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Graco 224–605 Owner's Manual

Pro 501 airless paint sprayer
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OWNER'S MANUAL
This manual contains IMPORTANT
INSTRUCTIONS and WARNINGS.
READ AND RETAIN FOR REFERENCE.
Model 224-605, Series A
2750 psi (190 bar) MAXIMUM WORKING PRESSURE

TABLE OF CONTENTS

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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.
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.
READ AND UNDERSTAND ALL LABELS AND INSTRUCTION MANUALS BEFORE USE
THE O'BRIEN CORPORATION, 450 E. Grand Avenue, So. San Francisco, CA 94080
PRO 501
Airless Paint Sprayer
1/2 GPM, Electric
2
8
9
11
12
13
14
16
24
31
31
32
FIRE AND
EXPLOSION HAZARD
COPYRIGHT 1990, GRACO INC.
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
"Surgical Treatment".
Failure to follow this warning can result in amputation or serious
injury.
308-031
Rev C
Supersedes Rev A and PCN C
(and Rev B, not published)
0893
SKIN INJECTION
HAZARD
skin
injection,
seek
immediate

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  • Page 1: Table Of Contents

    Failure to follow this warning can result in death or serious injury. Failure to follow this warning can result in amputation or serious injury. READ AND UNDERSTAND ALL LABELS AND INSTRUCTION MANUALS BEFORE USE THE O’BRIEN CORPORATION, 450 E. Grand Avenue, So. San Francisco, CA 94080 COPYRIGHT 1990, GRACO INC.

  • Page 2: Warnings

    WARNINGS HIGH PRESSURE SPRAY CAN CAUSE SERIOUS INJURY. FOR PROFESSIONAL USE ONLY. OBSERVE ALL WARNINGS. Read and understand all instruction manuals before operating the equipment. FLUID INJECTION HAZARD Safety Latch General Safety This equipment generates very high fluid pressure. Spray from Whenever you stop spraying, even for a moment, always set the gun, leaks or ruptured components can inject fluid through the gun safety latch in the closed or “safe”...
  • Page 3 WORKING PRESSURE. Be sure all spray equipment and and cover of the hose. DO NOT expose Graco hoses to tem- accessories used are rated to withstand the this pressure. DO peratures above 180 F (82 C) or below –40 F (–40 C).
  • Page 4 AVERTISSEMENT La pulvérisation à haute pression peut causer de blessures très graves. Réservé exclusivement à l’usage professionnel. Observer toutes les consignes de sécurité. Bien lire et bien comprendre tous les manuels d’instructions avant d’utiliser le matériel. RISQUES D’INJECTION Consignes générales de sécurité lever ni modifier une partie quelconque du pistolet;...
  • Page 5 RISQUES EN CAS DE MAUVAISE UTILISATION DU MATERIAL Consignes générales de sécurité TOUS LES TUYAUX FLEXIBLES DOIVENT AVOIR DES RESSORTS SPIRALE DE PROTECTION AUX 2 BOUTS! Toute utilisation anormale de l’appareil du pulvérisation ou des Les spirales de protection contribuent à éviter la formation de accessoires comme, par exemple, la mise sous une pression pliures, de boucles ou de nœuds sur les tuyaux qui pourraient excessive, les modifications de pièces, l’utilisation de produits...
  • Page 6 ADVERTENCIA EL ROCIADO A ALTA PRESION PUEDE CAUSAR GRAVES LESIONES. SOLO PARA USO PROFESIONAL. RESPECTE LOS AVISOS DE ADVERTENCIA. Lea y entienda todo el manual de instrucciones antes de manejar el equipo. PELIGRO DE INYECCION DE FLUIDO Seguridad general Aparatos de seguridad de la pistola pulverizadora Este equipo general un fluido a una presión muy alta.
  • Page 7 PELIGRO POR MAL USO DEL EQUIPO Seguridad general Presión del sistema Cualquier mal uso del equipo pulverizador o los accesorios, Esta pulverizadora puede desarrollar 190 barías (2750 psi) de PRESION DE TRABAJO MAXIMA. Asegurar que todo el equi- tal como sobre presurización, modificación de piezas, uso de materiales y productos químicos incompatibles, o utilización po pulverizador y sus accesorios tienen la capacidad para de piezas dañadas o desgastadas, puede hacen que se...

