Esco 10771 Bedienungsanleitung

Equipment Supply Company

Instruction Manual

Air Hydraulic Jack - 3 Stage Long Style

ESCO #10771

REV.10.13.A

21.800.352.9852 • [email protected] • www.esco.net

Air Hydraulic Jack - 3 Stage Long Style Model #10771

Please read the warnings and instructions carefully in the manual since they are

concerning the important indications and safety of operation and maintenance.

The Manufacturer is in no way responsible for eventual damages to persons,

animals or equipments caused by improper, erroneous, incorrect and

unreasonable application. Before assemby or use of the jack, make sure all parts

are included and package contains no damaged parts or components. Please

contact ESCO if there are missing or damaged parts/components.

Model 10771, Air Hydraulic Jack - 3 Stage Long Style will be refered to as

“air-operated hydraulic pressue jack” throughout instruction manual.

APPLICATION:

Air-operated hydraulic pressure jack is a newly-designed lifting equipment. It

utilizes compressed air to promote booster cylinder, to make the hydraulic oil

which is stored in oil tank infuse into oil cylinder to move hydraulic cylinder up

& down. It adopts the machinery design combination of hydraulic pressure

with great advantages of delicate design, small dimension, convenient

moving, wide scope of usage, strong jacking capacity and low lifting part.

It is a convenient lifting equipment and low labor intensity of automobile

manufacturing, repairing, engineering mechanism or heavy-facility.

SPECIFICATIONS:

Model No. 10771

Jacking Capacity 50T/30T/15T/

Air Pressure 90-130 psi

Lowest Height 5.5”

Hoisting Height 50T: 2.2” 30T: 2.04” 15T: 2.2”

Weight 143 lbs.

SAFETY NOTICE:

1. Install the operation rod and host together with fixed axis of operation rod. Place

the retaining ring in good order. Insert the air-operated connectors into pipe

connectors according to their different outer size. Pull the locked operation rod to

carry out 3 different directions: lever direction of operation rod & host, direction of

45 degrees and 90 degrees. (As for operation procedure, please see the label of

<Air-operated hydraulic pressure Jack installation instruction> which sticks on the

operation rod.)

2. ALWAYS USE clean and dry air pressure (Grease filter must be installed on the

air resource), its application scope should be 90-130psi (The MAX. air pressure of

safety valve is 130 psi) and within the rated air pressure scope to guarantee life.

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Model #10771 Air Hydraulic Jack - 3 Stage Long Style

3. Connect jack to air supply.

4. Placetheair-operatedhydraulicpressurejackonastable,at,resistant,

dry surface without drains or holes when using. If necessary, place a

wood board under the air-operated hydraulic pressure jack to avoid any

deection.(PleasecarefullyreadtheWarningslabelsonthehandle).

5. When lifting, place support stands or solid supports on the suitable area

under raised vehicle to assure security.

6. Before lifting, please estimate the weight of object and vehicles to

avoid overload. The life of equipment will be affected strongly if it is

overloaded.

7. The air-operated hydraulic pressure jack uses 32w hydraulic oil. Make

surethereisenoughltered&cleanhydraulicoiltosupportthejack,or

the jack is unable to reach it rated hoisting height. If it lacks of oil, please

screwofftheboltofoiltank’sllingopeningandllsuitableamountof

oil then screw on.

8. Don’t shake it sharply when using. To move the air-operated hydraulic

pressure jack, please keep the wheels balanced with the operation

handle in intermediate position.

9. DO NOT place the equipment upside down when using.

10. Please keep the equipment cleaned & out of the reach of children when

not using.

11. It is natural & normal for a little bit of oil leaking when transporting,

loadingandusingitinthersttime.

TRANSPORT:

The equipment should be packed in carton. Please see the carrying position

as below picture:

Notice:

1. Carry the equipment with hands in

the (carrying position), see picture to

the left.

2. Please operate it according to the

relative warning indicated on the

carton.

3. The operator can move the

equipment to any places with the

help of operation handle and wheels.

CARRYING POSITION

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Air Hydraulic Jack - 3 Stage Long Style Model #10771

EQUIPMENT INSTALLATION, DISASSEMBLY AND TEST

EQUIPMENT TEST:

a. When the Equipment is off load within rated air pressure scope,

operate the handle of hand valve clockwise to make the Jack

move up to the rated hoisting height. After reach the rated hoisting

height, boosting system stops working automatically (The MAX.

air pressure of safety valve is 130psi). Operate the handle of hand

valve anticlockwise to make the jack move down. Dust band and

sealing of cylinder work in good order without gas leaking..

b. Test the equipment with heavy load by special testing machine.

