Graco IronMax V Repair Manual
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Graco IronMax V Repair Manual

Graco IronMax V Repair Manual

Electric airless sprayer
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Repair
IronMax V Electric Airless Sprayer
For professional use only.
For the application of architectural paints and coatings.
Not approved for use in European explosive atmosphere locations.
Model 278667
3300 psi (22.7 MPa, 227 bar) Maximum Working Pressure
Important Safety Instructions
Read all warnings and instructions in this
manual. Save these instructions.
Related Manuals:
310643
308491
309640
332252A
EN
ti21122a

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Summary of Contents for Graco IronMax V

  • Page 1 Repair 332252A IronMax V Electric Airless Sprayer For professional use only. For the application of architectural paints and coatings. Not approved for use in European explosive atmosphere locations. Model 278667 3300 psi (22.7 MPa, 227 bar) Maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual.

  • Page 2: Table Of Contents

    Wiring Diagram ......27 Graco Standard Warranty ....28...

  • Page 3: Warnings

    All parts of the spray sys- tem, including the pump, hose assembly, spray gun, and objects in and around the spray area shall be properly grounded to protect against static discharge and sparks. Use Graco conductive or grounded high-pressure airless paint sprayer hoses.
  • Page 4 Check hoses and parts for signs of damage. Replace any damaged hoses or parts. • This system is capable of producing 3300 psi (22.7 MPa, 227 bar). Use Graco replacement parts or accessories that are rated a minimum of 3300 psi (22.7 MPa, 227 bar).
  • Page 5 Warnings WARNING WARNING WARNING WARNING PERSONAL PROTECTIVE EQUIPMENT Wear appropriate protective equipment when in the work area to help prevent serious injury, including eye injury, hearing loss, inhalation of toxic fumes, and burns. This protective equipment includes but is not limited to: •...

  • Page 6: Pressure Relief Procedure

    Pressure Relief Procedure Pressure Relief Procedure Follow the Pressure Relief Procedure whenever 4. Turn pressure to lowest setting. Trigger gun to you see this symbol. relieve pressure. 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 Pro- ti21125a...

  • Page 7: Troubleshooting

    Troubleshooting Troubleshooting Mechanical/Fluid Flow Perform Relieve Pressure Procedure, page 6. WHAT TO CHECK WHAT TO DO TYPE OF PROBLEM If check is OK, go to next check When check is not OK, refer to this column Pump output is low Spray tip worn Follow Pressure Relief Procedure on page 6, then replace tip.
  • Page 8 Troubleshooting WHAT TO CHECK WHAT TO DO TYPE OF PROBLEM If check is OK, go to next check When check is not OK, refer to this column Motor runs but pump does Displacement pump pin damaged or Replace pump pin if missing. Be sure retainer not stroke missing;...

  • Page 9: Electrical Troubleshooting

    Troubleshooting Electrical Troubleshooting Symptom: Sprayer does not run, stops running, or will not shut off. Keep clear of electrical and moving parts during trou- Perform Pressure Relief Procedure; page 6. Wait 5 bleshooting procedures. To avoid electrical shock haz- minutes before servicing. ards when covers are removed for troubleshooting, wait 5 minutes after unplugging power cord for stored elec- tricity to dissipate.
  • Page 10 Troubleshooting TYPE OF PROBLEM WHAT TO CHECK HOW TO CHECK Sprayer does not run at all Check transducer or transducer Set sprayer to OFF and disconnect power to connections (control board is not sprayer. Digital display shows E=03 detecting a pressure signal). Check transducer and connections to control board.
  • Page 11 Troubleshooting TYPE OF PROBLEM WHAT TO CHECK HOW TO CHECK Sprayer does not run at all Control is commanding motor to run Remove pump pin and try to run sprayer. If motor but motor shaft does not rotate. runs, check for locked or frozen pump. If sprayer Digital display shows E=05 Possibly locked rotor condition, an does not run, continue to step 2.
  • Page 12 Set meter to read kohms. Meter should read the proper resistance (see table below). Resistance Table: IronMax V 8.2k ohms ti13140a If meter reads proper resistance, reconnect thermal device connector to control board socket. Connect power, turn sprayer ON and control knob 1/2 turn clockwise.
  • Page 13 Troubleshooting TYPE OF PROBLEM WHAT TO CHECK HOW TO CHECK Sprayer does not run at all Check to see if control board is over Set sprayer to OFF and disconnect power to heating. sprayer. Digital display shows E=10 2. Make sure motor air intake is not blocked. Make sure fan has not failed.
  • Page 14 Troubleshooting Sprayer Will Not Shut Off 1. Perform Pressure Relief Procedure, page 6. 2. Remove control box cover so the control board Leave prime valve open and power switch OFF. status light can be viewed if available. Troubleshooting Procedure Plumb pressure gauge into paint Mechanical problem: See the proper hose, plug sprayer in, and turn power fluid pump manual for the sprayer for...
  • Page 15 Troubleshooting Sprayer Will Not Run (See following page for steps) Remove control box cover. Turn sprayer ON. Observe control board status light on control board See Step 2. Do (see page 9). you have over See Step 1. Do Repair or No light 100 AC you have over 100...

