12. Fit Valve Seat to Gunbody.
15. Fit Seal to Housing (10).
18. Tighten Housing.
13. Remove Rear
irvalve Seal
from housing (10) with a
hooked instrument.
16. Replace Valve (11).
19. Fit Needle (9).
21.
djust Needle Packing (4)
with Spanner sufficient to
seal but to allow free move-
ment of needle. Lubricate
with gun oil.
SB-2-662-C
14. Fit new Seal to Service Tool.
17. Replace Valve Spring and
screw in Housing (10).
20. Fit Spring (8) and Knob (7).
Page 7