Maintenance 7. troubleshooting – Sealey MC550 User Manual
Page 4
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
Sole UK Distributor, Sealey Group,
Kempson Way, suffolk Business Park
,
Bury st. edmunds, suffolk,
IP32 7Ar
www.sealey.co.uk
W e b
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