  • Page 8: Setup

    SETUP WARNING CAUTION To reduce the risk of serious bodily injury To avoid damaging the pressure control, fol- caused by static sparking, fluid injection or low these precautions. over–pressurization and rupture of the hose 1. Always use flexible, grounded hose at or gun: least 50 feet (15 m) long.

  • Page 9: Startup

    SETUP ON/OFF SWITCH HOSE RACK PACKING NUT/ WETCUP Keep filled with TSL SUCTION TUBE STRAINER PRESSURE CONTROL KNOB PRESSURE DRAIN VALVE PUMP 1/4 NPSM(M) FLUID OUTLET DO NOT INSTALL A SHUT OFF DEVICE HERE Fig 1 0879 STARTUP WARNING Pressure Relief Procedure 5.
  • Page 10 STARTUP DETAIL TIP GUARD ON/OFF SWITCH HOSE RACK SPRAY TIP TRIGGER SAFETY LATCH SHOWN ENGAGED (ON SAFE) SUCTION TUBE STRAINER PRESSURE ADJUSTING KNOB CCW TO LOWER PRESSURE PUMP PRESSURE DRAIN VALVE Fig 2 1. Prime the sprayer with paint. NOTE: If the pump is hard to prime, open the valve.

  • Page 11: Maintenance

    STARTUP 3. Adjusting the spray pattern (See Fig 4.) WARNING To reduce the risk of serious bodily injury from injection, use extreme caution when a. Increase the pressure just until spray from cleaning or changing spray tips. If the spray the gun is completely atomized.

  • Page 12: Flushing Guidelines

    FLUSHING GUIDELINES When to flush 5. Disengage the gun safety latch. Start the sprayer, trigger the gun, and slowly turn the CAUTION pressure adjusting knob clockwise just until NEVER leave water in the sprayer if there is the pump starts. Keep the gun triggered until the slightest chance it could freeze.

  • Page 13: Application Techniques

    APPLICATION METHODS Hold the gun perpendicular to the surface. Keep The best way to control the rate of coverage is the gun at an even 12 to 14 in. (300–356 mm) with the gun tip size. A small tip orifice applies from the surface you are spraying.

  • Page 14: Troubleshooting Guide

    TROUBLESHOOTING GUIDE WARNING Pressure Relief Procedure 4. Disengage the gun safety latch. Hold a metal part To reduce the risk of serious bodily injury, including of the gun firmly to the side of a grounded metal pail, and trigger the gun. fluid injection, splashing in the eyes or on the skin, 5.
  • Page 15 TROUBLESHOOTING GUIDE PROBLEM CAUSE SOLUTION Paint leaks into wet–cup Throat packings are worn or damaged Replace the packings. See page 16. Excessive surging from spray gun Spray tip or fluid filter is plugged Disassemble and clean. Spray tip too big or worn Change the spray tip.

  • Page 16: Repair

    DISPLACEMENT PUMP WARNING WARNING To reduce the risk of serious bodily injury,fol- Be sure the retaining spring (65) is complete- low the Pressure Relief Procedure Warning ly in the connecting rod groove to prevent the on page 14 before checking or repairing any pin (63) from working loose due to vibration.

  • Page 17: Displacement Pump

    DISPLACEMENT PUMP Reassembly Procedure 6. Loosely install the packing nut (221) and plug (201). 1. Stack the backup washer (219*), U–cup seal (205*) lips down , and female gland (220*), al- 7. Insert the oiled piston rod (223) into the bot- tom of the cylinder.
  • Page 18 PRESSURE CONTROL & CIRCUIT BOARD WARNING To reduce the risk of serious bodily injury, al- ways follow the Pressure Relief Procedure Warning on page 14 before checking or re- pairing any part of the spray system. NOTE: A circuit board (13b) is not included with the new pressure control (18).

