Graco E-Mix XT Operation Instructions Manual
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Graco E-Mix XT Operation Instructions Manual

Graco E-Mix XT Operation Instructions Manual

Plural-component system used for proportioning, mixing, and spraying two component coatings.
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Operation
E-Mix™ XT
Plural-component system used for proportioning, mixing, and spraying two component coatings.
Not approved for use in explosive atmospheres or hazardous (classified) locations.
For professional use only.
5000 psi (34.5 MPa, 345 bar) Maximum Working Pressure
See page 4 for model information, including approvals
Important Safety Instructions
Read all warnings and instructions in this manual and in related
manuals before using the equipment. Be familiar with the proper
control and usage of the equipment. Save these instructions.
Use only genuine Graco replacement parts.
The use of non-Graco replacement parts may void warranty.
3B0221E
EN

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Summary of Contents for Graco E-Mix XT

  • Page 1 Read all warnings and instructions in this manual and in related manuals before using the equipment. Be familiar with the proper control and usage of the equipment. Save these instructions. Use only genuine Graco replacement parts. The use of non-Graco replacement parts may void warranty.

  • Page 2: Table Of Contents

    Connecting Heated Hose to Proportioner ..22 Graco Standard Warranty....48 Connect Static Mixers, Spray Gun, and Hoses . 22 Solvent Pump (FP) .

  • Page 3: Related Manuals

    ™ Ratio Check Kit, Installation - Parts Supplied Manuals The following manuals and quick guides are shipped with the E-Mix XT. Refer to these manuals and quick guides for detailed equipment information. Manuals are also available at www.graco.com. English Manual...

  • Page 4: Standard Models

    Standard Models Standard Models Maximum Working Part Pressure Description Approvals psi (MPa, bar) Sprayer, E-Mix XT, 2004087 200-240 VAC, 1ph 5024314 5000 psi Certified to (34.5 MPa, 345 bar) CAN/CSA C22.2 No. 88 Conforms to ANSI/UL 499 Sprayer, E-Mix XT,...

  • Page 5: Safety Symbols

    Safety Symbols Safety Symbols The following safety symbols appear throughout this manual and on warning labels. Read the table below to understand what each symbol means. Symbol Meaning Symbol Meaning Toxic Fluid or Fumes Hazard Burn Hazard Do Not Place Hands or Other Body Crush Hazard Parts Near Fluid Outlet Do Not Stop Leaks with Hand,...

  • Page 6: General Warnings

    General Warnings General Warnings The following warnings apply throughout this manual. Read, understand, and follow the warnings before using this equipment. Failure to follow these warnings can result in serious injury. DANGER SEVERE ELECTRIC SHOCK HAZARD This equipment can be powered by more than 240 V. Contact with this voltage will cause death or serious injury.
  • Page 7 General Warnings WARNING SKIN INJECTION HAZARD High-pressure fluid from gun, hose leaks, or ruptured components will pierce skin. This may look like just a cut, but it is a serious injury that can result in amputation. Get immediate surgical treatment. •...
  • Page 8 General Warnings WARNING EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury. • Do not operate the unit when fatigued or under the influence of drugs or alcohol. • Do not exceed the maximum working pressure or temperature rating of the lowest rated system component.
  • Page 9 General Warnings WARNING PERSONAL PROTECTIVE EQUIPMENT Always wear appropriate personal protective equipment and cover all skin when spraying, servicing equipment, or when in the work area. Protective equipment helps prevent serious injury, including long-term exposure; inhalation of toxic fumes, mists or vapors; allergic reaction; burns; eye injury and hearing loss.

  • Page 10: Important Isocyanate (Iso) Information

    Important Isocyanate (ISO) Information Important Isocyanate (ISO) Information Isocyanates (ISO) are catalysts used in two component materials. Isocyanate Conditions Keep Components A and B Separate Spraying or dispensing fluids that contain isocyanates creates potentially harmful mists, vapors, and Cross-contamination can result in cured material in atomized particulates.

  • Page 11: Moisture Sensitivity Of Isocyanates

    Important Isocyanate (ISO) Information Moisture Sensitivity of Changing Materials Isocyanates NOTICE Exposure to moisture (such as humidity) will cause ISO Changing the material types used in your to partially cure, forming small, hard, abrasive crystal equipment requires special attention to avoid that become suspended in the fluid.

