Graco ULTRA 500 231-054 User Manual

INSTRUCTIONS-P ARTS LIST 307–758
Rev. R
Supersedes Rev . P
ELECTRIC, 120 VAC
ULTRA 500 AIRLESS P AINT SPRA YER
2750 psi (195 bar) MAXIMUM WORKING PRESSURE
Model 231–032, Series C
Basic sprayer on Upright cart
Model 231–041, Series B
Complete sprayer on Upright cart, hoses, gun,
RAC IV  DripLess  T ip Guard and SwitchT ip
Model 231–054, Series D
Basic sprayer on Lo-Boy cart without hose or gun
Model 231–055, Series B
Complete sprayer on Lo-Boy cart, hoses, gun,
RAC IV  DripLess  T ip Guard and SwitchT ip
U.S. P A TENT NO. 4,323,741, 4,397,610
PATENTED 1983, CANADA
AND OTHER PATENTS PENDING
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
COPYRIGHT 1986, GRACO INC.
This manual contains IMPORTANT
INSTRUCTIONS and WARNINGS.
READ AND RETAIN FOR REFERENCE.

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.A void 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
T reatment”.
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 46 to order .

Graco ULTRA 500 231-054 Specifications

General

Model	ULTRA 500 231-054
Type	Airless Paint Sprayer
Hose Length	50 ft
Maximum Fluid Temperature	120°F
Power Source	Electric
Voltage	120 V
Amperage	15A
Nozzle Size	0.021 inches
Tip Size	0.021 in

Summary

Introduction and Sprayer Components

Sprayer Components Overview

Describes key components like pressure control, motor, pump, filter, hoses, and spray gun.

Safety Warnings and Hazards

Fluid Injection and Pressure Hazards

Details risks of high-pressure fluid injection, pressure relief, and general safety.

Equipment Misuse, Fire, and Hose Safety

Covers misuse, fire/explosion risks, grounding, and hose handling.

Setup and Operation

Sprayer Setup Procedure

Instructions for electrical hookup, hose connections, and paint preparation.

Sprayer Operation and Pattern Adjustment

Steps for starting, priming, and adjusting the spray pattern for optimal results.

Maintenance and Flushing

Cleaning a Clogged Tip

Procedure for clearing spray tip clogs safely.

Shutdown and Flushing Guidelines

Procedures for proper shutdown, storage, and system flushing.

Troubleshooting Guide: Motor and Electrical Issues

Motor Won't Operate or Overheats

Diagnosing and resolving motor start, operation, and overheating problems.

Electrical Shorts and Troubleshooting

Troubleshooting electrical faults like short circuits and circuit breaker issues.

Diagnostic Tests: Spin and Bridge Tests

Performing spin and bridge tests to diagnose motor and electrical issues.

Troubleshooting Guide: Output and Pressure Issues

Low or No Output Problems

Addressing issues causing reduced or absent fluid delivery.

Excessive Pressure Fluctuations

Diagnosing causes of unstable spray pressure and pattern variations.

General Repair Information

Essential Repair Precautions and Tools

Key safety information, tool list, and cautions before starting repairs.

Component Repair Procedures

Motor and Electrical Component Repair

Replacing motor brushes, cords, switches, rectifiers, breakers, and boards.

Pressure Control and Drive System Repair

Replacing pressure control, drive housing, connecting rod, and crankshaft.

Motor and Pump Replacement

Detailed steps for replacing the motor and displacement pump.

Pressure Control Adjustment

Adjustment Procedure and Calibration

Lists required tools and steps for setting overpressurization and working pressure.

Parts Lists and Diagrams

Component Parts Identification

Detailed parts drawings and lists for pump, sprayer assemblies, and pressure control.

Wiring Diagram

Visual representation of electrical connections for the sprayer system.

Accessories and Technical Data

Accessories, Specifications, and Contact Info

Information on accessories, technical data, dimensions, and Graco contact numbers.

Warranty and Disclaimers

Graco Warranty Terms and Limitations

Details of the manufacturer's warranty coverage and disclaimers for the equipment.