It is able to reach the rated jacking capacity and hoisting height

within the rated air pressure scope. Dustband and sealing of

cylinder work in good order without gas leaking. (The MAX. air

pressure of safety valve is 130 psi).

OPERATION AND MAINTENANCE:

I. Operation of air-operated hydraulic pressure jack

a. Operate the handle of hand valve clockwise to carry out lifting.

When the equipment lifts to the rated height; it will stop lifting

automatically by itself with the limitation system.

b. Operate the handle of hand valve counter-clockwise to lower the

jack. The equipment will move down automatically by itself with

reasonable design principle of air structure.

II. Equipment maintenance and troubleshooting

c. Add a few drops of lubricating oil regularly on the air inlet every

30 days.

d. DO NOT keep jack near acid, alkali or corrosive working places.

e. Check the oil tank to make sure whether there is enough hydraulic

oil or not every 30 days.

f. Keep it clean daily after using.

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Model #10771 Air Hydraulic Jack - 3 Stage Long Style

TROUBLESHOOTING:

Condition Possible reason Troubleshooting

Gas-leak under

the host

Connector or air pipe doesn’t

connect in a right way, or air

pipe is broken.

Connect again or replace the air

pipe or connector after checking.

Gas-leak on oil

cylinder

Dust band or sealing and

cylinder are broken Check and replace the dust band or

sealing or spare parts.

A little bit of oil

leak

Oil runs into air pipe during

the course of transporting. It is unnecessary to repair if it works

in good order

A great deal of

oil leak

1. The equipment was

turned upside down or

tilted.

2. Connector of oil inlet or

sealing of oil cylinder is

broken.

3. Inside wall of cylinder is

broken

1. Starting the equipment under

these conditions is strictly

prohibited. If it is not in this

condition, check and make

sure whether there is enough

oil in oil tank or not, if not, it

should add more.

2. Check and replace spare parts.

3. Check and repair cylinder.

Booster pump

does not work

1. One-way valve or spring

is broken.

2. Booster piston or

booster cylinder is

broken

3. Air pressure is not

enough, air pipe

removed or air inlet is

plugged up.

1. Check and replace the spare

part.

2. Check and repair, replace the

spare part if necessary.

3. Check the air pressure whether

is within 90-130psi and the air

way is broken or not.

Booster pump

works in good

order but

cylinder does not

move up.

1. Lack of oil.

2. The steel ball of one-

way valve is plugged up.

3. Oil Cylinder is broken.

1. Fill it with hydraulic oil.

2. Take the connector of oil inlet

apart and take out the one-way

valve and spring to clean it.

3. Check and repair cylinder.

It works with off

load but it does

not move up or

moves up slowly

with heavy load.

1. Air pressure is not

enough, air pipe

removed or air inlet is

plug up.

2. one-way valve is

plugged up.

3. Hydraulic oil became

thick

1. Check the air pressure whether

is within 90-130psi and the air

way is broken or not.

2. Check and Take every one-way

valve apart and clean them.

3. Replace the hydraulic oil.

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Air Hydraulic Jack - 3 Stage Long Style Model #10771

WARNING:

1. Air-operated hydraulic pressure jack is a lifting tool when using. It can

not be used as a supporting tool. Without any secured stands or solid

supports on the suitable area under raised vehicle to assure security,

ALL operators are strictly prohibited to work after the equipment moved

up. (Please carefully read the Warning label on the operation handle).

2. UsetheAir-operatedhydraulicpressurejackonaatandresistant

surface away from drains and holes. It is not allowed to use it on a

slopeoortoavoidliftingobjectsmovingorslipping,especiallythose

vehicle. Make sure to place supports under wheels to avoid the vehicle

from slipping, causing the jack to move out of postion (Please carefully

read the Warning label on the operation handle).

3. Always respect production requirement and use the equipment within

the scope of jacking capacity.

4. Use clean and dry air pressure. its application scope should be 90-130

psiandatthesametimetoapplytheltered&clean32whydraulicoil.

(The MAX. air pressure of safety valve is 130 psi)

ATTACHMENT:

1. The equipment is assembled with long extension rod and middle

extension rod together. Please x them tightly with rope during the

course of transportation to avoid damaging the host.

2. The operation handle is packed in another carton. Please take it

out and install it in the host according to the installation indication of

operation rod.

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Model #10771 Air Hydraulic Jack - 3 Stage Long Style

EXPLODED VIEW:

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Air Hydraulic Jack - 3 Stage Long Style Model #10771

CYLINDER BREAKDOWN:

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Model #10771 Air Hydraulic Jack - 3 Stage Long Style

MAIN FRAME:

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Air Hydraulic Jack - 3 Stage Long Style Model #10771

OPERATING ROD:

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