Maintenance; Dismantling Instructions; Assembling The Tool - avdel T30 Manual De Instrucciones

Máquina hidroeléctrica
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M a i n t e n a n c e
D i s m a n t l i n g I n s t r u c t i o n s
Uncouple the two hydraulic hoses 23 and disconnect the control cord 21.
Unscrew and remove the anvil by hand.
Unscrew the collet and remove the inner assembly by hand.
Loosen the Grub Screw 14 and Pad 13 using a 4 mm Allen Key.
Unscrew the Anvil Retainer 4.
Place a tray under tool to catch the oil.
If a hand pump (73010-00001) is available, connect to female coupling and slowly pump Piston 10 out of Cylinder 15.
Otherwise clamp the Piston 10 in a soft jawed vice and tap the Cylinder 15 backwards with a soft mallet.
Remove the Nylon/Brass Plug 2 by inserting a sharp object (eg. a small screwdriver) into the keyway and levering out the plug.
Unscrew the Collet Adaptor 1 the Nylon Plug will shear.
Remove the Gland 7.
Inspect and replace seals if necessary with Service Kit 25.
A s s e m b l i n g t h e To o l
Examine and replace all worn parts. Fit new 'O' Rings and Back-up Rings (Service Kit 25).
Apply hydraulic oil to all 'O' rings, back-up rings and contact surfaces before fitting.
Fit new Back-up Ring 8 and 'O' Ring 9 to the Gland 7.
Fit Back-up Ring 11 and 'O' Ring 12 to Piston 10.
Install the Piston 10 into the Cylinder 15.
Install the Gland 7.
Install the Anvil Retainer 4.
Re-clamp the Grubscrew 14 using a 4 mm Allen Key.
Refit the Collet Adaptor 1 by hand.
Align the hole with the Keyway.
Insert the Nylon/Brass Plug 2.
Bleed the Tool.
Item numbers in bold refer to the general assembly drawing and parts list on pages 10-11.
8
IMPORTANT
Be sure the HydraPac is turned off before removing tool or nose.

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