  • Page 19: Pressure Control Adjustment

    PRESSURE CONTROL ADJUSTMENT WARNING USE EXTREME CAUTION WHEN PERFORMING THIS ADJUSTMENT PROCEDURE to reduce the risk of a fluid injection injury or other serious bodily injury, which can result from component rup- ture, electric shock, fire, explosion or moving parts. This procedure sets the sprayer to 2750 psi NEVER attempt to increase the sprayer’s maxi- (190 bar) MAXIMUM WORKING PRESSURE.
  • Page 20 PRESSURE CONTROL ADJUSTMENT ON/OFF SWITCH 6. Open the needle valve a just enough to allow the pump to run continuously, and turn the pressure adjusting knob to maximum. Very slowly start to close the needle valve. Observe the pressure at which the pump stalls, which should be approximately 2750 psi (190 bar).
  • Page 21 CONNECTING ROD and BEARING HOUSING WARNING 9. Assemble the connecting rod (68) and bearing To reduce the risk of serious bodily injury, al- housing (66). Assemble the coupling (64) to ways follow the Pressure Relief Procedure the connecting rod and install the pin (63). Push the spring (65) over both ends of the Warning on page 14 before checking or re- pin.

  • Page 22: Drive Housing

    DRIVE HOUSING WARNING 3. Remove the two screws (51). Pull the bearing housing and connecting rod assembly (A) off To reduce the risk of serious bodily injury, al- the crankshaft (B). ways follow the Pressure Relief Procedure Warning on page 14 before checking or re- 4.
  • Page 23 MOTOR & CAPACITOR WARNING 8. Clean the gear (60) and inspect it for wear or To reduce the risk of serious bodily injury, al- damage. Replace if necessary. Secure the ways follow the Pressure Relief Procedure gear with the pin (61). See Fig 21. Apply mo- lybdenum disulfide spray lubricant to the gear, Warning on page 14 before checking or re- allow to dry, and then apply industrial grade,...

  • Page 24: Parts

    PARTS LIST PRO 501 Sprayer Model 224–605, Series A Includes items listed below PART NO. DESCRIPTION PART NO. DESCRIPTION 110–886 SCREW 221–077 PRESSURE DRAIN VALVE , pnh, 6–32 x 3/8” 186–258 HANDLE, 103–473 STRAP, lift wire, tie 110–847 BUSHING, 103–927 CLAMP, snap hose, 1-1/4”...

  • Page 25: Parts Drawing

    PARTS DRAWING PRO 501 Sprayer MODEL 224–605, Series A ID LABEL, THIS SIDE ID LABEL, OTHER SIDE DANGER LABEL ID LABEL DANGER LABEL ID LABEL, OUTSIDE WARNING LABEL, INSIDE Ref 88 Ref 41 Ref 26 0879...
  • Page 26 PARTS DRAWING – PRESSURE CONTROL NOTES: Part No. 215–860 Numbers with “Ref” preceeding Ref No. 18 them correspond with the parts Pressure Control Assembly Ref 13 list on page 24. Includes replaceable items listed below See wire colors in Fig 16. Ref 13c 307a Ref 13f...
  • Page 27 DISPLACEMENT PUMP PARTS DRAWING and LIST Model 218–215, Series C Carbon Steel Displacement Pump Includes items 201 to 224 NO. PART NO. DESCRIPTION NOTE: See the repair instructions for 201 180–656 PLUG important torque values and 203 105–444* BALL, sst, 0.3125” dia. procedures 204 105–445* BALL,...

  • Page 28: Accessories

    (As shown on guns, be - ment of these labels for good visibility. Order the labels low .) Requires SwitchTip , purchased separately. directly from Graco, free of charge. Toll Free: 1–800–328–0211 “SILVER” GUN 220–954...
  • Page 29 NOTES...
  • Page 30 MANUAL CHANGE SUMMARY This manual has been updated to improve the text on pages 16–20. Model 223–637 Sprayer has been replaced by Model 224–605 sprayer. The primary change is the addition of a fluid filter assembly. The following chart shows the changes between the old and new models.

  • Page 31: Technical Data

    ............. . . 18 in. (457 mm) NOTE: Delrin is a registered trademark of the DuPont Co. GRACO PHONE NUMBERS TO PLACE AN ORDER , contact your Fuller O’Brien distribu- tor, or call this number to identify the distributor closest to you: 1–800–328–0211 Toll Free...

  • Page 32: Warranty

    Graco distributor to the original purchaser for use. As purchaser’s sole remedy for breach of this warranty, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment proven defective.

This manual is also suitable for:

Pro 501

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