Graco Inc 307-638, 218-026, PRO4000 manual Table of Contents, Terms

TABLE OF CONTENTS

Terms 3

Safety Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4, 5

How The Electrostatic Air Spray Gun Works . . . . 5

Installation

Typical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Warning Signs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Ventilate the Spray Booth . . . . . . . . . . . . . . . . . . . . . . . 7

Connect the Air Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Connect the Fluid Line . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Check the Electrical Grounding . . . . . . . . . . . . . . . . . . 8

Operation

Filter the Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Operating Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Spraying Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Install the Fluid Nozzle and Air Cap . . . . . . . . . . . . . . 10

Adjust the Spray Pattern . . . . . . . . . . . . . . . . . . . . . . . 10

Maintenance

Daily Care and Cleaning . . . . . . . . . . . . . . . . . . . . . . . 11 Clean the Air Cap and Fluid Nozzle . . . . . . . . . . . . . . 11 Flush the Spray Gun . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Spray Pattern Troubleshooting Chart . . . . . . . . . . 13

Gun Operation Troubleshooting Chart . . . . . . . . . 14

Electrical Troubleshooting Chart . . . . . . . . . . . . . . 15

Electrical Tests

Test Gun Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Test Power Supply Resistance . . . . . . . . . . . . . . . . . . 16 Test Resistor Stud Resistance . . . . . . . . . . . . . . . . . . 17

Service

Gun Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Electrode Replacement . . . . . . . . . . . . . . . . . . . . . . . . 18

Resistor Stud Replacement . . . . . . . . . . . . . . . . . . . . . 19

Barrel Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Fluid Needle Packing Replacement . . . . . . . . . . . . . . 20

Power Cartridge Replacement . . . . . . . . . . . . . . . . . . 22

Turbine Alternator Removal . . . . . . . . . . . . . . . . . . . . . 23

Fan Air Valve Replacement . . . . . . . . . . . . . . . . . . . . . 24

Air Valve Replacement . . . . . . . . . . . . . . . . . . . . . . . . . 24

ES On±Off Valve Removal and Repair . . . . . . . . . . . 25

Fluid Adjusting Screw Replacement . . . . . . . . . . . . . 25

Muffler and Check Valve Replacement . . . . . . . . . . . 25

Parts Drawing	26
Parts List	27
Repair Kits	28
Technical Data	29
How To Order Replacement Parts	29

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30, 31

Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . Back Cover

TERMS

WARNING: Alerts user to avoid or correct conditions that could cause bodily harm.

CAUTION: Alerts user to avoid or correct conditions that could cause damage to or destruction of equipment.

NOTE: Identifies essential procedures or helpful information.

PRESSURE RELIEF PROCEDURE: A safety procedure for re- lieving air and fluid pressure in the system.

FOR YOUR SAFETY: Alerts user to read the additional safety warnings on the page indicated.

ES ON-OFF VALVE: An on/off switch located near the rear of the gun, above the gun handle, that turns the electrostatic pow- er on or off.

3￿7￿638￿3