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5.2.5.
Take small seal and piston (fig.6.7 & 8) and gently push them down
the narrow bore of the cylinder ensuring the metal piston is
first, with the concave face pointing in the direction of the T-handle,
and the seal (fig.6.7) second, with the widest part of the seal facing
upwards towards the main cylinder (fig.6). Push into bore as far
as possible.
5.2.6.
Pour 15grms of oil into the bore (fig.7). Insert larger seal (fig.8.6)
as shown, with the widest part of the seal facing downwards into the
bore. Push down into main cylinder as far as 'X' (fig.8) followed
by piston (fig.8.4) and spring (fig.8.3).
5.2.7.
Refit (do not overtighten) cover (fig.8.2) and replace T-handle (fig.8.5.)
WARNING! The correct orientation of pistons and seals in the
‰
ram is critical.
5.2.8.
Screw T-handle into ram until it contacts small piston and then
turn a further two or three times.
5.2.9.
Remove T-handle and firmly bounce the ram piston (fig.9) on a hard,
but non-damaging, surface 6 to 10 times to consolidate oil.
Replace the T-handle, wipe clean and the ram is ready for use.
fig.8
5.3.
MAINTENANCE OF EARLY MODELS
Please note that earlier models of the PS990 were filled with a hydraulic grease.
WARNING! DO NOT put oil into units previously filled with grease as seals will be configured for grease only and will leak if used with oil.
‰
5.4.
CONVERTING OLD UNITS TO OIL
The old type grease filled PS990 can be converted for use with oil by replacing the internal components with those supplied in the
repair kit shown in fig.9 PS982/8002. DO NOT mix old and new components. A single 15grm refill of oil may be obtained by quoting Part
No.PS982/OIL
Parts support is available for this product. Please email sales@sealey.co.uk or telephone 01284 757500
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
fig.6
fig.9
PS980.V2, PS985.V2
fig. 7
fig.10
www.sealey.co.uk
Issue 2 (H,3,F)
02/02/22
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