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IMPORTANT: Only fully qualified personnel should attempt maintenance or repair. 

5.1. When the jack is not in use, the ram should be in its lowest position to minimise corrosion. Remove the handle to inactivate jack.
5.2. Keep the jack clean and lubricate all moving parts with acid free oil on a regular basis.
5.3. To check the oil level, fully lower the jack. Remove filler screw (item 50 in parts drawing). The oil level should be 12 -15mm beneath the

top edge of the filler plug hole. Approximate oil capacity - 1.8l. IMPORTANT: Do not overfill as this may effect the smooth operation of the jack.

NOTE

: Use a good quality jack oil, such as SEALEY HYDRAULIC JACK OIL. 

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WARNING: DO NOT use brake fluid, or any fluid other than hydraulic jack fluid as this may cause serious damage to the 

jack and will invalidate the warranty!

5.4. Before each use check for broken, cracked, bent, or loose parts, or any visible damage to ram, pump, saddle, lifting arm, frame and all

parts including nuts, bolts, pins and other fasteners. If any suspect item is found remove jack from service and take the necessary action 

to remedy the defect. DO NOT use the jack if it is believed to have been subjected to abnormal load or shock load. Inspect and

take appropriate action.

5.5. After one year the oil should be replaced in order to extend the life of the jack. Drain and refill via the filler plug. Make sure that no dirt is 

allowed to enter the hydraulic system. See 5.3. for refill instructions.

5.6. Periodically check the pump piston and the ram for signs of corrosion. Clean exposed areas with a clean oiled cloth.

IMPORTANT: NO RESPONSIBILITY IS ACCEPTED FOR INCORRECT USE OF THIS PRODUCT.

Hydraulic products are only repaired by local service agents. We have service/repair agents in all parts of the UK. 

DO NOT RETURN JACKS TO US.

Please telephone us on 01284 757500 to obtain the address and ‘phone number of your local agent.

If jack is under guarantee you can also contact your local dealer.

De-commissioning

Should the jack become completely unserviceable, draw off the oil into an approved container and dispose of the jack and the oil according to

local regulations.

5. MAINTENANCE

6. TROUBLESHOOTING

PROBLEM

POSSIBLE CAUSE

REMEDY

Jack will not lift

the load

Jack does not lift

high enough or

feels “spongy”

Jack lifts poorly

Jack lifts but will

not hold load

Jack will not lower

completely

Jack does not

lower at all

1) Be sure to use jack with adequate capacity.

2) Top up oil level.

3) Check and close release valve.

4) Open release valve and pump the handle a few times. Close valve and re-try.

5) Clean and replace oil.

6) Replace packing.
1) Fill or remove excess oil.

2) Return jack to local service agent.

3) Open release valve and pump the handle a few times. Close valve and re-try.

4) Check and close release valve.
1) Replace packing and/or clean valves.

2) Replace oil.

3) Open release valve and pump the handle a few times. Close valve and re-try.
1) Check and close release valve.

2) Lower jack, close release valve. Place foot on front wheel and pull up lifting arm to full height by hand. 

Open the release valve to lower arm.

3) Open release valve and pump the handle a few times. Close valve and re-try.

4) Replace packing or contact local service agent.

5) Replace packing.
1) Oil all external moving parts. 

2) Replace rod or contact local service agent.

3) Replace damaged parts or contact local service agent.

4) Open release valve and pump the handle a few times. Close valve and re-try.

5) Check and fully open release valve.

6) Replace spring or contact local service agent.

1) Check and fully open release valve.

1) Overloaded

2) Oil level low

3) Release valve not correctly closed 

4) Air in system

5) Piston rod not functioning

6) Packing worn or defective
1) Oil level too high or too low

2) Worn seals

3) Air in system

4) Release valve not closed
1) Pump packing or valves malfunctioning

2) Oil is dirty

3) Air in the system
1) Release valve partially open

2) Dirt on valve seats

3) Air in system

4) Faulty seals

5) Packing worn or defective
1) Unit requires lubrication

2) Piston rod bent or damaged

3) Jack frame/link system distorted due

to overloading/poor positioning

4) Air in system

5) Release valve partially closed

6) Jack spring damaged
1) Release valve closed

Declaration of Conformity 

We, the sole importer into the UK, declare that the product listed below is in conformity with the following standards and directives.

The construction file for this product is held by the Manufacturer and may be inspected, by a national

authority, upon request to Jack Sealey Ltd.

For Jack Sealey Ltd. Sole importer into the UK of Sealey Quality Machinery.

Trolley Jack

Model: 3000HL

93/68/EEC CE Marking Directive

98/37/EC Machinery Directive

13th July 2001

01284 757500

E-mail:

[email protected]

01284 703534

Sole U.K. Distributor, 

Sealey Group,

Bury St. Edmunds, Suffolk.

Signed by Mark Sweetman

4.2.2. Should the jack become overloaded, a safety excess pressure valve will open and stop the vehicle from lifting.

4.3. Lowering the vehicle 

4.3.1. Pull the handle up and turn it clockwise to open the valve and lower the load.

4.3.2. The lowering speed is controlled and constant regardless of how much you turn the handle. 

WARNING!

Ensure that there are no persons or obstacles beneath the vehicle, or in the path of descent.

NOTE:

It is our policy to continually improve products and as such we reserve the right to alter data, specifications and component parts without prior notice.

IMPORTANT: 

No liability is accepted for incorrect use of this product. 

WARRANTY: 

Guarantee is 12 months from purchase date, proof of which will be required for any claim. 

INFORMATION:

For a copy of our catalogue and promotions call us on 01284 757525 and leave your full name, address and postcode.

3000HL - 0001 - (1) - 130701

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