Basic Troubleshooting / 基本故障排除 / 기본적인 문제 해결

Basic Troubleshooting / 基本故障排除 / 기본적인 문제 해결

Check everything in this Basic Troubleshooting Table before you bring the sprayer to a Graco authorized service center.

Problem

 

What To Check

What To Do

 

(If check is OK, go to next check)

(When check is not OK, refer to this column)

 

 

 

 

 

Sprayer Will Not Operate

 

 

 

 

 

 

 

 

 

Basic Fluid Pressure

1.

Pressure control knob setting.

Slowly increase pressure setting to see if motor starts.

 

 

Motor will not run if set at min-

 

 

 

imum (fully counter-clockwise).

 

 

 

 

 

 

2.

Spray tip or fluid filter may be

Relieve Pressure, page 15. Then clear clog or clean

 

 

clogged.

gun filter. Refer to gun instruction manual, 313347.

 

 

 

 

Basic Mechanical

1.

Pump frozen or hardened paint

Thaw sprayer if water or water-based paint has frozen

 

 

 

in sprayer. Place sprayer in warm area to thaw. Do not

 

 

 

start sprayer until thawed completely. If paint hardened

 

 

 

(dried) in sprayer, replace pump packings. See page

 

 

 

60.

 

 

 

 

 

2.

Motor. Remove drive housing

Replace motor if fan won’t turn. See page 33, Motor

 

 

assembly. See page 60. Try to

Replacement.

 

 

rotate fan by hand.

 

 

 

 

 

Basic Air Pressure

1.

Power/function selector.

Ensure selection is ON.

 

 

 

 

 

2.

Air ON/OFF valve at gun may be

Turn air adjustment valve counter-clockwise to open.

 

 

closed

Slide air ON/OFF up to open.

 

 

 

 

313797C

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Graco Inc 313797C, 290 important safety instructions Basic Troubleshooting / 基本故障排除 / 기본적인 문제 해결, Replacement