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Using a small flat screwdriver remove Piston Seal 26 and the two Anti-Extrusion Rings 27, from the external groove
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on the Piston 1, and discard. When removing the seals, take care not to damage the surface of the Piston with the
screwdriver.
If the Front Seal Gland 15 is still retained in the Body 2. Place the Body nose up on a bench and then push the Front Seal
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Gland from the front until it is free from the recess within Body. The Front Seal Gland can then be removed from the
back end of the Body. Take care not to damage the bore within the Body when doing so.
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Using a small flat screwdriver remove O-Ring 23 and Spiral Back-up Ring 34, from the external groove on the Front Seal
Gland 15, and discard. When removing the seals, take care not to damage the surface of the Front Seal Gland with the
screwdriver.
Remove Rod Seal 25 and Wiper Seal 22, from the internal grooves on the Front Seal Gland 15, and discard. When
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removing the seals, take care not to damage the surface of the Front Seal Gland with the screwdriver.
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Remove the Front Bearing Ring 24 and check the part for wear or damage. Discard if necessary.
Using a small flat screwdriver, remove O-Ring 21 from the Body 2 and discard.
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Remove the spare *Quick Coupler - Female from the Quick Coupler - Male 10 on the Hydraulic Hose - Pull 19.
Assemble in reverse order to dismantling noting the following points:
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Clean all components before assembling.
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To aid assembly of seals apply a light coating of Molykote® 111 grease to all seals, seal grooves, back-up rings and the
assembly tools.
Slide O-Ring 23 over the Front Seal Gland 15 and into the external groove. Insert the Spiral Back-up Ring 34 in the same
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groove, in front of the installed O-Ring. Refer to the General Assembly and Parts List for the correct orientation of the
O-Ring and Spiral Back-up Ring.
Press the Front Bearing Ring 24 into the internal recess within the Front Seal Gland 15 and then install Rod Seal 25
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behind the Front Bearing Ring. Install the Wiper Seal 22 in the front recess of the Front Seal Gland. Refer to the General
Assembly to ensure the correct orientation of the Rod Seal and Wiper Seal.
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Lubricate the surface and leading edge of the Body 2 bore into which the Front Seal Gland 15 is to be installed with
Molykote® 111 grease.
Lubricate the spigot on the *Front Gland Guide Rod tool and then place the Front Seal Gland 15, Rod Seal 25 end first,
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fully over spigot. Insert *Front Gland Guide Rod into the rear of the Body 2 and then push the Front Seal Gland fully into
the bore within the Body. Reasonable force is required to insert Front Seal Gland into the Body, so the use of a press or
vice may be necessary. Remove the *Front Gland Guide Rod while ensuring that the Front Seal Gland stays in place.
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Lubricate the seal groove and major external diameter of the Piston 1 with Molykote® 111 grease. Slide the Piston Seal
26 over the front of the major Piston diameter and into the seal groove. Install two Anti-Extrusion Rings 27 into the
Piston seal groove, one either side of the Piston Seal.
Screw the *Piston Bullet - Front onto the front of the Piston 1. Lubricate the *Piston Bullet - Front, Piston shaft and
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Piston Seal 26 with Molykote® 111 grease.
Screw the *Piston Guide Sleeve fully into the rear of the Body 2. Lubricate the bores in both the Body and the *Piston
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Guide Sleeve with Molykote® 111 grease.
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Connect the spare *Quick Coupler - Female to the Quick Coupler - Male 10 on the Hydraulic Hose - Pull 19. This will
allow air to be released from the pull side of the Piston 1 when inserting the Piston.
Insert the assembled Piston 1 into the rear of the Body 2 and through the assembled Front Seal Gland 15. Push the
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Piston into the fully forward position until it stops against the Front Seal Gland. Hydraulic oil will be expelled from the
Hydraulic Hose - Pull 19.
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Remove the spare *Quick Coupler - Female from the Quick Coupler - Male 10 on the Hydraulic Hose - Pull 19. Remove
the *Piston Guide Sleeve from the rear of the Body 2.
Slide O-Ring 30 over the Rear Seal Gland 16 and into the external groove. Insert the Spiral Back-up Ring 36 in the same
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groove, behind the installed O-Ring. Refer to the General Assembly and Parts List for the correct orientation of the
O-Ring and Spiral Back-up Ring.
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Press the Rear Bearing Ring 29 into the internal recess within the Rear Seal Gland 16 and then install Rod Seal 28
behind the Rear Bearing Ring. Install the Wiper Seal 31 in the rear recess of the Rear Seal Gland. Refer to the General
Assembly to ensure the correct orientation of the Rod Seal and Wiper Seal.
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Clamp the tool handle in a vice with soft jaws so that the tool is pointing nose down.
All numbers in bold refer to the General Assembly and Parts List on pages 15, 16 and 17.
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Service Kit on page 11
E N G L I S H
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