TB-1022
8
Servicing Air Valve
(continued)
8. Withdraw the valve seat (19) from the gun
body. (See g 10).
9. Push out the front airvalve seal (18) with a
nger. (See g 11).
10. Turn the gun upside down and let the seal fall
out. (See g 12).
11. Fit new front seal (18) to service tool (44). Fit
into gunbody and press rmly to ensure seal is
engaged. (See g 13).
12. Fit a new valve seat (19) to service tool (44).
Groove must face outwards. (See g 14).
13. Fit valve seat (19) to gunbody. (See g 15)
14. Remove rear airvalve seal (22) from housing
(27) with a hooked instrument.(See g 16).
15. Fit new seal(22) to service tool (44). Groove
must face outwards. Press seal (22) to housing
(27). (See g 17)
16. Reassemble remaining parts in reverse
order — valve (20), spring (21), housing (27)
and tighten with 6mm hex key, needle (24)
spring (29) and knob (28). Replace trigger
(39), tting trigger stud (40), screw in the
trigger screw (38) with Star T20 tool.
17. Trigger gun fully and screw in uid adjusting
knob (28) until it stops. Back it off 1/2 turn
and gun will have full needle travel.
18. Trigger gun several times to verify correct
operation.
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