Graco Inc 261820 specifications Read Pump does not prime section, ProX7 and ProX9 Only

Page 13

Basic Troubleshooting

Problem

Cause

Solution

 

 

 

 

 

 

Pump cycles but does not build up

Prime/Spray valve in PRIME position

Turn Prime/Spray valve to SPRAY

pressure.

(pointing down).

position (pointing forward).

 

 

 

 

Pump is not primed.

Prime pump, see Operation manual

 

 

312001.

 

 

 

 

Inlet screen is clogged or suction

Clean debris off inlet screen and

 

tube is not immersed.

make sure suction tube is immersed

 

 

in fluid.

 

 

 

 

Suction tube is leaking.

Check suction tube for cracks and

 

 

cuts. Make sure suction tube clamp is

 

 

on hose. Replace suction tube if

 

 

cracked or damaged.

 

 

 

 

Prime/Spray Valve is worn or

Take sprayer to Graco/MAGNUM

 

obstructed with debris.

authorized service center.

 

 

 

 

Pump check ball is stuck.

Read Pump does not prime section

 

 

in Troubleshooting, page 12.

 

 

 

Pump cycles, but paint only dribbles

Pressure is set too low.

Slowly turn pressure control knob

or spurts when spray gun is trig-

 

clockwise to increase pressure set-

gered.

 

ting which will turn motor on to build

 

 

pressure.

 

 

 

 

Spray tip is clogged.

Unclog spray tip, see Operation man-

 

 

ual 312001.

 

 

 

 

InstaClean fluid filter is clogged.

Clean or replace InstaClean fluid fil-

 

(ProX7 and ProX9 Only)

ter, see Operation manual 312001.

 

 

 

 

Spray gun fluid filter is clogged.

Clean or replace gun fluid filter, see

 

 

Operation manual 312001.

 

 

 

 

Spray tip is too large or worn.

Replace tip.

 

 

 

312667B

13

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Contents US Patent 6,752,067 European Patent 1 208 Korean Patent ProX9 Airless Sprayers 312667BRelated Manual Getting Started SpecificationsFold-n-StoreCart ProX Sprayers Only Grounding Instructions Fire and Explosion Hazard Equipment Misuse Hazard Grounding and Electric Requirements InstallationThermal Overload ProX Sprayers Only Component IdentificationX7, ProX7, and ProX9 Only ProX9 OnlySG20 SG10 Operation Pressure Control Knob Settings Pressure Relief ProcedureTrigger Lock Trigger Locked SG10 Trigger Unlocked SG10General Repair Information Grounding and Electric Require Basic TroubleshootingProX7 and ProX9 Insert screw ProX7 and ProX9 Only Read Pump does not prime sectionRequirements, Grounding and ElectricalGrounding and Electrical General Problem Motor Does Not Operate Advanced TroubleshootingSee Control Board Diagnostics, Hazard After Thermal General Problem Circuit Breaker is Tripping Electric Requirements, General Problem Erratic Motor OperationControl. See List of Kits, Switch Kit, General Problem Low or Fluctuating OutputSee Control Board Diagnostics, page 25. If Prime/Spray Valve Kit,Control Switch Kit, General Problem Excessive Pressure Build UpUse Pressure Control Switch Kit, to replace Motor Diagnostics ProX7 and ProX9 Motor Diagnostics X5Setup Setup Relieve Pressure,ProX7, ProX9, X5, Pressure Control Switch DiagnosticsControl Board Diagnostics X5 Control Board Diagnostics ProX7 and ProX9Pump Diagnostics Kit Number Models Kit Description List of KitsParts X5 Model 262800 Parts ListPart Description Qty X5 Model X5, Model X7 Model 262805 Parts List X7 Model 41a 41b 41c 67a 47a 41d 67b 85a HUB CAP ProX7 and ProX9 Models 261815 and 261820 Parts ListProX7 and ProX9 Models 261815 ProX7 and ProX9 Models 261810 X5 and X7 Models 262800 Wiring DiagramsProX7 and ProX9 Models 261815 Magnum ProX7 Magnum ProX9 Technical DataFor Graco Canada Customers Graco Standard WarrantyGraco INC. P.O. BOX 1441 MINNEAPOLIS, MN
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