WAGNER ProSpray 20 Service Manual
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Service manual with electrical
repair instructions for electri-
cally instructed persons of the
J. Wagner GmbH
ProSpray 20
2406804 A
07 / 2019

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Summary of Contents for WAGNER ProSpray 20

  • Page 1 Service manual with electrical repair instructions for electri- cally instructed persons of the J. Wagner GmbH ProSpray 20 2406804 A 07 / 2019...
  • Page 3: Table Of Contents

    Replacing the AC motor ______________________ 32 REPAIRS AT THE UNIT _______________________ 8 MACHINE-SPECIFIC DOCUMENTS ____________ 33 Relief valve __________________________________8 Connection diagram PROSPRAY 20 _____________ 33 Inlet and outlet valve __________________________9 Packings___________________________________ 10 Replacing the motor ________________________ 11 Carbon brushes in motor...
  • Page 4: General Safety Instructions

    ProSpray 20 3. Safety of Persons GENERAL SAFETY INSTRUCTIONS a) Be attentive. Pay attention to what you are doing and work sensibly with a power tool. Do not use the power WARNING! Read all safety information, instructions, tool if you are tired or under the influence of drugs, illustrations and technical data provided with alcohol or medication.
  • Page 5: Safety Regulations For Airless Spraying

    ProSpray 20 d) Store unused power tools so that they are inaccessible EXPLOSION PROTECTION to children. Do not let persons use the tool who are not familiar with it or who have not read these Do not use the unit in work places which are instructions.
  • Page 6 Do not spray any liquid of unknown hazard potential. Lay the high-pressure hose in such a way as to ensure that  it cannot be tripped over. Only use WAGNER original-high-pressure hoses in order to ensure functionality, safety and durability.
  • Page 7 ProSpray 20 2.17 CLEANING THE UNIT When cleaning the gun, only rinse when the nozzle is re- moved and rinse at low pressure. When cleaning the unit with solvents, the solvent should never be sprayed or pumped back into a container with a small opening (bunghole).
  • Page 8: Technical Data

    ProSpray 20 REPAIRS AT THE UNIT TECNICAL DATA Voltage Switch the unit OFF. Before all repair work: Unplug the power plug 100-110 VAC~, 50/60 Hz or from the outlet. 220-240 VAC~, 50/60 Hz Max. current consumption 100-110 VAC~ 11.0 A...
  • Page 9: Inlet And Outlet Valve

    ProSpray 20 INLET AND OUTLET VALVE 1. Remove the four screws in the front cover and then 10. Unscrew outlet valve housing (Fig. 11, Item 7) from the remove the front cover. piston (8) with adjusting wrench. 2. Switch the unit ON and then OFF so that the piston rod is 11.
  • Page 10: Packings

    ProSpray 20 PACKINGS 1. Remove inlet valve housing in accordance with the steps 10. Insert upper packing (Fig. 13) with O-ring (1) and in Chapter 4.2. protruding lip (2) downward. 2. It is not necessary to remove the outlet valve.
  • Page 11: Replacing The Motor

    ProSpray 20 REPLACING THE MOTOR 1. Open the relief valve, valve position PRIME ( circulation), switch the unit OFF, and unplug the power cord. 2. Remove the four motor cover screws (Fig. 15, Item 1). Remove the motor cover (2).
  • Page 12: Replacing The Gears

    ProSpray 20 REPLACING THE GEARS REPLACING THE TRANSDUCER 1. Open the relief valve, valve position PRIME ( 1. Open the relief valve, valve position PRIME ( circulation), switch the unit OFF, and unplug the power circulation), switch the unit OFF, and unplug the power cord.
  • Page 13 ProSpray 20...
  • Page 14: Spare Parts

    ProSpray 20 SPARE PARTS MAIN ASSEMBLY Part No.* Description 0552 300 Motor shroud 9805 287 Screw (4) 0558 555 Power cord jumper 0551 714 Cord grip (2) 9800 340 Ground screw 2409 554 Sevice Set heat sink cover 0509550 Screw (4)
  • Page 15 ProSpray 20 BS4343 0532 253 ~110V CEE 7/7 0558 465 220V-240V~...
  • Page 16: Fluid Section

    ProSpray 20 FLUID SECTION Part No.* Description 730-508 Retainer 700-587 Piston guide 0551 112 Transducer assembly 806-106 Fluid section housing 227-006 Fitting 0507 690 Bypass valve assembly 0507 745 Gasket 0509 151 Service Set piston 762-137 Inlet valve seat 0551 533...
  • Page 17 ProSpray 20 11** 12** 13** 14** 16** ** Only available as part of a Service Set...
  • Page 18: Drive Assembly

    ProSpray 20 DRIVE ASSEMBLY Part No.* Description 806-100A Housing assembly (includes item 8) 704-174 Thrust washer 0508 572A Gear/crankshaft assembly 704-176 2nd stage gear 0558 314A Motor assembly, 230V 0558 353A Motor assembly, 110V 2409 556 Service Set 4 screws and 4 washers...
  • Page 19: Motor Assembly

