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12. Fit Valve Seat to Gunbody.
15. Fit Seal to Housing (10).
18. Tighten Housing.
13.Remove Rear Airvalve Seal from housing (10) with a hooked instrument.
16. Replace Valve (11).
19. Fit Needle (9).
14. Fit new Seal to Service Tool.
17.Replace Valve Spring and screw in Housing (10).
20. Fit Spring (8) and Knob (7).
21.Adjust Needle Packing (4) with Spanner sufficient to seal but to allow free move- ment of needle. Lubricate with gun oil.
