Graco EM 490R EM 490 Instructions-Parts List Manual
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Graco EM 490R EM 490 Instructions-Parts List Manual

Graco EM 490R EM 490 Instructions-Parts List Manual

Portable/electric airless paint sprayer
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INSTRUCTIONS-PARTS LIST
EM 490
PORTABLE/ELECTRIC
AIRLESS PAINT SPRAYER
2750 psi (190 bar) MAXIMUM WORKING PRESSURE
Model 231-002, Series C
Basic sprayer, without hose or gun
Model 231-490
Complete sprayer with hose, "FLEX" gun, Reverse-A-
Clean IV Dripless Tip Guard, and 517 size SwitchTip
Model 220-679, Series C
Same as Model 231-002 except has low-profile cart.
Model 231-050
Same as Model 231-490 except has low-profile cart.
CONTENTS
Warnings
English
. . . . . . . . . . . . . . . . . . . . . . . . .
French (Avertissement)
. . . . . . . . . .
Spanish (Advertencia)
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Parts Lists and Drawings
. . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . .
NOTE: This is an example of the DANGER label on your sprayer.
This label is available in other languages, free of charge.
See page 30 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
This manual contains IMPORTANT
WARNINGS and INFORMATION
READ AND RETAIN FOR REFERENCE
2
4
6
8
19
11
12
13
14
16
. . . . . . . .
24
30
. . . .
31
Back Cover
FIRE AND
EXPLOSION HAZARD
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
"Surgical Treatment".
Failure to follow this warning can result in amputation or serious
injury.
307-735
Rev G
Supersedes F
Model 231-490 shown
SKIN INJECTION
HAZARD
injection,
seek
immediate

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Summary of Contents for Graco EM 490R EM 490

  • Page 1: Table Of Contents

    This manual contains IMPORTANT WARNINGS and INFORMATION READ AND RETAIN FOR REFERENCE EM 490 PORTABLE/ELECTRIC AIRLESS PAINT SPRAYER 2750 psi (190 bar) MAXIMUM WORKING PRESSURE Model 231–002, Series C Basic sprayer, without hose or gun Model 231–490 Complete sprayer with hose, “FLEX” gun, Reverse–A–...

  • Page 2: Safety Warnings

    SAFETY 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 General Safety This equipment generates very high fluid pressure. Spray from the gun, leaks or ruptured components can inject fluid through your skin and into your body, and cause extremely serious bodily injury, including the need for amputation.
  • Page 3 MOVING PARTS HAZARD Moving parts can pinch or amputate your fingers or other body parts. KEEP CLEAR of moving parts when starting or operating the sprayer. Follow the Pressure Relief Procedure on page 2 before checking or servicing any part of the sprayer, to prevent it from starting accidentally.
  • Page 4 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 Cet appareil produit un fluide à...
  • Page 5 RISQUES EN CAS DE MAUVAISE UTILISATION DU MATERIAL Consignes générales de sécurité toute utilisation anormale de l’appareil du pulvérisation ou des accessoires comme, par exemple, la mise sous une pression excessive, les modifications de pièces, l’utilisation de produits chimiques et de matières incompatibles et l’utilisation de pièces usées ou abîmées peut causer des dégâts à...
  • Page 6 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 Este equipo general un fluido a una presión muy alta. El rociado de la pistola, los escapes de fluido o roturas de los componentes pueden inyectar fluido en la piel y el cuerpo y causar lesiones ex- tremadamente graves, incluyendo a veces la necesidad de am-...
  • Page 7 PELIGRO POR MAL USO DEL EQUIPO Seguridad general Cualquier mal uso del equipo pulverizador o los accesorios, tal como sobre presurización, modificación de piezas, uso de mate- riales y productos químicos incompatibles, o utilización de pie- zas dañadas o desgastadas, puede hacen que se rompan y causen la inyección de fluido u otras lesiones corporales graves, incendio, explosión o daños a la propiedad.
  • Page 8 WARNING If you are supplying your own hoses and spray gun, be sure the hoses are electrically conductive, that the gun has a tip guard, and that each part is rated for at least 2750 psi (190 bar) Maximum Working Pressure .

