Graco 231–081 Instructions And Parts List
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Graco 231–081 Instructions And Parts List

Graco 231–081 Instructions And Parts List

Series b asbestos encapsulator ii sprayer
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INSTRUCTIONS–PARTS LIST
This manual contains IMPORTANT
WARNINGS AND INSTRUCTIONS
READ AND RETAIN FOR REFERENCE
120 VAC, 15 AMP
ASBESTOS ENCAPSULATOR II SPRAYER
3000 psi (210 bar) MAXIMUM WORKING PRESSURE
Model 231–081, Series B
Basic sprayer on Upright cart without
hose or gun
Hazard of Using Fluids Containing Halogenated Hydrocarbons
Never use 1,1, 1–trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or fluids containing
such solvents in this equipment. Such use could result in a serious chemical reaction, with the possibility of explo-
sion, which could cause death, serious bodily injury and/or substantial property damage.
Consult your fluid suppliers to ensure that the fluids being used are compatible with aluminum and zinc parts.
Refer to the Technical Data on page 45 for more information.
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
WARNING
COPYRIGHT 1988, GRACO INC.
307–920
Rev B
Supersedes A

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Summary of Contents for Graco 231–081

  • Page 1 Consult your fluid suppliers to ensure that the fluids being used are compatible with aluminum and zinc parts. Refer to the Technical Data on page 45 for more information. GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 COPYRIGHT 1988, GRACO INC.

  • Page 2: Table Of Contents

    The pump has a wet–cup which, when filled with sensing device and a current overload circuit breaker with Graco Throat Seal Liquid, helps prevent damage to the a manual reset button. The function of the pressure con- throat packings and piston rod.
  • Page 3 TRIGGER SAFETY SHOWN ENGAGED MOTOR ON/OFF SWITCH PRESSURE ADJUSTING KNOB RESET BUTTON DRIVE ASSEMBLY FLUID FILTER PRESSURE CONTROL DISPLACEMENT PUMP PRESSURE DRAIN VALVE Fig 1 307–920...

  • Page 4: Warnings

    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 Safety Latch General Safety Whenever you stop spraying, even for a moment, always set the This equipment generates very high fluid pressure.
  • Page 5 DO NOT expose Graco hose to temperatures above 180 F (82 C) or below –40 F (–40...

  • Page 6: Avertissement

    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 Dispositifs de sécurité...
  • 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) .

  • Page 8: Advertencia

    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 el equipo matériales y productos quimicos incompatibles, o utilización de pulverizador y sus accesorios tienen la capacidad para aguan- piezás dañadas o desgastadas, puede hacen que se rompan...

  • Page 10: Setup

    SETUP ON/OFF SWITCH PRESSURE ADJUSTING KNOB FLUID FILTER PLUG FOR SECONDARY MAIN HOSE HOSE OUTLET WHIP HOSE FILL THE PACKING NUT/ WET–CUP 1/3 FULL WITH TSL RAC IV TIP GUARD 1/4 npsm(m) FILTER OUTLET NIPPLE PRESSURE DO NOT INSTALL ANY DRAIN VALVE SHUTOFF DEVICE HERE...
  • Page 11 SETUP 3. Fill Packing Nut/Wet–Cup. See Fig 3. WARNING Fill the packing nut/wet–cup 1/3 full with Graco Throat Seal Liquid (TSL), supplied. Proper electrical grounding is essential to reduce the risk of fire or explosion which can result in seri- 4.
  • Page 12 OPERATION 6. To prime the pump , hold a metal part of the gun WARNING firmly against and aimed into a metal waste con- Pressure Relief Procedure tainer. See Fig 6. Squeeze the trigger and hold it To reduce the risk of serious bodily injury, including open, turn the ON/OFF switch to ON, and slowly in- fluid injection, splashing fluid or solvent in the eyes crease the pressure setting until the sprayer starts.

  • Page 13: Operation

    OPERATION 1. Clean the front of the tip frequently during the day’s operation. First, follow the Pressure Relief Proce- ON/OFF SWITCH dure Warning on page 12. PRESSURE ADJUSTING KNOB ROTATE CLOCKWISE TO INCREASE PRESSURE 2. If the spray tip clogs and you are using a RAC IV FLUID FILTER DripLess T ip Guard , release the gun trigger , en- gage the gun safety latch, and rotate the RAC IV...

  • Page 14: Shutdown & Care

    SHUTDOWN AND CARE 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 12 before checking, adjusting, cleaning and shutting down the sprayer.

  • Page 15: Flushing Guidelines

    FLUSHING GUIDELINES When to Flush 3. Close the pressure drain valve. 1. New Sprayer. Your new sprayer was factory tested 4. Put the suction tube in a grounded metal pail of com- in lightweight oil which was left in to protect pump patible solvent.

