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Page 5SB-2-540
1. Remove Adjusting Knob (7),
Spring (8), and Needle (9).
2. Loosen Housing (10). 3. Remove Housing (10) and
Airvalve Spring.
4. Remove Valve (11). 5. Using Service Tool SPN-7,
engage groove behind the
Valve Seat.
6. Remove Valve Seat.
7. Push out the Front Airvalve
Seal with a finger.
8. Turn the Gun upside down
and let the Seal fall out.
9. Fit New Front Seal to Service
Tool.
10. Fit new Seal to gunbody and
press firmly to ensure Seal is
engaged.
11. Fit New Valve Seat to
Service Tool. Groove must
face outwards.