Graco LINE LAZER A Series User Manual

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Troubleshooting
WARNING
To reduce the risk of serious bodily injury , always fol -
low the Pressure Relief Procedure W arning on
page
4 before repairing the sprayer .
Check everything in the chart before disassembling the sprayer . (Continued on page 25.)
PROBLEM CAUSE SOLUTION
Engine/sprayer won’t start Engine switch not on T urn on engine switch.
Out of gas Refill gas tank.
Engine oil level low Try starting engine. If light on rear of engine
glows,
replenish oil.
Spark plug cable disconnected or
spark plug damaged
Connect cable on top of engine or replace spark
plug.
Water frozen in pressure control Return pressure control to authorized Graco
dealer
for repair .
Engine won’t “fire” Oil seepage into combustion
chamber
Remove spark plug. Pull starter rope 3 or 4 times.
Clean and replace plug. T ry to start. Keep spray -
er
upright to avoid oil seepage.
Engine operates, but displacement
pump doesn’t
Pressure control switch turned OFF T urn on pressure control switch.
Pressure setting too low Increase pressure.
Displacement pump outlet filter dirty Clean filter .
T ip or tip filter clogged Clean tip or tip filter .
Displacement pump rod seized by
dry paint
Service pump. See page 28.
Connecting rod worn or damaged Replace connecting rod. See page 30.
Drive housing worn or damaged Replace drive housing. See page 31.
Electrical power not energizing field Check wiring connections. See page 36.
With pressure control switch ON and pressure
turned to MAXIMUM, use a test light to check
continuity across black and white wires from
pressure
control.
Have pressure control checked by authorized
Graco
dealer .
Clutch worn or damaged Service clutch. See page 34.
Pinion assembly worn or damaged Service pinion assembly . See page 32.
Engine starts but dies Oil level drops below oil sensor Add oil.
Displacement pump output low on
upstroke
Pump inlet screen clogged Clean screen.
Piston ball check not seating Service piston ball check. See page 26.
Piston packings worn or damaged Replace packings. See page 26.
Sleeve gasket in displacement pump
worn or damaged
Replace sleeve gasket. See page 26.

Graco LINE LAZER A Series Specifications

General

Brand	Graco
Model	LINE LAZER A Series
Category	Paint Sprayer
Language	English