Graco HVLP EDGE II/EDGE II Plus Gun Operation - Repair - Parts page 5

Problem
FlexLiner System:
FlexLiner does not collapse
or collapses slowly
Fluid leaking between cup
and ring
Fluid leaking between cup
and gun
Fluid present at bottom of cup FlexLiner not installed
Pulsing spray pattern
3A4980B
Cause
Dirty sealing surfaces
Incorrect or no air cap installed
on gun
Air cap is loose
Air Control/Artisan Valve (if
installed) is set too low for
desired application
Gun tubing
Air leaking from cup
Cup filled too full
Dirty sealing surfaces
Loose cup connection
Damaged o-ring on cup
connection
Damaged FlexLiner
Air not fully evacuated from
FlexLiner System.
Troubleshooting
Solution
Remove ring, clean sealing surfaces,
securely install ring. See Fill
FlexLiner System, page 12.
Verify Edge II air cap is installed.
Edge II: Verify retaining ring is fully
installed.
Edge II Plus: Verify retaining ring is
installed to a position that does not
result in a loose air cap.
Rotate control clockwise to increase
air flow, until the desired flow is
achieved.
Verify gun tubing is properly
connected between the cup and gun.
Verify gun tubing is not kinked.
Damaged tubing. Remove damaged
section of tubing. Replace tubing as
necessary. See separate HVLP
Edge II gun manual.
Damaged connection between cup
and air fitting. Verify fitting is fully
installed. If necessary, replace
FlexLiner System. See separate
HVLP Edge II gun manual.
Verify cup is not filled above "MAX
FILL" line.
Remove ring, clean sealing surfaces,
securely install ring. See Fill
FlexLiner System, page 12.
Tighten connection. Use wrench as
needed.
Replace o-ring. Apply grease to
o-ring to aid in assembly.
Install FlexLiner.
Replace FlexLiner.
See step 7 of Startup, page 12.
27