  • Page 16: 230V Models

    Troubleshooting 230V Models: STEP 1: STEP 2: Plug power cord in Plug power cord in 200-240V 200-240V and turn switch ON. and turn switch ON. Connect probes to Connect probes to on/off switch. Turn on/off switch. Turn meter to AC Volts. meter to AC Volts.
  • Page 17 Troubleshooting Sprayer Will Not Shut Off 1. Perform Pressure Relief Procedure; page 6. 2. Remove control box cover so the control board Leave prime valve open and power switch OFF. status light can be viewed if available. Troubleshooting Procedure Plumb pressure gauge into paint Mechanical problem: See the proper hose, plug sprayer in, and turn power fluid pump manual for the sprayer for...

  • Page 18: Sprayer Shrouds

    Sprayer Shrouds Sprayer Shrouds Removal Installation 1. Replace front shroud (51) and tighten screws (31) to 4.5 - 5.1 N•m (40 - 45 in-lb). 1. Perform Relieve Pressure Procedure, page 6. Wait 5 minutes before servicing. Unplug power cord. 2. Remove two screws (31) and two screws (13) and remove rear shroud (58).

  • Page 19: Pressure Control Board

    Pressure Control Board Pressure Control Board Removal 8. Remove grommet and disconnect wiring harness and three wiring connectors. 1. Perform Relieve Pressure Procedure, page 6. Wait 5 minutes before servicing. 2. Remove shroud, page 18. 3. Remove four screws (38) on back cover. Remove cover.

  • Page 20: Installation

    Pressure Control Board Installation 5. Install ground wire and tighten screw (26). Recon- nect all wiring (see Wiring Diagram, page 27). Torque to 2.5 - 3.2 N•m (22 - 28 in-lb). 1. Install pressure control board (69) and tighten four screws (38).

  • Page 21: Pressure Adjust Potentiometer

    Pressure Adjust Potentiometer Pressure Adjust Potentiometer Removal Installation 1. Screw replacement potentiometer into place and replace gasket (115). 1. Perform Relieve Pressure Procedure, page 6. Wait 5 minutes before servicing. Unplug power cord. 2. Disconnect potentiometer wire. ti21141a 2. Rotate new potentiometer shaft to highest pressure setting (fully clockwise) and install knob (34).

  • Page 22: Pressure Control Transducer

    Pressure Control Transducer Pressure Control Transducer Removal 6. Remove wire from retaining clip. 7. Remove transducer wiring protector (88). 8. Use wrench to unscrew and remove transducer (86). 1. Perform Relieve Pressure Procedure, page 6. Wait 5 minutes before servicing. Unplug power Installation cord.

  • Page 23: Drive And Bearing Housing

    Drive and Bearing Housing Drive and Bearing Housing Installation NOTICE NOTICE Make sure gear and thrust washers are in place. Do not drop gear cluster (89) when removing drive Brush grease onto gear teeth. housing (90). Gear cluster may stay engaged in motor front end bell or drive housing.

  • Page 24: Pump Replacement

    Pump Replacement Pump Replacement Removal 6. Disconnect hose (94) and remove suction tube (47), strainer (48), and o-rings (40). 1. Perform Relieve Pressure Procedure, page 6. Wait 5 minutes before servicing. 2. Flush pump. 3. Remove screws (31) and pump rod covers (96). ti21127a 7.

  • Page 25: Installation

    4. Push pump up until pump threads engage. ti13094a ti13100a 10. Fill packing nut with Graco TSL until fluid flows onto 5. Screw in pump until threads are flush with drive top of seal. housing opening. align pump outlet to back.

  • Page 26: Motor Replacement

    Motor Replacement Motor Replacement Removal Installation 1. Replace motor (84), two angled brackets (18), and tighten four mounting bolts (37) and nuts (19) under- neath sprayer. NOTE: Make sure motor is centered on frame mounting plate. NOTICE Torque to 23.1 - 31.3 N•m (17 - 23 ft-lb). Do not drop gear cluster (89) when removing drive housing (90).

  • Page 27: Wiring Diagram

    Wiring Diagram Wiring Diagram Thermal Switch Potentiometer Motor Pressure Transducer Black Motor Leads Motor Sensor Leads Black Blue Blue ON/OFF Switch Brown green/ground Blue Brown + Power Plug ti21134a 332252A...

  • Page 28: 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.

This manual is also suitable for:

278667

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