Spray Head Seal Replacement - DeVilbiss TEKNA PROLITE 703536 Fiche Technique

TB-1014-B
10
Parts Replacement/
Maintenance
SPRAY HEAD SEAL
REPLACEMENT
1. Remove air cap and retaining ring (6).
(See fig 29).
2. Remove fluid adjusting knob (28), spring (25),
and spring pad (26). (See fig 4, p7).
3. Remove fluid needle (24) from gun body. (See
fig 5, p7).
4. Remove fluid nozzle using a 10mm wrench.
(See fig 30).
5. Remove spray head (9) and seal (10)
(See fig 31).
6. Remove seal (10) from spray head.
(See fig 32).
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 33).
9. Fit the spray head (9), making sure the pin is
engaged into the hole in the gunbody.
(See fig 31).
10. Fit fluid nozzle (8), air cap and retaining Ring
(6). Torque the fluid nozzle to 18–20 Nm
(13–15 ft-lbs). Do not over torque the fluid
nozzle. (See figs 30, and 29)
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.