Graco RTX-650 Troubleshooting, Problem Cause Solution, Relieve Pressure, page 6. Remove

Page 14

Troubleshooting

Troubleshooting

Problem

Cause

Solution

 

 

 

 

 

 

Sprayer won’t run

Power switch not on

Turn switch on.

 

 

 

 

No power at wall outlet

Check outlet by seeing if light in the

 

 

plug is illuminated. If not, try another

 

 

outlet.

 

 

 

 

Wrong size generator

Use a 3500 watt or larger generator.

 

 

Refer to Generator Requirements,

 

 

page 6.

 

 

 

 

Too many items on same circuit

Unplug other items from circuit

 

 

 

 

Extension cord too long or wrong

Use a different extension cord. Refer

 

gauge

to Grounding and Electric Require-

 

 

ments, page 6.

 

 

 

 

Breaker tripped

Reset breaker.

 

 

 

 

Blown motor fuse

Check to see if fuse needs to be

 

 

replaced, page 12.

 

 

 

Pump won’t pump material

Failed motor or motor shield

Replace motor or motor fuse.

 

 

 

 

Mix too thick

Add water to thin material. Use Mate-

 

 

rial Thickness Gauge.

 

 

 

 

Plugged gun

Relieve Pressure, page 6. Remove

 

 

gun from hose. Clean gun.

 

 

 

 

RotoFlex II pump worn out

Replace hose. Recommended hose

 

 

replacement - once a year or every

 

 

3000 gallons.

 

 

 

 

Pump cold or material frozen in pump

Move pump to warm room and allow

 

 

it to warm up or run hot water through

 

 

sprayer.

 

 

 

 

Material in hose

Remove material hose from outlet

 

 

and run until material flows.

 

 

 

Material runs out of bottom of sprayer

RotoFlex II pump worn out

Replace hose.

onto floor

 

 

 

 

 

No air flowing from gun

Gun air valve closed

Open gun air valve.

 

 

 

 

Gun needle plugged

Clean needle and retry.

 

 

 

 

Lines not connected

Check all connections to gun and

 

 

hoses.

 

 

 

 

Damaged hose

Replace hose.

 

 

 

 

Worn compressor

Replace compressor.

 

 

 

14

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Contents Model 254973 Shown Related Manuals311777 311767 Fire and Explosion Hazard Equipment Misuse HazardElectric Shock Hazard Pressurized Equipment HazardTi9075a Component Identification ComponentAuxiliary Air Compressor Required Pressure Relief ProcedureGrounding and Electrical Requirements Generator Requirements AlternateRelieve Pressure, DisassemblyReassemblyShroud Removal Disassembly RotoFlex II PumpReassembly Motor Replace two clevis pins 20 in base Motor Fuse Removal Belt Relieve Pressure, page 6. Remove TroubleshootingProblem Cause Solution Relieve Pressure, page 6. Clean Wiring Diagram Parts ModelsPart Description Qty BaseTechnical Data Graco Standard Warranty Graco Information