Graco 24F561, Руководство по ремонту

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Troubleshooting
12 3A1181B
Motor runs and pump strokes
1. Prime Valve Open.
Close prime valve.
2. Paint supply.
Refill and reprime pump.
3. Intake strainer clogged.
Remove and clean, then reinstall.
4. Suction tube leaking air.
Tighten nut. Check o-ring on tube.
5. Intake valve ball and piston ball
are seating properly.
See Pump Manual 312362 . Strain
paint before using to remove parti-
cles that could clog pump.
6. Leaking around throat packing
nut which may indicate worn or
damaged packings.
See Pump Manual 312362 .
7. Pump rod damaged.
See Pump Manual 312362 .
Motor runs but pump does not
stroke
1. Displacement pump pin dam-
aged or missing.
Replace pump pin if missing. Be
sure retaining spring is fully in
groove all around connecting rod.
See
Displacement Pump
Replacement, page 13 .
2. Connecting rod assembly for
damage.
Replace connecting rod assembly.
See
Displacement Pump
Replacement, page 13 .
3. Gears or drive housing.
Inspect drive housing assembly and
gears for damage and replace if
necessary. See
Drive Housing
Replacement, page 15 .
Motor is hot and runs intermittently
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.
Move sprayer to shaded, cooler
area if possible.
2. Motor has burned windings indi-
cated by removing positive (red)
brush and seeing burned adja-
cent commutator bars.
Replace motor. See Motor
Replacement, page 27 .
3. Tightness of pump packing nut.
Overtightening tightens packings
on rod, restricts pump action and
damages packings.
Loosen packing nut. Check for leak-
ing around throat. Replace pump
packings if necessary. See
Pump
Manual 312362 .
Problem Cause Solution