Husqvarna PW 345C Workshop Manual Download

Page: 27 / 28

English – 27

4.13 Circuit diagram, PW 350, PW 360

br[ro]

bl[hv]

S2M Switch

PE gu/gr (JP:only green)

Thermo 180° (JP:160°)

gu/gr (JP:only green)

Brown

Blue

Black

Yellow

White

Capacitor

Switch

Single-pole switch/

micro switch

Control unit

Motor

Wireless unit

Appendices and schedules

Summary of Contents for PW 345C

Page 1: ...Workshop manual English PW 345C PW 350 PW 360 ...

Page 2: ...essure hose PW 350 PW 360 12 2 12 To disassemble assemble the hose reel PW 350 PW 360 13 2 13 To assemble the hose reel PW 350 PW 360 13 2 14 To disassemble assemble the easy start valve 14 2 15 To disassemble assemble the Non Return Valve NRV 14 2 16 To disassembly assemble the pump 15 2 17 To measure the resistance of the electrical motor 16 3 Specifications 17 3 1 Technical data 17 4 Appendices...

Page 3: ...ollowed CAUTION Used if there is a risk of material damage if the instructions are not followed 1 4 2 Special safety instructions WARNING Inhalation of aerosols can be hazardous to health Where applicable use a device in order to avoid or reduce aero sols production e g a shield covering the nozzle For protection against aerosols use a respiratory mask of class FFP 2 or higher WARNING Always unplu...

Page 4: ... must not be used at temperatures below 0 C WARNING Voltage and frequency of the machine see rating plate must match the voltage of and fre quency of the mains supply WARNING Only connect the machine to electrical installation made by a certified electrician and comply with IEC 60364 1 WARNING It is recommended that the electrical supply to the machine should include a residual current device that...

Page 5: ...English 5 2 Repair instructions 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 ...

Page 6: ...6 English 2 1 2 Hose reel overview Repair instructions ...

Page 7: ...English 7 2 1 3 Motor pump unit overview 4 Nm Loctite 245 4 Nm Loctite 245 16 Nm 16 Nm 16 Nm Repair instructions ...

Page 8: ...emove the cover by hand 4 Assembly Make sure that the 2 hooks in the top of the cabinet are in the correct position 2 3 To disassemble assemble the pump cover 1 Tools Torx 20 screwdriver 2 Remove 1 torx TX20 screw A 3 Remove the motor pump unit floating cover B 4 A B Assembly Make sure that the foam and the air barrier are installed correctly Repair instructions ...

Page 9: ... the start stop valve with a 25 mm spanner 3 Assembly Check that all parts are correctly assembled see figure below Install the start stop valve 2 5 To disassemble assemble the switch box cover 1 Tools Torx 20 screwdriver 2 Remove 1 torx TX20 screw A 3 Note how the wires are installed Remember to install the foam B during assembly A B Repair instructions ...

Page 10: ...n on the switch 2 Remove 8 torx TX20 screws The structural front can now be removed without dismounting the capacitor and power cable 2 7 To disassemble assemble the switch 1 Remove all wires from the switch 2 Note that the 1 ON position of the switch is placed over the 1 marking inside the switch box Repair instructions ...

Page 11: ...ve the internal hose from the pump by removing the U pin Make sure that you do not loose the spring and the Non Return Valve NRV from the water outlet 2 9 To disassemble assemble the hose reel internal hose PW 350 PW 360 1 Remove 1 torx TX20 screw to remove the motor pump unit back cover 2 Now you have access to the internal hose Repair instructions ...

Page 12: ... TX20 screws to remove the telescopic handle 2 Remove 2 torx TX20 screws from the rear side 3 Remove the hose reel from the cabinet 2 11 To disassemble assemble the high pressure hose PW 350 PW 360 1 Remove the torx TX20 screw and the u pin 2 Remove the hose router Repair instructions ...

Page 13: ... are longer than all other screws 2 13 To assemble the hose reel PW 350 PW 360 1 Make sure that the hose nipple is correctly greased before assembly 2 Install the hose into the hose reel Connect to the brass part from the internal hose 3 Install the hose reel holder Make sure to install the lock clamp correctly It MUST be installed through both the plastic hose reel holder AND the brass parts Repa...

Page 14: ...ollowing order 1 O ring 2 Easy start insert 3 Spring 4 Ball 5 Ball guide 6 Plug 3 1 2 4 5 6 2 15 To disassemble assemble the Non Return Valve NRV 1 The NRV is placed behind the water outlet 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 Repair instructions ...

