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Sealey YK20FAH.V3 Manual page 3

20tonne floor type air/hydraulic press

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6. OPERATION
DANGER! This model is purpose designed to withstand greater loads than the hydraulic units can develop. For safety reasons,
always ensure the workpiece and press tools are secured on the table and will not flex or suddenly "give way" causing danger to
operator or the component.
6.1.
Place the arbor plate (17) on press bed frame/table (18), then place the workpiece onto the arbor plate and align beneath the
ram as required.
NOTE:
care must be taken to ensure an arbor does not fall from the press work table. If necessary hold the configuration in position with
clamps.
6.2.
Close the release valve by turning it clockwise until it is firmly closed.
6.3.
Connect the air inlet fitting into the workshop air supply hose lock fitting, turn on the air valve to let the pump work until
serrated saddle (5) nears workpiece, then turn off the air valve. When air source is unavailable, pump the handle until serrated
saddle nears workpiece.
6.4.
Align workpiece and ram to ensure centre-loading. Before applying any pressure to the workpiece, recheck the alignment with the
ram and ensure that the workpiece and press tools are supported in such a way that they cannot flex.
WARNING! DO NOT apply off centre loads.
6.5.
Turn on the air valve or pump the handle to apply load onto workpiece.
6.6.
When work is done, turn off the air valve (or stop pumping handle), slowly and carefully remove load from workpiece by turning the
release valve counter-clockwise in small increments.
6.7.
Once ram has fully retracted, remove workpiece from the press bed frame.
6.8.
Disconnect the air inlet fitting from the air source.
NOTE:
Always keep the piston retracted after use to avoid ram corrosion.
7. MAINTENANCE
NOTE:
Maintenance and repair must only be carried out by qualified person. Contact your Sealey stockist for details.
7.1.
When the press is not in use, the hydraulic unit ram must be fully retracted to minimise corrosion. Remove the handle to inactivate
the press.
7.2.
Lubricate all moving parts at regular intervals.
7.3.
Always keep the press clean, dry, and protected from harsh conditions.
7.4.
Should you need to replace the oil, ensure the hydraulic unit ram is fully retracted. An excess of oil will render the press inoperative.
7.5.
Use only appropriate Sealey hydraulic jack oil (Sealey Part Number: HJO500MLS/HJO5LS). DO NOT use brake fluid.
7.6.
Purge the system to remove any air (see 5.4).
7.7.
If press efficiency begins to drop, purge the system to eliminate any air from the hydraulic system (see 5.4).
7.8.
Check your model parts information for spares.
ENVIRONMENT PROTECTION
Recycle unwanted materials instead of disposing of them as waste. All tools, accessories and packaging should be sorted, taken to
a recycling centre and disposed of in a manner which is compatible with the environment. When the product becomes completely
unserviceable and requires disposal, drain any fluids (if applicable) into approved containers and dispose of the product and fluids
according to local regulations.
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. Please note that other versions of this product are available. If you require documentation for alternative versions, please email or call
our technical team on technical@sealey.co.uk or 01284 757505.
Important: No Liability is accepted for incorrect use of this product.
Warranty: Guarantee is 12 months from purchase date, proof of which is required for any claim.
Sealey Group, Kempson Way, Suffolk Business Park, Bury St Edmunds, Suffolk. IP32 7AR
01284 757500
© Jack Sealey Limited
01284 703534
sales@sealey.co.uk
Original Language Version
www.sealey.co.uk
YK20FAH.V3 Issue 2 (3) 12/10/2021

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