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Husqvarna PW 345C Workshop Manual

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Workshop manual
PW 345C, PW 350, PW 360
English

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  Summary of Contents for Husqvarna PW 345C

  • Page 1 Workshop manual PW 345C, PW 350, PW 360 English...
  • Page 2: Table Of Contents

    4.1.2 Recommended lubrication ........18 4.1.3 Recommended glue ..........18 4.1.4 Tools ..............18 4.2 Motor pump function <Machine stopped and hose emptied>, PW 345C only ..19 4.3 Motor pump function <Machine operation>, PW 345C only ........19 4.4 Motor pump function <Machine standby>, PW 345C only ........20...
  • Page 3: Introduction And Safety Regulations

    Introduction and safety regulations 1 Introduction and safety regulations 1.1 General 1.4.2 Special safety instructions This workshop manual gives a full description of how to WARNING: Inhalation of aerosols can be do troubleshooting, repair and test of the high pressure hazardous to health.
  • Page 4 Introduction and safety regulations WARNING: Appropriate ear protection must be used. WARNING: Never use the machine in an environment where there could be a danger of explosion. If any doubt arises, contact the local authorities. WARNING: It is not allowed to clean asbes- tos containing surfaces with high pressure.
  • Page 5: Repair Instructions

    Repair instructions 2 Repair instructions 2.1 Product overview 2.1.1 Cabinet parts overview, PW 345C, PW 350, PW360 Max. Torque for plastic screws: 2,0 Nm PW 350 PW 360 English – 5...
  • Page 6: Hose Reel Overview

    Repair instructions 2.1.2 Hose reel overview 6 – English...
  • Page 7: Motor/Pump Unit Overview

    Repair instructions 2.1.3 Motor/pump unit overview 4 Nm Loctite 245 16 Nm 4 Nm Loctite 245 16 Nm 16 Nm English – 7...
  • Page 8: To Disassemble/Assemble The Front Cabinet

    Repair instructions 2.2 To disassemble/assemble the 2.3 To disassemble/assemble the front cabinet pump cover 1. Tools: Torx 20 screwdriver. 1. Tools: Torx 20 screwdriver. 2. Remove the 2 torx TX20 screws (A) from the bottom. 2. Remove 1 torx TX20 screw (A). Then remove the feet.
  • Page 9: To Disassemble/Assemble The Start/Stop System

    Repair instructions 2.4 To disassemble/assemble the 2.5 To disassemble/assemble the start/stop system switch box cover 1. Remove the micro switch box by hand. Now you have 1. Tools: Torx 20 screwdriver. free access to the start/stop valve. 2. Remove 1 torx TX20 screw (A). 2.
  • Page 10: To Disassemble/Assemble The Motor/Pump Unit, Pw 345C

    Repair instructions 2.6 To disassemble/assemble the 2.7 To disassemble/assemble the motor/pump unit, PW 345C switch 1. Remove all wires from the motor. The wires can 1. Remove all wires from the switch. remain on the switch. 2. Note that the 1/ON position of the switch is placed 2.
  • Page 11: To Disassemble/Assemble The Motor/Pump Unit, Pw 350, Pw 360

    Repair instructions 2.8 . To disassemble/assemble the 2.9 To disassemble/assemble the motor/pump unit, PW 350, PW 360 hose reel/internal hose PW 350, PW 360 1. Disassemble parts until there is free access to the motor/pump unit. 1. Remove 1 torx TX20 screw to remove the motor/pump unit back cover.
  • Page 12: To Disassemble/Assemble The Hose Reel, Pw 350, Pw 360

    Repair instructions 2.10 To disassemble/assemble the 2.11 To disassemble/assemble the hose reel, PW 350, PW 360 high pressure hose, PW 350, PW 360 1. Remove 4 torx TX20 screws to remove the telescopic 1. Remove the torx TX20 screw and the u-pin. handle.
  • Page 13: To Disassemble/Assemble The Hose Reel, Pw 350, Pw 360

    Repair instructions 2.12 To disassemble/assemble the 2.13 To assemble the hose reel, hose reel, PW 350, PW 360 PW 350, PW 360 1. Remove the hose from the internal hose. 1. Make sure that the hose nipple is correctly greased before assembly.
  • Page 14: To Disassemble/Assemble The Easy Start Valve

