Graco Edge 256855, Руководство по ремонту

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Troubleshooting
10 313317H
No or slow fluid flow, intermit-
tent spray, or fluttering spray Wrong size fluid set being used Select proper fluid set for fluid being sprayed,
page 6
Gun fluid nozzle blocked by dried
paint or damaged Clean or replace fluid nozzle
Cup or pressure pot cover not tight
enough or gasket damaged Tighten cover or replace gasket
Cup or pressure pot fluid tubes
blocked by dried paint or damaged Clean or replace fluid tubes
Air flow to cup blocked 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.
Needle packings not properly
adjusted.
Note: Fluid loss through packings
affects fluid pressure and causes a
fluid leak from gun body.
Clean gun body with solvent and brush pro-
vided. Adjust needle packings.
Plugged inlet strainer Replace strainer if plugged or remove strainer if
material is high viscous.
Fluid leaks at fluid nozzle
after trigger is released Needle not seating in fluid nozzle Check for a loose fluid nozzle or a bent nozzle
or needle; tighten nozzle or replace parts as
needed.
Poor spray pattern Air cap horn hole and/or fluid nozzle
plugged Soak air cap and/or fluid nozzle in solvent.
Clean air cap horn holes with non-metallic item
to avoid permanently damaging them.
Problem Cause Solution