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.

Saddle (2108)

Power unit assembly

(1518)

Handle assembly

- 1308)

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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