  • Page 16: Troubleshooting Guide

    TROUBLESHOOTING GUIDE WARNING Pressure Relief Procedure To reduce the risk of serious bodily injury , including 4. Disengage the gun safety latch. Hold a metal part of the gun firmly to the side of a grounded metal fluid injection, injury from splashing fluid or solvent in pail, and trigger the gun to relieve pressure.
  • Page 17 MOTOR WON’T OPERATE TYPE OF PROBLEM WHAT TO CHECK WHAT TO DO If check is OK, go to the next check. If check is not OK, refer to this column. Diagnosing circuit board in– 1. Check leads from bridge (308) to motor to 1.
  • Page 18 MOTOR WON’T OPERATE TYPE OF PROBLEM WHAT TO CHECK WHAT TO DO If check is OK, go to the next check. If check is not OK, refer to this column. Condition B (continued) 7. Check microswitch (302).Reconnect TP6 7. Clean microswitch male terminals. Re- connectors.Connect volt meter to TP15 place loose or damaged terminals.

  • Page 19: Low Output

    LOW OUTPUT WHAT TO CHECK WHAT TO DO If check is OK, go to the next check. If check is not OK, refer to this column. 1. Check for worn spray tip. 1. Follow Pressure Relief Procedure Warning then replace tip. See your sepa- rate gun or tip manual.

  • Page 20: No Output

    NO OUTPUT TYPE OF PROBLEM WHAT TO CHECK WHAT TO DO If check is OK, go to the next check. If check is not OK, refer to this column. Motor runs and pump strokes 1. Check material supply. 1. Refill and reprime pump. 2.

  • Page 21: Motor Is Hot And Runs Intermittently

    MOTOR IS HOT & RUNS INTERMITTENTLY WHAT TO CHECK WHAT TO DO If check is OK, go to the next check. If check is not OK, refer to this column. 1. Check to see if sprayer has been operating 1. Decrease pressure setting or increase at high pressure with small tips, which tip size.

  • Page 22: Spin Test

    SPIN TEST WARNING Pressure Relief Procedure 4. Disengage the gun safety latch. Hold a metal part of the gun firmly to the side of a grounded metal To reduce the risk of serious bodily injury , including pail, and trigger the gun to relieve pressure. fluid injection, injury from splashing fluid or solvent in 5.

  • Page 23: Bridge Test

    BRIDGE TEST Remove the bridge from the pressure control and per- BRIDGE WIRES form this test to determine if the bridge is functional. See BRIDGE RECTIFIER REPLACEMENT, page 26. Use a – continuity tester, such as multi–meter set on the X1 ohms scale.

  • Page 24: General Repair Notes

    GENERAL REPAIR NOTES 2. Route wires carefully in the pressure control as- WARNING sembly, guiding them through the legs of the U– Pressure Relief Procedure shaped bourdon tube. This is to avoid interfering with the bourdon tube, which moves as the pressure set- To reduce the risk of serious bodily injury , including ting changes, and to avoid pinching the wires be- fluid injection, injury from splashing fluid or solvent in...
  • Page 25 MOTOR BRUSH REPLACEMENT NOTE: Replace the brushes when they have worn to SPRING less than 1/2 in. See STEP 1, Fig 13. Note that HOOK 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 REPLACEMENT WARNING Pressure Before doing this procedure, follow the Relief Procedure W arning on page 23 to reduce the risk of a fluid injection injury , splashing in the eyes or on the skin, injury from moving parts, or electric shock.
  • Page 27 BRIDGE RECTIFIER REPLACEMENT 5. Install the front screw (331), lockwasher (333) and WARNING nut (332). Make sure the bridge is flush with the side Before doing this procedure, follow the Pressure of the pressure control and tighten the screws se- Relief Procedure W arning on page 23 to reduce curely.
  • Page 28 CIRCUIT BOARD REPLACEMENT WARNING 6. Reconnect all wires. Refer to the wiring diagram in Fig 19. Ease the pin (86) into the retainer. Before doing this procedure, follow the Pressure Relief Procedure W arning on page 23 to reduce the risk of a fluid injection injury , splashing in the PRESSURE eyes or on the skin, injury from moving parts, or CONTROL KNOB...
  • Page 29 PRESSURE CONTROL REPLACEMENT WARNING 6. Remove the conduit (22). Pressure Before doing this procedure, follow the 7. Remove the three screws (44), lockwashers (40), Relief Procedure W arning on page 23 to reduce and nuts (41) located below the pressure control. the risk of a fluid injection injury , splashing in the Remove the 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 Maximum W orking Pressure Adjustment 17. Turn the pressure control knob to the minimum set- ting. Release the gun safety latch and trigger the gun into a grounded waste container until pressure is re- 13. Turn the sprayer OFF . Disengage the gun safety lieved.

