Graco 16N664 Operation - Repair - Parts page 28

Problem
Spray pattern has tails:
ti15526a
Spray pattern has dripping:
Spray pattern is too narrow:
ti15523a
Spray pattern is too wide:
ti15527a
ti15527a
Spray pattern "spits" at the
end or beginning:
ti15525a ti15525a
28
Cause
Pressure control knob is too low.
Incorrect spray tip for application of
material.
Material not compatible with sprayer.
Inlet or outlet valve fitting is worn.
Sprayer is moving too slow for material.
Sprayer is too close to target surface.
Holding trigger while changing spray
direction.
Incorrect spray tip for application of
material.
Pressure control knob is set too high.
Spray tip is worn or damaged.
Sprayer is too close to target surface.
Incorrect spray tip for application of material. See Choosing the Correct Tip, page 12.
Spray tip is worn or damaged.
ti15523a
Sprayer is too far away from target surface.
Incorrect spray tip for application of material. See Choosing the Correct Tip, page 12.
Excess material has accumulated on
spray/tip guard assembly.
Spray tip filter is partially clogged or dam
aged.
Spray tip/guard assembly not threaded com
pletely onto sprayer.
Seat is worn.
Solution
Turn up pressure control knob.
See Choosing the Correct Tip, page 12.
Switch to compatible material.
See Outlet Valve Fitting Repair, page 23 and
Inlet Valve Fitting Removal/Service, page
22.
Move sprayer faster while spraying.
Move sprayer away from surface 10 in. (25
cm)
Release trigger when changing directions.
See Choosing the Correct Tip, page 12.
Turn down pressure control knob.
Replace spray tip. See Install Spray
Tip/Guard Assembly, page 13.
Move sprayer away from surface 10 in. (25
cm)
Replace spray tip. See Install Spray
Tip/Guard Assembly, page 13.
Move sprayer closer to surface.
See Shutdown and Cleaning, page 15.
Clean or replace filter. See page 14.
See Install Spray Tip/Guard Assembly,
page 13.
Replace spray tip/guard assembly.
Troubleshooting
3A2853C