    ProSpray 20 MOTOR ASSEMBLY Part No.* Description 0551 967 Capacitor assembly, 230V 0522 100 Capacitor assembly, 110V 0551174A Motor, 230V 0551 540 Motor, 110V 0532278A Circuit board 704-276 Motor brush kit * Order number for 1 piece. Quantities in brackets indicate...
  • Page 20: Stand Assembly

    ProSpray 20 STAND ASSEMBLY Part No.* Description 2406 861 Leg, left (incl. item 3) 2406 862 Leg, right (incl. item 3) 9885 546 Plug * Order number for 1 piece. Quantities in brackets indicate the total number in the assembly.
  • Page 21: Suction System

    ProSpray 20 SUCTION SYSTEM Part No.* Description 0558672A Siphon tube assembly (includes items 1-8) 0558659A Return tube 0279459 Clip 0295565 Inlet screen 9871105 O-ring (2) 704-109 O-ring (for hot solvents, optional) (2) 9822526 Retaining clip 9850638 Tie wrap 0327226 Return tube clamp * Order number for 1 piece.
  • Page 22: Basic Principles

    ProSpray 20 BASIC PRINCIPLES ELECTRICALLY INSTRUCTED PERSON In order to carry out work on electrical systems and equipment, a person must at least have training as an electrically instructed person. However, an electrically instructed person is not authorised to autonomously set up, modify or repair electrical systems and equipment.
  • Page 23: Five Safety Rules

    ProSpray 20 Contents of BGV A3: The test as per BGV A3 is divided into a visual and a metrological test. Visual inspection: - Protective conductors (protection class I ) - Insulating parts - Housing - Connecting cables - Typeplate...
  • Page 24: Categorisation Of Protection Classes

    ProSpray 20 Earthing and short-circuiting After ensuring safe isolation from the supply, the conductors and earthing must be connected together with short-circuit-proof earthing and shorting jumpers. With this measure, the upstream overcurrent protective devices trigger and the system is imme- diately isolated in the event of inadvertent restoration of power.
  • Page 25: Explanation Of Electric Variables And Components

    ProSpray 20 EXPLANATION OF ELECTRIC VARIABLES AND COMPONENTS Dimensional unit Arithmetic unit Explanation Electric current in ampere Electric voltage in volts Electric voltage in kilo-volts Apparent electric power Electric power in watts Electric power in kilowatts Electric power in kilowatt hours Ω...
  • Page 26 ProSpray 20 Operating voltage The operating voltage is the voltage present between the conductors during full function. External conductor External conductors are live conductors. Neutral conductor A neutral conductor is connected to the neutral point and star point, and is capable of contributing to the transmission of elec- trical energy.
  • Page 27: Functional Test Work Instructions

    ProSpray 20 FUNCTIONAL TEST WORK INSTRUCTION FUNCTIONAL TEST OF CORD SET 1. Ensure safe isolation from the supply before commencing work. 2. A multimeter or test buzzer should be used for testing. The function should be checked fi rst of all.
  • Page 28: Functional Test Of Switches/Buttons

    ProSpray 20 FUNCTIONAL TEST OF SWITCHES/BUTTONS 1. Ensure safe isolation from the supply before commencing work. 2. A multimeter or test buzzer should be used for testing. The function should be checked fi rst of all. 3. First disconnect all electrical connections at the switch or button.
  • Page 29: Functional Test Of The Threephase Motor

    ProSpray 20 FUNCTIONAL TEST OF THE THREEPHASE MOTOR 1. Ensure safe isolation from the supply before commencing work. 2. A multimeter should be used for testing; this must be set to ohm (Ω) and tested. 3. In order to obtain a reliable and meaningful measurement, all cables of the motor must be disconnected fi rst of all. Note down the connection plan.
  • Page 30: Replacing A 400 V Cord Set

    ProSpray 20 REPLACING A 400 V CORD SET 1. Ensure safe isolation from the supply before commencing work. 2. First of all loosen the strain relief until the cable can be freely moved. 3. Disconnect the defective cable, noting the exact pin assignment.
  • Page 31: Replacing The Earthing Contact Socket

    ProSpray 20 REPLACING THE EARTHING CONTACT SOCKET 1. Ensure safe isolation from the supply before commencing work. 2. Loosen the fastening screws and remove the socket from the housing. 3. Loosen and remove all cables at the earthing contact socket, noting the contact confi guration.
  • Page 32: Replacing The Ac Motor

    ProSpray 20 REPLACING THE AC MOTOR 1. Ensure safe isolation from the supply before commencing work. 2. First disconnect the defective motor, noting the exact pin assignment. 3. Now replace the motor. 4. Observe the pin assignment noted in point 2 when connecting the individual wires.Also ensure secure contact when con- necting the wires.
  • Page 33: Machine-Specific Documents

    ProSpray 20 MACHINE-SPECIFIC DOCUMENTS CONNECTION DIAGRAM PROSPRAY 20...

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