  • Page 12: Usage

    Usage Usage Over Pressure Protection The plural-component sprayer can mix and spray most two component epoxy and urethane protective coatings. It is a variable-ratio system, where settings in the Advanced Display Module can be changed to To reduce the risk of injury due to skin injection, reconfigure the system to different volume mix ratios or perform the following: spray pressures.

  • Page 13: Component Identification

    Component Identification Component Identification Proportioner Key: Cart Electrical Enclosure Panel ‘B’ Displacement Pump Primary Heater ‘A’ Motor ‘A’ Hopper (Blue) ‘B’ Hopper (Green) ‘B’ Motor Mix Manifold Brake ‘A’ Displacement Pump 'B' Side Recirculation/Pressure Relief Lines 'A' Side Recirculation/Pressure Relief Lines Solvent Flush Valve Solvent Flush Suction Set Spray Gun...

  • Page 14: Fluid Control Assembly (System Mounted)

    Component Identification Fluid Control Assembly (System Mounted) Fluid Control Assembly (Remote Mounted) Key: AA Recirculation Manifold Assembly AB Mix Manifold Assembly AC Recirculation Handle AD Solvent Flush Valve AE Dual Shutoff Handle AF Fluid Pressure Gauges AG A and B Combined Outlet; 3/8 npt(m) AH Fluid Recirculation Outlet AJ B Component Adjustable Fluid Restrictor...

  • Page 15: Temperature Control Module (Tcm)

    Component Identification Temperature Control Module (TCM) Ref. Description Ref. Description B Heater Temperature Input Main Power Input TCM LED Status Lights Heater Over-Temperature Inputs Temperature Control Module TC3A, TC3B CAN Communications Main Power Switch Power Supply 24VDC Input A/B Heater Power Outputs A Heater Temperature Input 3B0221E...

  • Page 16: Solvent Pump

    Component Identification Solvent Pump Key: FP Solvent Pump BB Siphon Tube BE Solvent Prime Valve BF Solvent Supply Hose BG Solvent Prime/Drain Hose DB Solvent Pump Control Knob DC Filter DD Fluid Inlet Strainer DE Material Deflector DF Solvent Pump ON/OFF Switch 3B0221E...

  • Page 17: System Components

    System Components System Components Heaters Fluid Line Components Recirculation Manifold Assembly (AA) Primary Heater (F) Controls recirculation and pump priming. The fluid heater heats resin and hardener before the materials combine in the Mix Manifold Assembly. The Mix Manifold Assembly (AB) heater improves chemical reaction and lowers viscosity of material to improve the spray pattern.

  • Page 18: Setup

    Manuals listed on page 3 for all warnings and instructions. Any additional manuals not listed on Location page 3 can be found at www.graco.com. Locate the Proportioner on a level surface. Apply 4. Confirm electric power requirements and make Brakes to prevent movement. Follow the Proper Lifting sure a properly sized electrical cord is used, see of Sprayer procedure.

  • Page 19: Proper Lifting Of Sprayer

    Setup Proper Lifting of Sprayer Grounding Follow these instructions to help prevent serious injury or damage to equipment. Never lift while a The equipment must be grounded to reduce the risk Hopper is filled. of static sparking and electric shock. Electric or static sparking can cause fumes to ignite or explode.

  • Page 20: Connect Power Source

    Setup Connect Power Source Use the intended entry locations shown in Wiring Diagram, page 21. 1. Turn the Main Power Switch (MP) off. Improperly installed or connected equipment may result in serious injury from fire, explosion, or electric 2. Open the Electrical Enclosure Panel (ZC) by shock.
  • Page 21 Setup Wiring Diagram 3B0221E...

  • Page 22: Connecting Heated Hose To Proportioner

    Setup Connecting Heated Hose to Connect Static Mixers, Spray Proportioner Gun, and Hoses 1. Disconnect the Solvent Supply Hose (BF) from the System Mounted Configuration Solvent Flush Valve (AD). 1. Connect the outlet of the two Primary Static Mixer 2. Remove the two fasteners holding the Mix Manifold Tubes with mixer elements (AW) to the Mix Hose Assembly (AB) to the frame.