  • Page 9: Setup

    DO NOT INSTALL A SHUT OFF DEVICE HERE PACKING NUT/WETCUP Keep filled with TSL 50 ft. (15.2 m) MAIN FLUID HOSE Fig 1 Pressure Relief Procedure To reduce the risk of serious bodily injury, including in- jection; splashing in the eyes or on the skin; injury from moving parts or electric shock, always follow this pro- cedure whenever you shut off the sprayer, when checking or servicing any part of the spray system,...
  • Page 10 RAC IV DripLess TIP GUARD and SwitchTip Fig 2 1. Prime the sprayer with paint. a. Close the pressure drain valve. b. Don’t install the spray tip yet! c. Put the suction tube into the paint container. d. Turn the pressure adjusting knob all the way counterclockwise to lower the pressure e.

  • Page 11: Shutdown & Care

    4. Cleaning a Clogged Tip WARNING To reduce the risk of serious bodily injury from injec- tion, use extreme caution when cleaning or chang- ing spray tips. If the spray tip clogs while spraying, engage the gun safety latch immediately, then fol- low the procedure in Steps 4a to 4e, below.

  • Page 12: Flushing Guidelines

    NOTE: The Pressure Relief Procedure Warning is on page 14. When To Flush CAUTION NEVER leave water in the sprayer if there is the slightest change it could freeze. Flush out the water with mineral spirits. If water freezes in the pressure control tube, it prevents the sprayer from being started, and causes serious damage to the pres- sure control.

  • Page 13: Application Methods

    Always hold the gun perpendicular to the work surface and at an even12 to 14 in. (300–356 mm) from the surface you are spraying. See Fig 9. Begin moving the gun in a horizontal direction at a steady rate. Start the spray stroke off the target surface and pull the trigger as the gun is moving.

  • Page 14: Troubleshooting Guide

    Pressure Relief Procedure To reduce the risk of serious bodily injury, including fluid injection, splashing in the eyes or on the skin, or injury from moving parts, always follow this procedure when you shut off the sprayer, when checking, adjusting or cleaning the system, and when changing spray tips.

  • Page 15: Displacement Pump

    PROBLEM CAUSE Paint leaks into wet–cup Throat packings are worn or damaged Excessive surging from spray gun Spray tip or fluid filter is plugged Spray tip too big or worn Paint too viscous Wrong type hose Not enough paint pressure Pressure setting too low Spray tip too big or worn Pressure control frozen...
  • Page 16 TORQUE 70 ft–lb (95 N.m) Fig 12 Reinstalling the Pump. See Fig 12. 1. Rotate the crankshaft (A) so the connecting rod (54) is in its lowest position. (Rotate the fan blades at the rear of the motor with a screwdriver.) The pump piston rod (223) should protrude about 1 in.

  • Page 17: Repair

    Reassembly Procedure 1. Stack the backup washer (219*), U–cup seal (205*) lips down , and female gland (220*), alternate the polyethylene and leather v–packings (217*, 218*) lips up, and stack the male gland (213*) one at a time onto the piston valve (224). See Fig 15. 2.
  • Page 18 REPLACING THE CONNECTING ROD and BEARING WARNING To reduce the risk of serious bodily injury, including fluid injection or splashing in the eyes or on the skin, or injury from moving parts, always follow the Pres- sure Relief Procedure Warning on page 14 be- fore checking, adjusting, cleaning or shutting off the sprayer.
  • Page 19 REPLACING THE DRIVE ASSEMBLY WARNING To reduce the risk of serious bodily injury, including fluid injection or splashing in the eyes or on the skin, or injury from moving parts, always follow the Pres- sure Relief Procedure Warning on page 14 be- fore checking, adjusting, cleaning or shutting off the sprayer.
  • Page 20 REPLACING THE ELECTRIC MOTOR & CAPACITOR WARNING To reduce the risk of serious bodily injury, including fluid injection or splashing in the eyes or on the skin, or injury from moving parts, always follow the Pres- sure Relief Procedure Warning on page 14 be- fore checking, adjusting, cleaning or shutting off the sprayer.
  • Page 21 REPLACING THE PRESSURE CONTROL & CIRCUIT BOARD WARNING To reduce the risk of serious bodily injury, including fluid injection or splashing in the eyes or on the skin, or injury from moving parts, always follow the Pres- sure Relief Procedure Warning on page 14 be- fore checking, adjusting, cleaning or shutting off the sprayer.

