OWNER’S MANUAL
308–031
Rev C
Supersedes Rev A
and PCN C
(and Rev B, not published)
PRO 501
Airless Paint Sprayer
1/2 GPM, Electric
Model 224–605, Series A
2750 psi (190 bar) MAXIMUM WORKING PRESSURE
TABLE OF CONTENTS
Warnings
2
. . . . . . . . . . . . . . . . . . . . .
Setup
8
. . . . . . . . . . . . . . . . . . . . . . . .
Startup
9
. . . . . . . . . . . . . . . . . . . . . . .
Maintenance
11
. . . . . . . . . . . . . . . . .
Flushing Guidelines
12
. . . . . . . . . . .
Application Techniques
13
. . . . . . . .
Troubleshooting Guide
14
. . . . . . . .
Repair
16
. . . . . . . . . . . . . . . . . . . . . .
Parts
24
. . . . . . . . . . . . . . . . . . . . . . .
Accessories
31
. . . . . . . . . . . . . . . . .
Technical Data
31
. . . . . . . . . . . . . . .
Warranty
32
. . . . . . . . . . . . . . . . . . . .
THE O’BRIEN CORPORATION, 450 E. Grand Avenue, So. San Francisco, CA 94080
COPYRIGHT 1990, GRACO INC.
This manual contains IMPORTANT
INSTRUCTIONS and WARNINGS.
READ AND RETAIN FOR REFERENCE.
0893
Liquids can be injected into the body by high pressure airless spray
or leaks – especially hose leaks.
Keep body clear of the nozzle. Never stop leaks with any part of the
body. Drain all pressure before removing parts.Avoid accidental trig-
gering of gun by always setting safety latch when not spraying.
Never spray without a tip guard.
In case of accidental skin injection, seek immediate
“Surgical Treatment”.
Failure to follow this warning can result in amputation or serious
injury.
FIRE AND
EXPLOSION HAZARD
SKIN INJECTION
HAZARD
READ AND UNDERSTAND ALL LABELS AND INSTRUCTION MANUALS BEFORE USE
Spray painting, flushing or cleaning equipment with flammable liq-
uids in confined areas can result in fire or explosion.
Use outdoors or in extremely well ventilated areas. Ground equip-
ment, hoses, containers and objects being sprayed.
Avoid all ignition sources such as static electricity from plastic drop
cloths, open flames such as pilot lights, hot objects such as ciga-
rettes, arcs from connecting or disconnecting power cords or turn-
ing light switches on and off.
Failure to follow this warning can result in death or serious injury.
NOTE: This is an example of the DANGER label on your sprayer.
This label is available in other languages, free of charge.
See page 28 to order.
Summary of Contents for 224-605
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