Technical Data - Graco EDGE 257827 Important Safety Instructions Manual

Problem
No or slow fluid flow, intermit-
tent spray, or fluttering spray
Fluid leaks at fluid nozzle
after trigger is released
Poor spray pattern
Maximum inlet fluid pressure
Maximum inlet air pressure
Air inlet
Fluid inlet
Sound levels per ISO 3744
Sound power level
Sound pressure level
Wetted parts
Bare spray gun
Spray gun cups
1-quart optional remote cup
6
Cause
Wrong size fluid set being used
Gun fluid nozzle blocked by dried
paint or damaged
Cup or pressure pot cover not tight
enough or gasket damaged
Cup or pressure pot fluid tubes
blocked by dried paint or damaged
Air flow to cup blocked
Needle packings not properly
adjusted.
Note: Fluid loss through packings
affects fluid pressure and causes a
fluid leak from gun body.
Plugged inlet strainer
Needle not seating in fluid nozzle
Air cap horn hole and/or fluid nozzle
plugged

Technical Data

Select proper fluid set for fluid being sprayed,
page 4
Clean or replace fluid nozzle
Tighten cover or replace gasket
Clean or replace fluid tubes
To check, remove cup (leave cover connected).
Trigger gun and check air flow out of check
valve. If air is not flowing freely, clean or replace
check valve.
Clean gun body with solvent and brush pro-
vided. Adjust needle packings.
Replace strainer if plugged or remove strainer if
material is high viscous.
Check for a loose fluid nozzle or a bent nozzle
or needle; tighten nozzle or replace parts as
needed.
Soak air cap and/or fluid nozzle in solvent.
Clean air cap horn holes with non-metallic item
to avoid permanently damaging them.
50 psi (0.35 MPa, 3.5 bar)
10 psi (0.07 MPa, 0.7 bar)
Quick-disconnect
3/8 nps
less than 65.0 dB(A)
less than 65.0 dB(A)
stainless steel, aluminum
aluminum, polyethylene
aluminum, polyethylene
Technical Data
Solution
313754C