Graco 231-033 Instructions-Parts List Manual
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Graco 231-033 Instructions-Parts List Manual

Graco 231-033 Instructions-Parts List Manual

Airless paint sprayer
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INSTRUCTIONS-PARTS LIST
This manual contains IMPORTANT
INSTRUCTIONS and WARNINGS.
READ AND RETAIN FOR REFERENCE.
120 VAC, 15 AMP
ULTRA 750
AIRLESS PAINT SPRAYER
3000 psi (210 bar) MAXIMUM WORKING PRESSURE
Model 231–033, Series D
Basic sprayer on Upright cart without
hose or gun
Model 231–042, Series B
Complete sprayer on Upright cart with hose,
gun, RAC IV
DripLess
and SwitchTip
Model 221–120, Series D
Basic sprayer on lo-boy cart without
hose or gun
Model 221–130, Series B
Complete sprayer on lo-boy cart with hose,
gun, RAC IV
DripLess
and SwitchTip
U.S. PATENT NO. 4,323,741; 4,397,610
PATENTED 1983, CANADA
AND OTHER PATENTS PENDING
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.
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
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
Tip Guard
Tip Guard
FIRE AND
EXPLOSION HAZARD
COPYRIGHT 1986, GRACO INC.
MODEL 231–042
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.
307–786
Rev
G
Supersedes E
and PCN F & G
SKIN INJECTION
HAZARD

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  • Page 1 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 GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 COPYRIGHT 1986, GRACO INC.

  • Page 2: Table Of Contents

    The pump has a wet-cup which, when filled with sprayer, the pressure adjusting control knob, a pressure Graco Throat Seal Liquid, helps prevent damage to the sensing device and a current overload circuit breaker throat packings and piston rod.
  • Page 3 TRIGGER SAFETY SHOWN ENGAGED MOTOR RESET BUTTON ON/OFF SWITCH PRESSURE ADJUSTING KNOB DRIVE ASSEMBLY PRESSURE FLUID FILTER CONTROL PRESSURE DRAIN VALVE PAIL HANGER (on upright sprayer only) FLUID OUTLET DISPLACEMENT PUMP RAC IV TIP GUARD SWITCH TIP 50 FT (15 M) MAIN HOSE 3 ft.
  • Page 4 SAFETY WARNINGS HIGH PRESSURE SPRAY CAN CAUSE SERIOUS INJURY. FOR PROFESSIONAL USE ONLY. OBSERVE ALL WARNINGS Read and understand all instruction manuals before operating equipment. FLUID INJECTION HAZARD General Safety Safety Latch 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 5 DO NOT expose Graco hose to temperatures above 180 F (82 C) or below –40 F (–40...
  • Page 6 AVERTISSEMENT La pulvérisation à haute pression peut causer des 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 generales de sécurité lever ni modifier une partie quelconque du pistolet;...
  • Page 7 RISQUES EN CAS DE MAUVAISE UTILISATION DU MATERIEL Consignes générales de sécurité Pression Toute utilisation anormale de l’appareil de pulvérisation ou des Ce pulvérisateur peut produire une PRESSION MAXIMUM DE accessoires comme, par exemple, la mise sous une pression TRAVAIL 210 bar (3000 lb/po2). S’assurer que tous les excessive, les modifications de pièces, l’utilisation de produits éléments du pulvérisateur et ses accessoires sont conçus pour chimiques et de matières incompatibles et l’utilisation de pièces...
  • Page 8 ADVERTENCIA EL ROCIADO a ALTA PRESIÓN PUEDE CAUSAR GRAVES LESIONES. SOLO PARA USO PROFESIONAL. RESPETE LOS AVISOS DE ADVERTENCIA. Lea y entienda todo el manual de instrucciónes antes de manejar el equipo. PELIGRO DE INYECCIÓN DE FLUIDO Seguridad general Aparatos de seguridad de la pistola pulverizadora Este equipo genera un fluido a una presión muy alta.
  • Page 9 PELIGRO POR MAL USO DEL EQUIPO Seguridad general Presión del sistema Cualquier mal uso del equipo pulverizador o los accesorios, tal está pulverizadora puede desarrollar 210 barías (3000 psi) DE como sobre presurización, modificación de piezás, uso de PRESIÓN DE TRABAJO MÁXIMA. Asegurar que todo matériales y productos quimicos incompatibles, o utilización de equipo pulverizador y sus accesorios tienen la capacidad para piezás dañadas o desgastadas, puede hacen que se rompan...

