Spray Head Seal Replacement - DeVilbiss GTI PRO LITE Operation Manual

Parts Replacement/
Maintenance

SPRAY HEAD SEAL REPLACEMENT

1. Remove air cap and retaining ring (6). (See fig 26).
2. Remove fluid adjusting knob (28), spring (25), and
spring pad (26). (See fig 27).
3. Remove fluid needle (24) from gun body. (See fig
28).
4. Remove fluid nozzle using 10mm Spanner (56)
(See fig 29).
5. Remove spray head (9) and Seal (10) (See fig 30).
6. Remove seal (10) from spray head. (See fig 31).
7. Clean front of gun if required, using a soft brush,
as well as the fluid nozzle, air cap, and retaining
ring.
8. Place a new seal (10) into the front of the gun,
making sure the flat of the seal is aligned to the flat
in the gun. (See fig 32).
9. Fit the spray head (9), making sure the pin is
engaged into the hole in the gunbody. (See fig 33).
10. Fit fluid nozzle (8), air cap and retaining Ring (6).
Torque the fluid nozzle to 18–20 Nm (160–180
lbs.in). Do not over torque the fluid nozzle. (See
figs 34, and 35)
11. Reassemble remaining parts in reverse order -
fluid needle (24), Needle spring and pad (29), and
fluid adjusting knob (28).
12. 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.
13. Trigger gun several times to verify correct
operation.
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