Avdel 71204 Originalbetriebsanleitung Seite 54

S e r v i c i n g t h e To o l
P n e u m a t i c P i s t o n A s s e m b l y
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Remove 'ON/OFF' Valve Assembly 53.
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Clamp the body of the inverted tool ACROSS THE AIR INLET BOSSES in a vice fitted with soft jaws.
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Pull off Rubber Boot 28.
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Using the peg spanner* unscrew Base Cover 30.
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Remove Cylinder Liner 36.
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Remove Pneumatic Piston Assembly 49 together with 'O' Ring 57, Lip Seal 56 and Guide Ring 58.
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Engage the Seal Extractor* into Intensifier Seal Assembly 54 and withdraw Seal Assembly from intensifier tube of the Head Assembly 50.
Assemble in reverse order to dismantling.
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Seals should be checked for damage and replaced as necessary. Lubricate pneumatic seals with Molykote
Molykote ® 111.
A i r Va l v e
Dismantling
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Remove Pneumatic Piston Assembly 49 as described above in Pneumatic Piston Assembly.
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Using Spanner (07900-00672), and Location Spigot Assembly (07900-00706). Unscrew Clamp Nut 38 and remove together with Clamp
Plate 43 together with Transfer Tube Assembly 52, Valve Rod Assembly 55 and 'O' Rings 13.
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Remove tool from vice and separate Body 29 from Handle Assembly 70. Remove 'O' Ring 16.
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Push out the Valve Seat 33, from the Body 29, together with 'O' Rings 13.
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Pull out Valve Spool Assembly 51 from Handle Assembly 70. Remove 'O' Ring 6 from handle counterbore.
Assembly
Assemble in reverse order to Dismantling Instructions
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Seals should be checked for damage and replaced if necessary, lubricated with Molykote
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®
Apply Loctite 243 to Clamp Nut 38 and tighten to torque 11ftlb (14.91 Nm)
Priming is ALWAYS necessary after the tool has been dismantled and prior to operating.
* Item included in the Service Kit. For complete list see page 20.
Item numbers in bold refer to the general assembly drawing and parts list on pages 24 and 25.
22
I M P O R T A N T
Check the tool against daily and weekly servicing.
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55m and hydraulic seals with
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55m grease.