  • Page 10: Warnings

    SETUP WARNING 1. Fill the packing nut/wet-cup 1/3 full with Graco Throat Seal Liquid (TSL), supplied. To reduce the risk of serious bodily injury from static sparking, fluid injection, or over pressurization and rupture of the hose or gun, all hoses must be electri- 2.
  • Page 11 SETUP ON/OFF SWITCH PRESSURE ADJUSTING KNOB PACKING NUT/ WET–CUP FILL 1/3 FULL WITH TSL PRESSURE DRAIN VALVE 1/4 npsm(m) FLUID OUTLET NIPPLE DO NOT INSTALL ANY SHUTOFF DEVICE HERE RAC IV TIP GUARD MAIN HOSE 1/4 in. x 50 ft 3/16 in.

  • Page 12: Operation

    OPERATION 9. Adjust the spray pattern Use this procedure each time you start the sprayer to help ensure the sprayer is ready to operate and that you a. Increase the pressure just until spray from the start it safely. gun is completely atomized. Use the lowest pressure needed to get the desired results.

  • Page 13: Cleaning A Clogged Tip

    MAINTENANCE Cleaning a Clogged Tip 3. Disengage the gun safety latch and trigger the gun into a waste container. Engage the gun safety latch WARNING again. To reduce the risk of serious injury, follow the illus- trated Pressure Relief Procedure warning on 4.

  • Page 14: Shutdown And Care

    SHUTDOWN AND CARE WARNING PRESSURE To reduce the risk of serious injury, follow the illus- ADJUSTING KNOB trated Pressure Relief Procedure warning on page 4 whenever you are instructed to relieve pres- sure. 1. Check the packing nut/wet-cup daily. First relieve PACKING NUT/ pressure.

  • Page 15: Flushing Guidelines

    FLUSHING GUIDELINES NOTE: Several flushes are often required to thoroughly clean the system and prepare it for the next fluid to be sprayed, or to store the sprayer. Use this chart to determine the required flushing order for the fluid you are using, and then follow the procedure below for flushing.

  • Page 16: Troubleshooting Guide

    TROUBLESHOOTING GUIDE Pressure Relief Procedure Disengage the gun safety latch. Hold a metal part of the gun firmly to the side of a grounded metal pail, and trig- To reduce the risk of serious bodily injury, including fluid in- ger the gun to relieve pressure. jection, splashing fluid or solvent in the eyes or on the skin, or injury from moving parts or electric shock, always follow Engage the gun safety latch.
  • Page 17 MOTOR WON’T OPERATE TYPE OF PROBLEM WHAT TO CHECK WHAT TO DO If check is OK, go to next check When check is not OK refer to this column 1 . Check leads from bridge (308) to motor to be 1.

  • Page 18: Repair

    MOTOR WON’T OPERATE TYPE OF PROBLEM WHAT TO CHECK WHAT TO DO If check is OK, go to next check When check is not OK refer to this column Condition B (continued) 6. Check motor thermal cutout switch. Connect 6. Allow motor to cool. Correct cause of over- volt meter to TP6 female and TP9 female.
  • Page 19 LOW OUTPUT TYPE OF PROBLEM WHAT TO CHECK WHAT TO DO If check is OK, go to next check When check is not OK refer to this column Low Output 1. Check for worn spray tip. 1. Follow Pressure Relief Procedure Warn- ing then replace tip.
  • Page 20 NO OUTPUT TYPE OF PROBLEM WHAT TO CHECK WHAT TO DO If check is OK, go to next check When check is not OK refer to this column Motor runs and pump strokes 1. Check paint supply. 1. Refill and reprime pump. 2.
  • Page 21 MOTOR IS HOT AND RUNS INTERMITTENTLY TYPE OF PROBLEM WHAT TO CHECK WHAT TO DO If check is OK, go to next check When check is not OK refer to this column 1. Determine if sprayer was operated at high 1.
  • Page 22 SPIN TEST WARNING Armature, Brushes, and Motor Wiring Open Circuit Test (Continuity) To reduce the risk of serious injury, follow the illus- Relieve pressure. Connect the two black motor leads to- trated Pressure Relief Procedure warning on gether with a test lead. T urn the motor fan by hand at page 24 whenever you are instructed to relieve about two revolutions per second.
  • Page 23 BRIDGE TEST WARNING To reduce the risk of serious injury, follow the illus- trated Pressure Relief Procedure warning on page 24 whenever you are instructed to relieve pressure. BRIDGE WIRES – Remove the bridge from the pressure control box and CONTINUITY perform this test to determine if the bridge is functional.

