Avdel nG2S 71401, Instruction Manual

Page: 22 / 36

R o t a r y Va l v e
22
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 40 out and remove Trigger Assembly 39 .
•
Disconnect Hose Assembly 35 and remove Nut 32 .
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Seperate Head Assembly 6 from Handle 29 . NOTE ORIENTATION OF ROTARY VALVE 48 .
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Push out Rotary Valve 48 together with ‘O’ Rings 49 .
Assemble in reverse order to Dismantling Instructions noting the following:
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Seals should be checked for damage and replaced if necessary, lubricated with Molykote ® 55m grease.
•
Ensure Rotary Valve 48 is assembled in correct orientation to align valve pins with forks on the Trigger Assembly 39 .
See illustration below.
Item numbers in bold refer to the General Assembly drawing and Parts List on pages 26 and 27.
Tr i g g e r
Dismantling
•
Using a 4mm pin punch (07900-00158) drive Trigger Pin 40 out and remove Trigger Assembly 39 .
•
Unscrew Trigger Valve 38 using trigger valve extractor (0900-00692).
Assemble in reverse order to Dismantling Instructions noting the following:
•
When assembling Trigger 39 the trigger forks locate on the pins each side of the Rotary Valve 48 .
•
Ensure Rotary Valve 48 is orientated correctly. See illustration below.
48
39