Page 15: ...ng the cylinder head from the cylinder block Note The pressure valves must be placed correctly 3 In the bottom of the hole for the suction valve there is a guidance rotation lock The legs of the suction valves MUST be placed on each side of this guidance 4 Before assembly of the pump Make sure that the suction valves are installed correctly Verify the level of the valves One O ring must be complet...

Page 16: ...16 English 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 3 1 2 Earth wire Capacitor plug Power supply plug ...

Page 17: ...min 7 7 6 8 7 Pump pressure bar 122 9 122 9 160 160 Nozzle pressure bar 115 9 115 9 115 9 115 9 Standby pressure bar 15 35 15 35 15 35 15 35 Retaining time min 5 5 5 5 Oil contents ml 60 80 80 80 Oil type LHM32 LHM32 LHM32 LHM32 Max water inlet temperature C 40 40 40 40 Max water inlet pressure bar 10 10 10 10 High pressure hose length m 8 10m 9 10 9 10 9 10 Suction height m 1 1 1 1 Electric cable...

Page 18: ...Silicone grease Unisilkon L250 for all moveable parts and O rings Gardena Silicone grease DOW CORNING R M 55 O RING LUBRICANT for all stationary O rings 4 1 3 Recommended glue Loctite 245 alternatively Loctite 243 to lock the 4 pcs aluminum plugs in the pump 4 1 4 Tools Appendices and schedules 1 2 3 4 Item Description Used for Article number 1 Screw driver Flat For lock clamps N A 2 T handle Torx...

Page 19: ...no flow pump Easy start valve is in it s closed position Ball pressed against pressure side to secure suction ability Motor pump is stopped Ready to start Motor pump function Machine operation PW 345C only SS piston is clossing towards pressure side Gun trigger activated NRV is open by pressure and flow from pump Easy start valve is in it s operation position Ball pressed against inlet Motor pump ...

Page 20: ... button from the pressure in the hose and the motor is not running 4 5 Motor pump function Machine stopped and hose emptied PW 350 PW 360 only SS piston is clossing towards pressure side Gun trigger is unactivated the whole system is with out pressure and water NRV is closed no pressure and no from pump Easy start valve is in it s closed position Ball pressed against pressure side to secure suctio...

Page 21: ...d to the button and the motor is running 4 7 Motor pump function Machine standby PW 350 PW 360 only SS piston is clossing towards the 12 mm O ring and securing standby pressure Gun trigger is unactivated NRV is closing by decreased pressure and flow from pump Easy start valve is in it s closed position Ball pressed against pressure side to secure suction ability Motor pump is stopped Breaker Micro...

Page 22: ...PW 345C bl 2 1 br s1 2a c1 s1 1a br bl br N L M Wiring diagram br bl so gu hv C1 S1 S2 CU M WU Brown Blue Black Yellow White Capacitor Switch Single pole switch micro switch Control unit Motor Wireless unit Appendices and schedules ...

Page 23: ...v bl 2 S1 2a 1a S2M Switch M Thermo 140 so bl bl bl so br 1 br N Circuit diagram C1 br bl so gu hv C1 S1 S2 CU M WU Brown Blue Black Yellow White Capacitor Switch Single pole switch micro switch Control unit Motor Wireless unit Appendices and schedules ...

Page 24: ... 345C Wiring diagram bl 2 1 WU CU s1 2a C1 s1 1a br bl br br N L M br bl so gu hv C1 S1 S2 CU M WU Brown Blue Black Yellow White Capacitor Switch Single pole switch micro switch Control unit Motor Wireless unit Appendices and schedules ...

Page 25: ... bl 2 S1 2a 1a S2M Switch M Thermo 140 so bl bl bl so WU CU N L 1 br N Circuit diagram br bl so gu hv C1 S1 S2 CU M WU Brown Blue Black Yellow White Capacitor Switch Single pole switch micro switch Control unit Motor Wireless unit Appendices and schedules ...

Page 26: ...360 bl 2 1 C1 br S1 2a S2 1a hv hv br so so N gu gr JP only green Ø L M 1 br bl so gu hv C1 S1 S2 CU M WU Brown Blue Black Yellow White Capacitor Switch Single pole switch micro switch Control unit Motor Wireless unit Appendices and schedules ...

Page 27: ... S2M Switch so so P so bl M C1 hv hv 1 br N PE gu gr JP only green Thermo 180 JP 160 Ø gu gr JP only green br bl so gu hv C1 S1 S2 CU M WU Brown Blue Black Yellow White Capacitor Switch Single pole switch micro switch Control unit Motor Wireless unit Appendices and schedules ...

Page 28: ...115 97 60 26 2017 11 23 ...

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