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Install the Gun on the Manifold
See F
20.
IGURE
1. Make sure the five o-rings (18) are in place on the
gun. Inspect the parts for damage and replace them
as needed.
2. Secure the gun to the manifold by tightening the two
screws (21).
3. Reconnect the fluid hose to the manifold.
Air Cap/Tip Guard, Spray Tip,
and Fluid Seat Housing
Replacement
1. See Prepare the Gun for Service, page 28.
2. Remove the retaining ring (24), shroud (26) and air
cap/tip guard assembly (25).
F
. 21 Remove Air Cap
IG
3. Remove shroud (26).
4. Disassemble the air cap assembly. Check the con-
dition of the u-cup (24a), o-ring (25b), and tip gasket
(3a). Replace any damaged parts.
3
40b
25a
F
. 22 Disassemble Air Cap Assembly
IG
F
. 23 Tip Gasket
IG
333011D
26
25
24
25
24a
24
3a
5. To replace the electrode (25a), see Electrode
Replacement, page 30.
The conductive ring (33) is a conductive metal
contact ring, not a sealing o-ring. To reduce the risk
of fire, explosion, or electric shock:
• Do not remove the conductive ring except to
replace it.
• Never operate the gun without the conductive ring
in place.
• Do not replace the conductive ring with anything
but a genuine Graco part.
6. Remove the fluid seat housing (4) using the
multi-tool (48).
48
F
. 24 Seat Housing Replacement
IG
NOTICE
To avoid damaging the seat housing and gun bar-
rel, never over tighten the seat housing. Over tight-
ening may affect the fluid shutoff.
7. Install the fluid seat housing (4). Tighten until snug,
then 1/4 turn more.
8. Check that the spray tip gasket (3a) is in place.
Align the spray tip tab with the groove in the air cap
(25). Install the spray tip (3) in the air cap.
9. Make sure that the electrode (25a) is installed cor-
rectly in the air cap.
10. Check that the air cap o-ring (25b) is in place.
11. Check that the u-cup (24a) is in place on the retain-
ing ring (24). The lips of the u-cup must face for-
ward.
Repair
29
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Table of Contents
Troubleshooting