  • Page 24: General Repair Information

    GENERAL REPAIR INFORMATION WARNING Pressure Relief Procedure Disengage the gun safety latch. Hold a metal part of the gun firmly to the side of a grounded metal pail, and trig- To reduce the risk of serious bodily injury, including fluid in- ger the gun to relieve pressure.

  • Page 25: Motor Brush

    MOTOR BRUSH REPLACEMENT NOTE: Replace the brushes when they have worn to HOOK SPRING less than 1/2 in. See STEP 1, Fig 25–3. Note that the brushes wear differently on each side of the motor, so check them both. Brush Repair Kit BRUSH 220–853 is available.

  • Page 26: Power Supply Cord

    POWER SUPPLY CORD REPLACEMENT WARNING 1. Relieve pressure. To reduce the risk of serious injury, follow the illus- 2. Remove the pressure control cover (63). trated Pressure Relief Procedure warning on 3. Disconnect the power supply cord lead from the ON/ page 24 whenever you are instructed to relieve OFF switch (303), the white wire going to the bridge pressure.

  • Page 27: Circuit Breaker

    BRIDGE RECTIFIER REPLACEMENT WARNING 2. Remove the pressure control cover (63). To reduce the risk of serious injury, follow the Pres- 3. Disconnect all wires from the bridge (308). sure Relief Procedure warning on page 24 when- 4. Loosen but don’t remove the screw (331A). Remove ever you are instructed to relieve pressure.
  • Page 28 CIRCUIT BOARD REPLACEMENT WARNING 5. Pull out the plastic-tipped pin (330). Push the bottom of the circuit board (71) toward the wall of the pres- To reduce the risk of serious injury, follow the illus- sure control and carefully slide the board out. trated Pressure Relief Procedure warning on page 24 whenever you are instructed to relieve...
  • Page 29 PRESSURE CONTROL REPLACEMENT WARNING 7. Remove the conduit (1). To reduce the risk of serious injury, follow the illus- 8. Remove the three pressure control mounting screws trated Pressure Relief Procedure warning on (8), lockwashers (10) and nuts (1 1). Remove the page 24 whenever you are instructed to relieve pressure control.
  • Page 30 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 rupture, electric shock, fire, explosion, or moving parts. This procedure sets the sprayer to3000 psi (210 bar) NEVER try to increase the sprayer’s maximum work- MAXIMUM WORKING PRESSURE and sets the ing pressure of 3000 psi (210 bar ) by performing...
  • Page 31 PRESSURE CONTROL ADJUSTMENT 6. Plug in the sprayer. 12. Install the pressure control cover. Maximum Working Pressure Adjustment 7. Turn the pressure control knob (B) to the minimum setting (fully counterclockwise), and turn the sprayer 13. Turn the sprayer OFF . Disengage the gun safety ON.
  • Page 32 BEARING HOUSING & CONNECTING ROD REPLACEMENT 2. Remove the front cover (49). For the upright sprayer PACK WITH only, unclip the drain hose (99) from the pump. Hold BEARING GREASE a wrench on the pump intake valve (223) and un- screw the pump suction tube.
  • Page 33 DRIVE HOUSING REPLACEMENT WARNING 5. Remove the two drive housing screws (26) and lockwashers (20). To reduce the risk of serious injury, follow the illus- trated Pressure Relief Procedure warning on 6. Remove the two lower screws (13) and lockwashers page 24 whenever you are instructed to relieve (20) and then the two upper screws (16) and lock- pressure.
  • Page 34 MOTOR REPLACEMENT CAUTION WARNING DO NOT drop the gear cluster (51) when removing To reduce the risk of serious injury, follow the Pres- the drive housing (67). The gear cluster may stay sure Relief Procedure warning on page 24 when- engaged in the motor front end bell or the drive ever you are instructed to relieve pressure.
  • Page 35 WIRING DIAGRAM DETAIL Shows position of BLUE conduit seal (29) in WHITE conduit connector (345) BLACK YELLOW MOTOR LEADS BLACK WHITE MOTOR GREEN GROUND WIRE THERMAL SWITCH POWER SUPPLY CORD LIBERALLY APPLY GREASE 36,63 Fig 35–1...
  • Page 36 If the sleeve cannot be removed easily using the tool, return the sleeve and cylinder to your 210* Graco distributor for removal. 212* 9. Screw the large nut (B) of the tool into the top of the *206 cylinder (19).
  • Page 37 DISPLACEMENT PUMP REPAIR 3. Tighten the packing retaining nut (21 1) against the 9. Install the packing nut (216) and plug (205), but leave loose for now. See Fig 37–3. piston valve (222) to 19 ft-lb (27 N.m). Note the alignment of the piston (222) to the pack- 10.
  • Page 38 Fill the wet-cup/packing nut lower the rod. 1/3 full with Graco TSL. See Fig 38–2. 2. While holding the pump intake valve (223) steady with a wrench, unscrew the suction tube (86).

