Graco 333013B, Инструкция - Каталог запасных частей

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Troubleshooting
333013B 35
Gun Operation Troubleshooting
Problem Cause Solution
Excessive spray fog. Atomizing air pressure too high. Decrease air pressure (A1) as low as
possible
Fluid too thin. Increase viscosity or increase fluid
flow rate.
“Orange Peel” finish. Atomization air pressure too low. Increase air pressure; use lowest
pressure necessary.
Spray tip is too large. Use smaller tip; see Spray Tip
Selection Chart ., page 59.
Poorly mixed or filtered fluid. Remix or re-filter fluid.
Fluid too thick. Reduce viscosity.
Fluid leaks from the fluid packing
area Worn fluid needle packings or rod. Replace fluid needle assembly (2);
see
Fluid Needle Replacement ,
page 40.
Air leaks from the air cap Worn piston stem o-rings (11e, 11f) Replace, see Piston Repair , page
41.
Fluid leakage from the front of the
gun Worn or damaged fluid needle ball. See Fluid Needle Replacement ,
page 40
Worn fluid seat housing. Replace; see Air Cap/Tip Guard,
Spray Tip, and Fluid Seat Housing
Replacement
page 39.
Loose spray tip. Tighten retaining ring (24); see Air
Cap/Tip Guard, Spray Tip, and
Fluid Seat Housing Replacement
page 39.
Damaged tip seal (3a). Replace; see Air Cap/Tip Guard,
Spray Tip, and Fluid Seat Housing
Replacement
page 39.