DeVilbiss TEKNA Pro Lite PRO-470 Fiche Technique page 8

TB-1020
8
Servicing Air Valve
(continued)
8. Withdraw the valve seat (19) from the gun
body. (See fig 10).
9. Push out the front airvalve seal (18) with a
finger. (See fig 11).
10. Turn the gun upside down and let the seal fall
out. (See fig 12).
11. Fit new front seal (18) to service tool (44). Fit
into gunbody and press firmly to ensure seal
is engaged. (See fig 13).
12. Fit a new valve seat (19) to service tool (44).
Groove must face outwards. (See fig 14).
13. Fit valve seat (19) to gunbody. (See fig 15)
14. Remove rear airvalve seal (22) from housing
(27) with a hooked instrument.(See fig 16).
15. Fit new seal(22) to service tool (44). Groove
must face outwards. Press seal (22) to
housing (27). (See fig 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), fitting trigger stud (40), screw in the
trigger screw (38) with Star T20 tool.
17. Trigger gun fully and screw in fluid 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.