  • Page 32: Bearing Housing Connecting Rod Replacement

    BEARING HOUSING & CONNECTING ROD REPLACEMENT 7. Inspect the crank (E) for excessive wear and replace WARNING parts as needed. Evenly lubricate the inside of the Before doing this procedure, follow the Pressure bronze bearing (B) with motor oil. Liberally pack the Relief Procedure Warning on page 23 to reduce roller bearing (C) with bearing grease.
  • Page 33 DRIVE HOUSING REPLACEMENT 6. Tap the drive housing (18) with a plastic mallet to WARNING loosen it from the front end bell, then pull it straight Before doing this procedure, follow the Pressure off. Relief Procedure Warning on page 23 to reduce the risk of a fluid injection injury , splashing in the eyes or in the skin, injury from moving parts or elec- CAUTION...
  • Page 34 MOTOR REPLACEMENT WARNING 13. Use a plastic mallet to gently tap the displacement pump (39) from the rear to loosen the drive housing Before doing this procedure, follow the Pressure (18) from the motor end bell (P). Pull the drive hous- Relief Procedure Warning on page 23 to reduce ing away from the motor end bell.

  • Page 35: Wiring Diagram

    WIRING DIAGRAM DETAIL BLUE Shows position of WHITE conduit seal (5) in YELLOW conduit connector (345) BLACK MOTOR LEADS BLACK WHITE MOTOR GREEN GROUND WIRE THERMAL SWITCH POWER SUPPLY CORD Fig 26 307–920...
  • Page 36 DISPLACEMENT PUMP WARNING 3. Remove the hose (47) from the nipple (46). Before doing this procedure, follow the Pressure 4. Push the retaining spring (35) up. Push out the pin Relief Procedure Warning on page 23 to reduce (20). the risk of a fluid injection injury , splashing in the eyes or in the skin, injury from moving parts or elec- 5.
  • Page 37 DISPLACEMENT PUMP REPAIR 3. Tighten the packing retaining nut (214) onto the pis- CAUTION Step 5 is critical. Follow the procedure carefully to ton valve. See the TORQUE note in Fig 29. avoid damaging the packings by overtightening. Note the alignment of the piston (224) to the pack- ing retainer nut (214).
  • Page 38 (27) will be dam- aged. Be sure to tighten the locknut firmly. 14. Tighten the packing nut (221) just enough to stop leakage, but no tighter. Fill the wet–cup/packing nut 1/3 full with Graco TSL. 307–920...

  • Page 39: Parts Drawing

    PARTS DRAWING PARTS LIST Model 222–341, Series A Displacement Pump NO. PART NO. DESCRIPTION Includes items 201 to 224 201 179–810 PLUG 203 105–444* BALL, sst 204 105–445* BALL, sst PTFE PTFE PTFE 205 108–706* SEAL, u–cup, NOTE: See the repair 206 150–429* GASKET, brass instructions for...
  • Page 40 PARTS DRAWING Model 231–081, Series B ID LABEL WARNING LABEL Ref 61 Ref 62 58 83 SEE PAGE 42 INSIDE OUTSIDE 307–920...

  • Page 41: Sprayer

    PARTS DRAWING – BASIC SPRAYER Model 231–081, Series B Includes items 1–88 Basic Sprayer NO. PART NO. DESCRIPTION NO. PART NO. DESCRIPTION 222–388 MOTOR, ELECTRIC 222–341 DISPLACEMENT PUMP Includes replaceable items 1a to 1c and SEE P AGE 39 FOR P ARTS 100–214 LOCKWASHER, one each of items 10 and 74...
  • Page 42 PARTS – PRESSURE CONTROL PRESSURE CONTROL ASSEMBLY 220–455 Includes all items listed below, except the terminals. Part numbers for items 1a, 1b, 5, 23, 87, 85, 86 shown in the drawings below and on page 43 are given on page 41. The terminals are included with the circuit board (item 23).
  • Page 43 WIRING DIAGRAM BLUE (1c) WHITE YELLOW BLACK Ref 85,86 BLACK WHITE MOTOR GREEN GROUND WIRE THERMAL SWITCH POWER SUPPLY CORD 307–920...
  • Page 44 ACCESSORIES FLUID HOSE, Grounded, Nylon SUCTION TUBE KIT 208–259 3000 psi (210 bar) Maximum Working Pressure 55 gallon (200 liter) size Includes: 210–541 1/4” ID; cpld 1/4 npsm(f); 50 ft (15m) spring guards both ends PART NO. DESCRIPTION 214–701 3/16” ID; cpld 1/4 npsm(f);3 ft (.9 m) spring guards both ends 156–589 UNION, 90 , 3/4 npt(f) x 3/4 npt(f) sw...
  • Page 45 TECHNICAL DATA Power Requirements ....115 VAC, 60Hz, 1 phase, 15 amp minimum Working Pressure Range ......0–3000 psi (0 –...
  • Page 46 SERVICE INFORMATION Listed below by the asembly changed are OLD, NEW , ADDED and DELETED parts. Numbers in parentheses in the Part Status column indicate a quantity change. OLD and new parts are directly interchangeable. ADDED and DELETED parts may not be interchangeable singly. ASSEMBLY PART PART...
  • Page 47 307–920...
  • Page 48 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, which will be repaired or replaced for twenty–four months from the date of sale and...

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