This manual contains IMPORTANT
WARNINGS AND INSTRUCTIONS
READ AND RETAIN FOR REFERENCE
Rev. L
Supersedes J
Includes K
307–978
ELECTROSTATIC AIR SPRAY
WATER-BASE SYSTEM
Model PRO 3500WB
Air Spray Gun
U.S. PATENT NO. D313,064; 4,978,075
Model WB3500
Voltage Control
For use with Electrostatic Air Spray Systems when spraying conductive, water-based fluids having
flash points above 140
F (60
C) and a maximum 20%, by weight, organic solvent concentration.
COMPONENTS OF THE PRO 3500WB SYSTEM
ISOLATION STAND
Part No. 223–445; 15 gallon (57 liters)
Part No. 727–212; 55 gallon (209 liters)
WB3500 VOLTAGE CONTROL
Part No. 223–477
PRO 3500WB SPRAY GUN WITH AIR & FLUID HOSES
Part No. 223–518; 25 ft (7.6 m) hose length
Part No. 223–519; 36 ft (11.0 m) hose length
Part No. 223–520; 50 ft (15.3 m) hose length
SAFETY FENCE
Part No. 110–614
CONVERSION KIT
Part No. 223–114
GUN HOLSTER
Part No. 236–090
NOTE: See the PARTS DRAWINGS and LISTS for a complete list of part numbers.
CONTENTS
Warnings
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Typical Installation
4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction
5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation
12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning and Maintenance
16
. . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting Charts
18
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spray Gun Electrical Tests
22
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Spray Gun Service
24
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage Control Service
31
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Converting PRO 3500SC Gun to PRO 3500WB Gun
32
. . . .
Spray Gun Service Notes
34
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spray Gun Parts Drawing
36
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Spray Gun Parts List
37
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage Control Parts Drawing
38
. . . . . . . . . . . . . . . . . . . . . . .
Voltage Control Parts List
39
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Isolation Stand Parts Drawing and List
40
. . . . . . . . . . . . . . . .
Fluid Hose Assembly Parts Drawing and List
41
. . . . . . . . . . .
Accessories
42
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spray Gun Technical Data
Back Cover
. . . . . . . . . . . . . . . . . . .
Warranty
Back Cover
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
COPYRIGHT 1989, GRACO INC.
Summary of Contents for PRO 3500WB
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