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Problem
Motor runs and pump strokes 1.
Motor runs but pump does not
stroke
Motor is hot and runs
intermittently
Low air output at gun
Low air output at gun
Air compressor does not run
Poor air spray pattern
Water in pattern
333119D
What To Check
(If check is OK, go to next check)
Prime Valve is open or leaking.
2.
Paint supply.
3.
Intake strainer clogged.
4.
Suction tube leaking air.
Intake valve ball and outlet ball are
5.
seating properly not worn.
6.
Leaking around throat packing
nut which may indicate worn
or damaged packings.
7.
Pump rod damaged.
8.
Gears or drive housing.
1.
Be sure ambient temperature
where sprayer is located is not
more than 115°F (46°C) and
sprayer is not located in direct sun.
2.
Motor has burned windings
indicated by removing positive (red)
brush and seeing burned adjacent
commutator bars.
1.
Air valves at gun may be closed.
2.
Air connections may be loose.
3.
Damaged (leaking) air supply hose. Replace air supply hose.
4.
Air intake filter clogged.
1.
Power/function selector switch
2.
Voltage to compressor below 105
Vac for 110 - 120 Vac models or
below 210 Vac for 240 Vac models
3.
Loose power connections
4.
Excessive head pressure
(compressor hums)
5.
Excessive head pressure
(compressor hums)
6.
Fuse. Check replaceable fuse
on compressor control board.
7.
Compressor thermal switch is
open. Ensure ambient temperature
is below 115 °F (46 °C).
8.
Low compressor performance.
1.
Air cap or air manifold air ports
clogged.
2.
Air cap worn.
3.
Worn spray tip.
1.
Water in air line.
基本故障排除
Basic Troubleshooting /
What To Do
(When check is not OK, refer to this column)
Close or replace Prime Valve, page 62.
Refill and reprime pump.
Remove and clean, then reinstall.
Tighten nut. Check o-rings on swivel tube.
Clean and repair pump, page 60. Strain paint before
using to remove particles that could clog pump.
Replace Pump and Packing module, page 62.
Replace Pump and Packing module, page 62.
Inspect Drive Housing Assembly and gears
for damage and replace if necessary, page 62.
Move sprayer to shaded, cooler area if possible.
Replace Motor, page 36.
Turn air adjustment valve counter-clockwise to open.
Slide air ON/OFF up to open.
Check all connections for leaking air.
Clean or replace air intake filter.
Set function selector switch to ON; replace switch.
Try another outlet. Reduce extension cord length
or increase extension cord gauge.
Verify all connections are firm.
Moisture frozen in air supply line.
Wait for air pressure to bleed to zero.
Replace fuse after completing motor inspection,
page 65.
Move sprayer to shaded, cooler area.
Worn compressor; repair compressor with
Compressor Service Kit, page 65.
Soak in solvent to clean.
Replace air cap.
Relieve pressure, page 19. Replace tip. Refer to gun
instruction manual, 313347.
Add Water Separator Kit 257824 to air line.
기본적인 문제 해결
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