  • Page 39: Parts Drawings & Lists Displacement Pump

    PARTS DRAWING & LIST – DISPLACEMENT PUMP Model 222–580, Series A Sleeved Displacement Pump Includes items 202 to 225 NO. PART NO. DESCRIPTION 110–165* PACKING, o–ring, PTFE 209* 107–093* SEAL, u–cup, polyurethane 225* 105–445* BALL, sst 179–810 PLUG 1 178–939* V–PACKING, leather 178–940* V–PACKING, leather...

  • Page 40: Upright Sprayer

    PARTS DRAWING – SPRAYER Ultra 750 Sprayers with Upright Cart LABEL Model 231–033, Series D LABEL Includes items 1 – 99 Basic Sprayer LABEL Model 231–042, Series B Includes items 1 – 102 73d* LABEL Complete Sprayer Ref 77 LABEL Ref 78 LABEL Ref 64...
  • Page 41 PARTS LIST – SPRAYER Ultra 750 Sprayers with Upright Cart Model 231–033, Series D Model 231–042, Series B Includes items 1 – 99 Includes items 1 – 102 Basic Sprayer Complete Sprayer NO. PART NO. DESCRIPTION NO. PART NO. DESCRIPTION 065–099 CONDUIT, 183–995...
  • Page 42 PARTS DRAWING – SPRAYER Ultra 750 Sprayers with Lo–Boy Cart Model 221–120, Series D Includes items 1 – 99 Basic Sprayer Model 221–130, Series B Includes items 1 – 102 Complete Sprayer LABEL LABEL LABEL 73d* LABEL LABEL LABEL 89 14 INSIDE LABEL OUTSIDE LABEL SEE PARTS ON PAGE 42...
  • Page 43 PARTS LIST – SPRAYER Ultra 750 Sprayers with Lo-Boy Cart Model 221–120, Series D Model 221–130, Series B Includes items 1 – 99 Includes items 1 – 102 Basic Sprayer Complete Sprayer NO. PART NO. DESCRIPTION NO. PART NO. DESCRIPTION 065–099 CONDUIT, 206–994...

  • Page 44: Pressure Control

    PARTS DRAWING & LIST – PRESSURE CONTROL PRESSURE CONTROL ASSEMBLY 220–455 Includes all items listed below, except the terminals. Part numbers for items 17, 27, 29, 52, 71, 73a, 73b and 73c are shown in the drawings below and on page 45 are The terminals are included with the circuit board (item given on page 41 or 43.

  • Page 45: Wiring Diagram

    WIRING DIAGRAM CIRCUIT BOARD 218–405, 5 WIRES 321 (75c) BLUE WHITE BLACK YELLOW Ref 27,52 BLACK WHITE MOTOR GREEN GROUND WIRE THERMAL SWITCH POWER SUPPLY CORD...

  • Page 46: Accessories

    English, order one of the following Includes: labels to apply to your sprayer. The drawing shows the best placement of these labels for good visibility. Ref Part Order the labels directly from Graco, free of No. No. Name 156–589 UNION charge. Toll Free: 1–800–328–0211...

  • Page 47: Technical Data

    ... 3/4 npt(m) with 30 ID chamfer TO PLACE AN ORDER , contact your Graco distributor, Fluid Outlet Size ....

  • Page 48: The Graco Warranty And Disclaimers

    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, with the exception of defects in parts on the drive train/gear box on EM and GM sprayers or power train on EH &...

This manual is also suitable for:

Ultra 750231-042221-120221-130

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