Troubleshooting - Graco TexSpray 1030 FC Repair Manual

WARNING
To reduce risk of injury due to sprayer starting
unexpectedly, shut off engine before performing
checks or service.
Check everything in chart before disassembling sprayer.
PROBLEM
Engine does not start
Engine operates, but
displacement pump does not

Troubleshooting

CAUSE
Engine switch not ON
Out of gas
Spark plug cable disconnected or
spark plug damaged
Oil seepage into combustion
chamber
Oil level low
Flow control set to OFF
Air compressor not on or insufficient
air flow from compressor
Air pressure set to low
Sprayer engine RPM too low
Clutch connector into back of circuit
board is loose.
Air filter dirty
Air flow sensor dirty or damaged
Air transducer failed
Fluid transducer failed
Clutch not engaging
Displacement pump rod seized by
dry coating
SOLUTION
Turn engine switch ON
Fill gas tank
Connect spark plug cable or replace
spark plug
Remove spark plug. Pull starter rope 3 or
4 times. Clean and install spark plug. Try
to start. Keep sprayer upright and do not
overfill engine crankcase to avoid oil
seepage.
Add oil to engine crankcase
Set flow control to PRIME mode or LOW/
MED/HIGH while triggering gun
Start air compressor
Increase SCFM or compressor size.
Check air passages and tips for obstruc-
tions.
Check air filter element for clogs.
Check display for air pressure. System
requires a minimum of 40 psi (0.28 MPa,
2.8 bar) to operate. Increase pressure by
adjusting air control knob.
Increase engine speed
Check and ensure a tight connection.
Clean or replace filter element.
Check air filter.
Clean air flow sensor (see page 4) or re-
place as needed.
Check display for correct air pressure
reading. Replace circuit board as need-
ed.
Check connection at circuit board.
Replace fluid transducer.
Worn or damaged clutch. See page 18.
Fluid transducer failure. Air transducer
failure.
Service pump. See page 10.
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