Troubleshooting

 

 

 

Problem

Cause

Solution

 

 

 

 

 

 

Sprayer makes sound but no

Sprayer is not primed.

Prime the pump. See Starting a New

material is sprayed when trigger

 

Job (or Refilling the Material Cup),

is pulled

 

page 11.

 

 

Use pump access armor storage/startup

 

 

tool to clear pump of debris. See Stor-

 

 

age, page 17.

 

 

Clean air vent holes or the air vent valve

 

 

as your model is equipped. See Shut-

 

 

down and Cleaning, page 15.

 

Prime/spray valve is in UP position.

Put prime/spray valve DOWN to spray

 

 

position.

 

 

 

 

Flexible suction tube is missing or

Make sure Flexible Suction Tube is

 

improperly installed.

properly installed, page 9.

 

Flexible suction tube strainer or air

See Shutdown and Cleaning, page 15.

 

vent valve or vent holes are clogged.

 

 

Flexible suction tube o-rings are

Replace flexible suction tube o-rings.

 

damaged or missing.

 

 

 

 

 

Flexible suction tube is damaged.

Replace flexible suction tube.

 

 

 

 

Spray tip is not in SPRAY position.

Turn spray tip to SPRAY position.

 

 

 

 

Spray tip is clogged.

See Unclogging Spray Tip/Guard

 

 

Assembly, page 14.

 

Spray tip filter is clogged.

Remove and clean Spray tip filter. See

 

 

Unclogging Spray Tip/Guard Assem-

 

 

bly, page 14.

 

Pressure control knob is too low.

Turn pressure control knob up.

 

 

 

 

Sprayer has been tilted too far and

Make sure material cup is filled with

 

flexible suction tube has lost contact

material. Rotate flexible suction tube,

 

with material.

page 9. Do not tilt the material cup too

 

 

far. Prime the pump. See Starting a

 

 

new Job (or Refilling the Material

 

 

Cup), page 11.

 

No or low material in material cup.

Refill material cup with material and

 

 

prime the pump.

 

 

 

 

Inlet valve fitting is stuck from

Use pump access armor storage/startup

 

material residue left in sprayer.

tool to clear pump of debris. See Stor-

 

 

age, page 17. If unsuccessful, see Inlet

 

 

Valve Fitting Removal/Service, page

 

 

25.

 

Pump is clogged, frozen, or has

See Outlet Valve Fitting Repair, page

 

debris inside.

26 and Inlet Valve Fitting

 

 

Removal/Service, page 25.

 

Material is leaking from hole in front

Replace needle assembly.

 

of sprayer.

 

 

 

 

28

3A2589D

Page 28
Image 28
Graco 3A2589D Job or Refilling the Material Cup, Down and Cleaning, Make sure Flexible Suction Tube is, Removal/Service