parts
All assemblies listed herein may be ordered from any
SEARS Service Center and Most SearsStores.
WHEN ORDERING REPAIR PARTS, ALWAYS GIVE
THE FOLLOWING INFORMATION:
1. PART NUMBER 3. PART DESCRIPTION
2. MODEL NUMBER 4. NAME OF ITEM
328.12190 1_/2Ton Freer Service Jack
tF THE PARTS YOU NEED ARE NOT STOCKED LO-
CALLY, YOUR ORDER WILL BE ELECTRONICALLY
TRANSMITTED TO A SEARS REPAIR PARTS DIS-
TRIBUTION CENTER FOR EXPEDITED HANDLING.
Sears, Roebuck and Co., Chicago, IL, 60684 U.S.A. o7e4P,_nto_=nJa_,
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