  • Page 23: Solvent Pump (Fp)

    Setup Solvent Pump (FP) Remote Mounted Configuration 1. Connect the outlet of the two Primary Static Mixer Before starting, fill wet cup 1/3 full with Graco Throat Tubes (AW) to the Spray Gun and hose assembly ™ Seal Liquid (TSL ) or compatible solvent.

  • Page 24: Operation

    Operation Operation 5. Move the recirculation lines (U) to grounded empty containers. Flush Before Using Equipment 1. Connect system to appropriate power source. 2. Turn the Main Power Switch (MP) ON. 6. Fill the “A” and “B” Hoppers (H and J) with respective material, up to 6 gallons.

  • Page 25: Startup/Recirculate

    Operation Startup/Recirculate 8. Open the Recirculation Handle (AC). NOTE: Use recirculation mode to prime and to condition materials prior to spraying; agitating and heating materials evenly. To bring spray material up to temperature, the material needs to circulate through the heaters while adjusting the heater set point to the desired temperature.

  • Page 26: Prime Solvent Pump

    Operation Prime Solvent Pump 2. Open the Recirculation Handle (AC). 1. Connect a ground wire (not included) to a metal pail of solvent. 2. Place the Siphon Tube (BB) and the solvent circulation hose (BG) in the pail of solvent. Recirculate TI00936A 3.
  • Page 27 Operation 4. Turn Solvent Pump (DF) ON. Slowly turn the 6. Ensure the trigger lock (TL) is engaged. Remove the Solvent Pump Control Knob (DB) clockwise to spray tip. prime the Solvent Pump and route solvent back to the pail. Close the Solvent Prime Valve (BE) to switch from prime position to spray position.
  • Page 28 Operation 8. Slowly turn the Solvent Pump Control Knob 10. Close the Solvent Flush Valve (AD). clockwise to push air out of the Mix Hose and Spray Gun. Continue to hold the metal part of the Spray Gun firmly against the side of the grounded metal pail and trigger the Spray Gun until all air is purged.

  • Page 29: Spray

    Operation Spray 1. Follow the Prepare your materials prior to adding to Hoppers. Ensure resin materials are thoroughly agitated, homogeneous, and pourable prior to adding them to the Hopper. Stir hardeners back into suspension prior to adding material to the Hopper. procedure on page 24.
  • Page 30 Operation 5. Engage the trigger lock (TL). Remove the spray tip. 10. Check and record gauge readings frequently during operation. A change in gauge readings indicates a change in system performance. NOTE: A pressure drop occurs during pump stroke changeover. It should be quick. 11.

  • Page 31: Adjust The Restrictor

    Operation Adjust the Restrictor The B Component Adjustable Fluid Restrictor (AJ) reduces momentary “lead/lag” ratio imbalance of the A and B flow into the Static Mixer Tubes (AW) when the Spray Gun opens. The imbalance is caused by differences in viscosity, volume, and hose expansion. The restrictor is used primarily when the Mix Manifold Assembly is positioned remotely from the machine with a short Mix Hose to the Spray Gun.

  • Page 32: Pressure Relief Procedure

    Operation Pressure Relief Procedure 7. Close the Dual Shutoff Handle (AE). Follow the Pressure Relief Procedure whenever you see this symbol. This equipment stays pressurized until pressure is manually relieved. To help prevent serious injury from pressurized fluid, such as skin injection, splashing fluid and moving parts, follow the Pressure Relief Procedure when you stop spraying and before cleaning, checking, or servicing the equipment.

  • Page 33: Solvent Pump Pressure Relief

    Operation Solvent Pump Pressure Relief 6. If you suspect the spray tip or hose is clogged or that the pressure has not been fully relieved: a. Using a wrench, VERY SLOWLY loosen the tip guard retaining nut or the hose end coupling to relieve pressure gradually.
  • Page 34 Operation Flush Mixed Material Flush Material Lines Procedure 1. Follow the Flush Mixed Material procedure, page 1. Follow the Pressure Relief Procedure, page 32. 2. Turn the Solvent Pump ON and reduce it to the 2. Close the Recirculation Handle (AC). Open the Dual lowest pressure.
  • Page 35 Operation 8. Lift to close the Dual Shutoff Handle (AE). 10. Fill the pump packing nuts of the Displacement Pumps with Graco Throat Seal Liquid (TSL). NOTCE Always leave some type of fluid, such as solvent or oil, in the system to prevent scale build up. This build up can flake off later and cause damage to the equipment.

