Installation
14
309457G
Connect the Waterborne Fluid
Hose
•
Always use a Graco waterborne fluid hose between
the voltage isolation system fluid outlet and the gun
fluid inlet. See page 56 for available Graco water-
borne hoses.
•
Before connecting the waterborne fluid hose to the
gun, blow it out with air and flush with water to
remove contaminants.
1.
Remove the air cap (3) and shroud (2). See page
41.
2.
For the fluid hose to seal properly, it must be
stripped and assembled to the dimensions shown in
F
. 6.. Push the inner tube (T) into the barrel fitting
(F) until the tube bottoms. A new Graco waterborne
fluid hose comes fully assembled to these dimen-
sions.
Fig. 6. Waterborne Hose Dimensions
3.
Inspect the o-ring (R) on the barrel fitting (F) of the
hose. Replace if worn or damaged. See F
IG
. 7..
4.
Lubricate the o-ring (R) on the barrel fitting (F) with
dielectric grease. Screw the fitting into the fluid inlet
of the gun barrel (9) and tighten.
5.
Unscrew the strain relief nut (N) from the hose fer-
rule (M) and slide the nut up the hose.
CAUTION
The Graco warranty is void if the spray gun is con-
nected to a non-Graco voltage isolation system or if
the gun is operated above 60 kV.
WARNING
Electric Shock Hazard
To reduce the risk of electric shock, install
only one continuous Graco waterborne
hose between the isolated fluid supply and
the gun. Do not splice hoses together.
CAUTION
Be careful not to cut into the inner tube (T) of the
hose when stripping the hose. Nicks or cuts in the
PTFE tube will cause premature hose failure.
A
9.75 in. (248 mm)
B
1.5 in. (38 mm)
TI1806A
F
T
A
B
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