Pneumatic Piston Assembly; Valve Spool Assembly; Trigger - Avdel Genesis G3 HD Betriebsanleitung

S e r v i c i n g t h e To o l
H e a d A s s e m b l y
Assemble in reverse order to dismantling noting the following points:
•
Place lip seal 8 onto the insertion rod* ensuring correct orientation. Push the guide tube* into the bore of the head assembly 4, push the
insertion rod* with lip seal 8 attached through the guide tube* to locate seal into recess. Withdraw insertion rod* and guide tube*.
•
The chamfered edge of seal retainer 26 must face towards lip seal 8 orientated with the 'gap' of the retainer towards the bottom of the
bore, in line with the hydraulic inlet port to the head bore.
•
After fitting lip seal 11 and 'O' ring 12 (2 off) onto the head piston 7 ensuring correct orientation, lubricate seals and cylinder bore.
Assemble piston sleeve* into the head assembly bore 4. Attach bullet* to thread of head piston 7. Push the piston fully through the
sleeve*. Remove the bullet* and the piston sleeve*.
•
Jaw spreader housing 1 must be fully tightened onto head piston 7 'trapping' vacuum sleeve 46 before tightening locknut 3 against it.
•
Use Loctite 932 when reassembling Retaining Nut 22.
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 55.
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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 72.
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Using the peg spanner* unscrew base cover 36.
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Unscrew locknuts 68 (2 off) and remove base plate 70.
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Remove liner 41 together with sealing washers 71 (2 off) and 'O' rings 69 (2 off).
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Remove pneumatic piston assembly 38 together with 'O' ring 35, lip seal 37 (3 off) and guide ring 31.
Assemble in reverse order.
Va l v e S p o o l A s s e m b l y
•
Remove pneumatic piston assembly 38 as above.
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Using the 'T' spanner* and 'T' spanner spigot* unscrew clamp nut 32 and remove it together with top plate 58, tie rods 39 and transfer
tube assembly 40.
•
Release the tool from the vice and separate body 34 from handle assembly 28.
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Remove 'O' ring 29 from intensifier tube and remove head assembly 4 from handle assembly 28.
•
Push out valve seat 59 together with both 'O' rings 64 (2 off).
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Remove all components of valve spool assembly 49.
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Remove 'O' ring 54 from handle recess.
Assemble in reverse order noting the following points -
•
Ensure valve seat is correctly orientated.
•
Use Loctite 243 when reassembling Clamp Nut 32, torque to 11ft lb (14.91 Nm).
Tr i g g e r
•
Using the 2 millimetre diameter pin punch*, drive trigger pin 44 out and lift off trigger 43.
•
Unscrew trigger valve 42 using the trigger valve extractor*.
Assemble in reverse order to dismantling.
Priming is ALWAYS necessary after the too has been dismantled and prior to operating.
* Item included in the G3 service kit. For complete list see page 19.
Item numbers in bold refer to the General Assembly drawing and parts list on pages 22-23.
20
I M P O R T A N T
Check the tool against daily and weekly servicing