Replacing Air Valve - DeVillbiss TEKNA BASECOAT Boletín Técnico

SPRING PAD
GOES IN FIRST
8-11
TB-1018-R1 (2/2018)
8-1
8-3
8-5
8-7
GROOVES IN SEAL FIT INTO
SERVICE TOOL
8-9
8-2

Replacing Air Valve

Reasons to replace air valve:
A) Air leak through the gun.
B) Air valve not operating properly.
1. Remove trigger using a Star (T20) driver. (See
pictures 8-1 & 8-2)
2. Unscrew air valve using 14 mm wrench.
(See picture 8-3)
8-4
3. Remove air valve by gripping the stem.
(See picture 8-4)
4. Remove spring with spring pad.
(See picture 8-5)
5. Hook out rear seal using service tool.
(See pictures 8-6 & 8-7)
6. Clean air valve bores in gun body with
a soft brush.
7. Place new rear seal onto service tool; grooves
8-6
must fit in service tool form.
(See picture 8-8)
8. Push rear seal firmly into hole up
to shoulder, using service tool.
(See picture 8-9)
9. Insert new spring, ensuring the end
with the plastic bearing pad goes in first.
(See picture 8-5)
10. Insert air valve assembly into gun and carefully
8-8
feed through the rear seal and over the spring.
(See picture 8-10)
11. Tighten air valve assembly using fingers first,
then wrench tighten with 14 mm wrench.
(See pictures 8-11 & 8-3)
12. Replace trigger. (See pictures 8-2 & 8-1)
8-10
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EN
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