Avdel Genesis nG4, Instruction Manual

Page: 21 / 120

21
S e r v i c i n g t h e To o l
Dismantling
•
Using a 4mm pin punch (07900-00158) drive Trigger Pin 46 out and remove Trigger Assembly 33.
•
Remove Pneumatic Piston Assembly 57 as described in Pneumatic Piston Assembly, see page 20.
•
Using Spanner (07900-00672), and Location Spigot (07900-00671), unscrew Clamp Nut 39 and remove together with Top Plate
Assembly 44 together with Tie Rods 56 , Transfer Tube Assembly 61 , seperate Body 30 from Handle Assembly 64 . Remove ‘O’
Rings 16 and 17 NOTE ORIENTATION OF ROTARY VALVE 38 .
•
Seperate Head Assembly 58 from Handle Assembly 64 . NOTE ORIENTATION OF ROTARY VALVE 38
•
Push out Rotary Valve 38 together with ‘O’ Rings 5 .
Assemble in reverse order to Dismantling Instructions noting the following:
•
Seals should be checked for damage and replaced if necessary, lubricated with Molykote
®
55m grease.
•
Ensure Rotary Valve 38 is assembled in correct orientation, align pins with forks on the Trigger 33 .
See illustration below.
R o t a r y Va l v e
Dismantling
•
Using a 4mm pin punch (07900-00158) drive Trigger Pin 46 out and remove Trigger Assembly 33.
•
Unscrew Trigger Valve 21 using trigger valve extractor (0900-00692).
Assemble in reverse order to Dismantling Instructions noting the following:
•
When assembling Trigger 33 the trigger forks locate on the pins each side of the Rotary Valve 38 .
•
Ensure Rotary Valve 38 is orientated correctly. See illustration below.
Tr i g g e r
38
33
Item numbers in bold refer to the general assembly drawing and parts list on pages 24 and 25.
E n g l i s h