    Repair instructions 2.14 To disassemble/assemble the 2.15 To disassemble/assemble the easy start valve Non Return Valve (NRV) 1. Put the pump on a table. 1. The NRV is placed behind the water outlet. 2. Disassemble the easy start valve. 2. First install the NRV, then the spring. Note: Make sure that the spring is placed correctly before you install it in the water outlet.
  • Page 15: To Disassembly/Assemble The Pump

    2.16 To disassembly/assemble the 4. Before assembly of the pump: - Make sure that the suction valves are installed pump correctly. 1. The bearing system can only be installed in one - Verify the level of the valves. One O-ring must be direction.
  • Page 16: To Measure The Resistance Of The Electrical Motor

    2.17 To measure the resistance of the electrical motor On a 2.1 kW Motor: 1. 7.0 Ω +-10% 2. 8.8 Ω +-10% 3. 1.74 Ω +-10%. Power supply plug Capacitor plug Earth wire 16 – English...
  • Page 17: Specifications

    Specifications 3 Specifications 3.1 Technical data Value Unit PW 345C PW 350 PW 360 PW 360 Max pressure Voltage 230-240 Frequency Rated current Power consumption Motor speed 17.500-18.000 2800 2800 2800 Flow rate, HP l/min Pump pressure 122 ±9 122 ±9 Nozzle pressure 115 ±9...
  • Page 18: Appendices And Schedules

    The pump is filled with 60 ml LHM 32 from the production. In case of service where the oil must be changed, Husqvarna recommends to use 60 ml Bartram HV 46. Alternative oil types that are allowed: • BP, Bartram HV 46 •...
  • Page 19: Motor Pump Function , Pw 345C Only

    Appendices and schedules 4.2 Motor pump function <Machine stopped and hose emptied>, PW 345C only Gun trigger is unactivated Breaker/Micro switch is inactivated SS piston is clossing The whole system is with as no force is applied to the button...
  • Page 20: Motor Pump Function , Pw 345C Only

    Appendices and schedules 4.4 Motor pump function <Machine standby>, PW 345C only SS piston is clossing Breaker/Micro switch is activated towards the 12 mm O-ring and Gun trigger is unactivated as is applied to the button from the securing standby pressure...
  • Page 21: Motor Pump Function , Pw 350, Pw 360 Only

    Appendices and schedules 4.6 Motor pump function <Machine operation>, PW 350, PW 360 only Breaker/Micro switch is inactivated SS piston is clossing Gun trigger is activated as no force is applied to the button towards pressure side and the motor is running NRV is open by pressure and flow from pump Easy start valve is in it’s...
  • Page 22: Wiring Diagram, Pw 345C

    Appendices and schedules 4.8 Wiring diagram, PW 345C Wiring diagram Brown Blue Black Yellow White Capacitor Switch Single-pole switch/ micro switch Control unit Motor Wireless unit 22 – English...
  • Page 23: Circuit Diagram , Pw 345C

    Appendices and schedules 4.9 Circuit diagram , PW 345C Circuit diagram br[ro] bl[hv] S2M Switch Brown Blue Thermo 140° Black Yellow White Capacitor Switch Single-pole switch/ micro switch Control unit Motor Wireless unit English – 23...
  • Page 24: Wiring Diagram, Pw 345C

    Appendices and schedules 4.10 Wiring diagram, PW 345C Wiring diagram Brown Blue Black Yellow White Capacitor Switch Single-pole switch/ micro switch Control unit Motor Wireless unit 24 – English...
  • Page 25: Circuit Diagram, Pw 345C

    Appendices and schedules 4.11 Circuit diagram, PW 345C Circuit diagram br[ro] bl[hv] Brown Blue S2M Switch Black Thermo 140° Yellow White Capacitor Switch Single-pole switch/ micro switch Control unit Motor Wireless unit English – 25...
  • Page 26: Wiring Diagram, Pw 350, Pw 360

    Appendices and schedules 4.12 Wiring diagram, PW 350, PW 360 Ø Brown Blue Black Yellow White Capacitor Switch gu/gr (JP:only green) Single-pole switch/ micro switch Control unit Motor Wireless unit 26 – English...
  • Page 27: Circuit Diagram, Pw 350, Pw 360

    Appendices and schedules 4.13 Circuit diagram, PW 350, PW 360 br[ro] bl[hv] Ø PE gu/gr (JP:only green) gu/gr (JP:only green) S2M Switch P> Brown Thermo 180° (JP:160°) Blue Black Yellow White Capacitor Switch Single-pole switch/ micro switch Control unit Motor Wireless unit English –...
  • Page 28 115 97 60-26 2017–11–23...

This manual is also suitable for:

Pw 360Pw 350