Graco 258870 Manual page 21

Troubleshooting
Problem
Sprayer sprays with poor results
Paint leaks from sprayer trigger area. Sprayer has reached its maximum
Spray Pattern Diagnostics
Problem
Spray pattern is pulsating:
Spray pattern has tails:
3A0159A
Tip is partially clogged
Tip is not in correct position
Incorrect tip for application of
material.
Tip filter is partially clogged
Suction Tube screen is partially
clogged.
Fine Finish Optimizer is partially
clogged.
Fine Finish Optimizer is installed
while using an incompatible material.
Tip is worn or damaged
Inlet or Outlet Valves are worn.
Sprayer is pulsating while spraying
water.
life.
Cause
The Fine-Finish Optimizer is installed
while using thick material.
Operator is moving too fast while
spraying.
ti15524a
Fine Finish Optimizer is installed while
using an incompatible material.
Fine Finish Optimizer is partially
clogged.
ti15526a
Material not compatible with sprayer.
Inlet or Outlet Valves are worn.
Cause
See Unclogging Tip/Guard
Assembly, page 15.
Rotate tip to SPRAY position.
See Reversible Tip Selection
Chart, page 13.
Clean or replace Suction Tube. See
page 16.
Clean or replace Fine Finish Opti-
mizer. See page 10.
Make sure compatible material is
being used. See Reversible Tip
Selection Chart, page 13.
Replace tip. See Install Tip/Guard
Assembly, page 13.
Replace sprayer.
Fine-Finish Optimizer is not installed.
See page 10.
Replace sprayer.
Make sure material and tip are compati-
ble. See Reversible Tip Selection Chart,
page 13.
Slow speed of movement.
Make sure compatible material is being
used. See Reversible Tip Selection
Chart, page 13.
Clean or replace Fine Finish Optimizer.
See page 10.
Switch material.
Replace sprayer.
Solution
Clean or replace filter. See page 15.
Solution
21