Maintenance 7. troubleshooting – Sealey MC550 User Manual

Page 4

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IMPORTANT: NO RESPONSIBILITY IS ACCEPTED FOR INCORRECT USE OF THE LIFT.

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

DO NOT return the product to us. Please call us on 01284 757500 to obtain the address and telephone number of your local agent.

If the product is under guarantee please contact your dealer.

De-commissioning: should the lift become completely unserviceable, draw off the oil into an approved container and dispose of the lift and

the oil according to local regulations.

6.1.

When the lift is not in use, it must be returned to its lowest

position to minimise ram and piston corrosion.

6.2.

Keep the lift clean and wipe off any oil or grease. lubricate

all moving parts..

6.3.

Before each use check all parts. If any part of the lift is

damaged or suspect, remove lift from service and take

necessary action to repair.

DO NOT use the lift if it is believed to have been subjected

to abnormal load or shock. Inspect and take appropriate action.

6.4.

Periodically check the ram and piston for signs of corrosion.

clean exposed areas with a clean oiled cloth.

6.5

Topping up or changing the oil.

6.5.1 to top up or change the oil the ram has to be removed from

the lift.

WARNING! only a good quality hydraulic oil, such as

seAley HydrAulIc oIl, must be used.

DO NOT use

brake fluid, transmission fluid or motor oil. use of improper

fluid can cause premature failure of the lift and the potential

for sudden and immediate loss of load.

IMPORTANT!: only fully qualified personnel should attempt

maintenance or repair. contact your authorised dealer.

6.5.2 set the lift in the upright position and secure it against falling,

ensuring that you have access to the ram on the underside of

the lift.

6.5.3 disconnect the two linkages attached to the ram. remove

the circlips from pivot pins at either end of the ram. remove

upper pivot pin. support ram, remove lower pivot pin and

remove ram.

6.5.4 With the ram in the upright position remove the filler plug and

top up to the level of the filler hole. replace the plug.

6.5.5 to change the oil lay the ram on its side and drain the oil into

a suitable container.

6.5.6 set the ram in the upright position and refill to the level; of

the filler hole. replace the plug.

6.5.7 Install the ram back into the lift by reversing the steps in

section 6.5.3.

6. MAINTENANCE

7. TROUBLESHOOTING

SYMPTOM

POSSIBLE CAUSE

SOLUTION

Jack will not lift

load.

release valve not

tightly closed.

close release valve fully.

overload condition.

remove/reduce load

Hydraulic unit

malfunction

service hydraulic unit

Jack will lift

but not retain

pressure

release valve not

tightly closed.

close release valve fully.

overload condition.

remove/reduce load

Hydraulic unit

malfunction

service hydraulic unit

Jack will lift

not lower after

unloading

Reservoir overfilled

Drain fluid to correct

level

linkages binding

clean & lubricate

moving parts

Poor lift

performance

fluid level low

Ensure proper fluid level

Air trapped in system

Bleed system

Poor lift

performance

fluid level low

top up to correct level

Air trapped in system

Bleed system

Will not lift to

full extension

fluid level low

Ensure proper fluid level

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 latest catalogue and promotions call us on 01284 757525 and leave your full name and address, including postcode.

01284 757500

01284 703534

[email protected]

Sole UK Distributor, Sealey Group,

Kempson Way, suffolk Business Park

,

Bury st. edmunds, suffolk,

IP32 7Ar

www.sealey.co.uk

W e b

email

Original Language Version

Mc550 Issue: 1 - 02/07/13

Environmental Protection.

recycle unwanted materials instead of disposing of them as

waste. All tools, accessories and packaging should be sorted,

taken to a recycle centre and disposed of in a manner which

is compatible with the environment.

© Jack sealey limited

Parts support is available for this product. to obtain a parts listing and/or a diagram please log on to: www.sealey.co.uk,

email: [email protected] or phone: 01284 757500

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