  • Page 22: Pressure Control Adjustment

    PRESSURE CONTROL ADJUSTMENT 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 rupture, electric shock, fire, explosion or moving parts. This procedure sets the sprayer to 2750 psi (190 bar) MAXIMUM WORKING PRESSURE.
  • Page 23 PRESSURE CONTROL ADJUSTMENT ON/OFF SWITCH TIGHTEN Fig 22 4. Open the needle valve slightly. Turn the pressure con- trol knob (A) to the minimum setting. 5. Plug in the sprayer and turn the switch ON. Increase the pressure setting just enough to start the sprayer. Prime the hose, being sure to eliminate all air from the system.
  • Page 24 PARTS DRAWING – PRESSURE CONTROL Part No. 215–860 Ref No. 50 Pressure Control Assembly Includes replaceable items 301 to 316, as listed below Ref 40 Ref 25 Ref 135 PART NO. DESCRIPTION 100–035 SCREW, mach; pan hd; 8–32 x 5/16” 162–453* NIPPLE, 1/4 npsm x 1/4 npt 102–932 CONNECTOR, conduit, 90...
  • Page 25 DISPLACEMENT PUMP PARTS DRAWING and LIST Model 218–215, Series C Carbon Steel Displacement Pump Includes items 201 to 224 NOTE: See the repair instructions for im- portant torque values and procedures *212 *209 218* *211 *208 *207 NO. PART NO. DESCRIPTION 201 180–656 PLUG...

  • Page 26: Parts Drawing

    PARTS LIST – SPRAYER WITH UPRIGHT CART Model 231–002, Series C, Basic Sprayer Includes items 1 to 135 as listed below PART NO. DESCRIPTION 065–099 CONDUIT, electrical 100–188 NUT, hex, 5/16–18 100–214 LOCKWASHER, spring, 3/8” 101–344 CAPSCREW, hex hd, 5/16–18 x 7/8” 162–453 NIPPLE, 1/4 npsm x 1/4 npt 181–073...
  • Page 27 PARTS DRAWING – SPRAYER WITH UPRIGHT CART MODEL 231–002, Series C Basic Sprayer with Upright Cart DANGER LABEL, ENGLISH Ref No. 55 Drive Assembly Includes items 55a to 55h Ref No. 23 Electric Motor Includes items 23a to 23g 23d* 129a DETAIL Ref 312...
  • Page 28 PARTS LIST – SPRAYER WITH LOBOY CART Model 220–679, Series C, Basic Sprayer Includes items 1 to 135 as listed below PART NO. DESCRIPTION 065–099 CONDUIT, electrical 100–188 NUT, hex, 5/16–18 100–214 LOCKWASHER, spring, 3/8” 100–057 CAPSCREW, hex hd, 5/16–18 x 7/8” 156–823 UNION, 1/4 npt(m) x 1/4 npt(f) swivel 181–073...
  • Page 29 PARTS DRAWING – SPRAYER WITH LOBOY CART MODEL 220–679, Series C Basic Sprayer with LoBoy Cart Ref No. 55 Drive Assembly Includes items 55a to 55h DANGER LABEL ENGLISH SEE DETAIL BELOW DETAIL Ref 312 Ref 115 Ref No. 23 Electric Motor Includes items 23a to 23g DANGER LABEL,...

  • Page 30: Accessories

    ACCESSORIES DANGER LABELS The English language DANGER label shown on page 1 and the same label in French is on your spray- er. If you have painters who do not read English or French, order one of the following labels to apply to your sprayer.

  • Page 31: Technical Data & Dimensions

    Maximum Working Pressure Motor ............Power Requirements Extension Cord Requirements Maximum Delivery...

  • Page 32: Warranty

    THE GRACO WARRANTY AND DISCLAIMERS WARRANTY Graco warrants all equipment manufactured by it and bearing its name to be free from defects in material and workmanship on the date of sale by an authorized 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:

Em 490231–002231–490220–679231–050

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