  • Page 36: Ratio Check

    Operation Ratio Check 3. Set the Advanced Display Module to Ratio Check Mode level R5. 1. Place beakers or other graduated containers 4. Set the Advanced Display Module ratio setpoint to marked 750cc or 1000cc into the correct position the proper material ratio. below A and B on your proportioner.

  • Page 37: Overnight Shutdown

    Operation Overnight Shutdown 10. Dispense a minimum of 200cc on the minor side and a minimum of 1000cc overall. A sample with a larger combined volume will result in a more accurate ratio measurement. Move the ratio handle up to close position. 1.

  • Page 38: Advanced Display Module (Adm)

    The USB drive detected Upload Complete and a download/upload has completed successfully. USB Error The USB drive detected but an error is preventing it from being used. Home Screen Use the Home Screen to control the E-Mix XT system operation functions. 3B0221E...
  • Page 39 Advanced Display Module (ADM) Temperature Control Panel A and B side Supply Control Panels The Temperature Control panel contains controls for A The A and B Supply Control panels display the and B-side Primary Heaters. remaining material supply for A and B side materials. Icon Name Description...
  • Page 40 Tap the number to open check box to enable the feature. When enabled, the pop-up and type in set point directly. E-Mix XT pump will shut off after the specified volume. Proportioner Tap +/- to adjust the set point by Jog Level one level.
  • Page 41 Software Version System software version. E-Mix XT system during operation. Usage The Usage screen shows pump cycle counts and material usage for each day of use of the E-Mix XT system. 3B0221E...
  • Page 42 NOTE: enter 0000 (default value) Tap the number to adjust the jog to disable the password. cycle limit. When enabled and in jog mode, the E-Mix XT pump will Temperature Units Display and USB download automatically shutoff when the temperature units.

  • Page 43: Maintenance

    Maintenance Maintenance Filters Cleaning Procedure Once a week check, clean, and replace (if needed) the Spray Gun handle filter; see your Spray Gun manual. Seals Once a week, check and tighten throat seals on both pumps (see table for torque specifications). Follow the Pressure Relief Procedure, page 32, prior to 1.

  • Page 44: Displacement Pumps

    Maintenance Displacement Pumps Solvent Pump Check packing nut. Torque to 25-30 ft-lb (34-41 N•m). Keep the wet cup half filled with Graco Throat Seal Keep the wet cup half filled with Graco Throat Seal Liquid (TSL). Liquid (TSL). Agitators (if equipped)

  • Page 45: Recycling And Disposal

    Recycling and Disposal Recycling and Disposal This section includes information on how to properly recycle and dispose of a product at the end of its useful life. End of Product Life At the end of the product’s useful life, dismantle and recycle it in a responsible manner.

  • Page 46: Accessories

    Lower Strainer and Valve Kit, 256653 XT system. See your feed pump and agitator kits manual for more information. For straining material from a feed pump to an E-Mix XT system fluid inlet. See lower strainer and valve kit 2:1 Drum Feed Kit, 256232 manual for more information.

  • Page 47: Dimensions

    Dimensions Dimensions 3B0221E...

  • Page 48: Technical Specifications

    Technical Specifications Technical Specifications E-Mix XT U.S. Metric Output Maximum System Fluid Working Pressure 5000 psi 345 bar, 34,5 MPa Maximum Flush Pump Working Pressure 3300 psi 228 bar, 22.8 MPa 5 years (To maintain original performance, replace soft Maximum Storage Time...

  • Page 49: Graco Standard Warranty

    With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.
  • Page 50 Original instructions. This manual contains English. MM 3B0221 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Korea GRACO INC. AND SUBSIDIARIES • P.O. BOX 1441 • MINNEAPOLIS MN 55440-1441 • USA Copyright 2024, Graco Inc. All Graco manufacturing locations are registered to ISO 9001. www.graco.com...

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2004087200408820055652005567

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