Avdel Genesis nG2 Betriebsanleitung Seite 52

S e r v i c i n g t h e To o l
D i s m a n t l i n g t h e To o l
Before dismantling the tool the oil must be emptied from it.
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With the air supply switched OFF at ON/OFF Valve Assembly 62 remove Bleed Screw 1 and Bonded Seal 6.
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Insert tool over a suitable container, switch air supply ON and actuate tool.
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Oil will expel from bleed screw orifice into container.
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Switch air supply OFF after all oil is expelled.
Ensure the bleed screw orifice is facing away from the person performing this operation.
H e a d A s s e m b l y
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Twist and pull off Stem Collector Bottle Assembly 25. See illustration on page 7.
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Remove Stop Plate Assembly 104 by unscrewing Screws 89 2 off.
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Unscrew Retaining Nut 50.
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Pull off Bottle Adaptor Assembly 32 together with 'O' Rings 20 and 28.
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Remove End Cap Assembly 35 together with 'O' Ring 97 and Lip Seal 9.
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Remove Spring 91.
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Loosen Locknut 40 with a spanner* and unscrew Male 'T' Adaptor 41 together with 'O' Ring 12.
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Withdraw Vacuum Sleeve 42.
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Remove Locknut 40 together with 'O' Rings 19 and 15.
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Push Head Piston 36 to the rear and out of Head Assembly 58 taking care not to damage the cylinder bore.
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Using circlip pliers* remove Seal Retainer 43. Push Lip Seal 8 and Bearing Tape 26 to the rear and out of Head Assembly 58 taking
care not to damage the cylinder bore.
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Remove Seal Housing 52 and Lip Seal 2.
Assemble in reverse order noting the following points:
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Place Lip Seal 8 onto the insertion rod* ensuring correct orientation. Locate the guide tube* into the head of the tool and push the
insertion rod* with the seal in place through the guide tube*. Pull the insertion rod* out and then the guide tube*.
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The chamfered edge of Seal Retainer 43 must face forward with the gap at the bottom.
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After fitting Lip Seals 11, 10, 'O' Ring 18 and Bearing Tape 27 onto the Head Piston 36 ensuring correct orientation, lubricate the
cylinder bore and place the piston sleeve* into the back of Head Assembly 58. Slide the bullet* onto the threaded part of Head Piston
36 and push the piston with the seals through the piston sleeve* as far as it will go. Slide the bullet* off the piston and remove piston
sleeve*.
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Male 'T' Adaptor 41 must be fully tightened onto Head Piston 36 before tightening Locknut 40 against it.
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Reprime in accordance with the instructions on page 27.
* Item included in the nG2 Service Kit. For complete list see page 19.
Item numbers in bold refer to the general assembly drawing and parts list on pages 24 and 25.
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