Husqvarna PW 125, Workshop Manual

Page 1: ...Workshop manual English PW 125 ...

Page 2: ...e cabinet rear part 8 2 5 To disassemble assemble the switch box and cover 9 2 6 To disassemble assemble the start stop valve 9 2 7 To diassemble assemble the water oil seal and valves 10 3 Specifications 12 3 1 Technical data 12 4 Appendices and schemas 13 4 1 Operating supplies 13 4 1 1 Recommended oil types 13 4 1 2 Recommended lubrication 13 4 1 3 Special tools 13 4 2 Start stop System guide 1...

Page 3: ...d to point out specially important parts of the workshop manual WARNING Used if there is a risk of injury or death if the instructions are not followed CAUTION Used if there is a risk of material damage if the instructions are not followed Note This information makes the product easier to use 1 4 2 Special safety instructions WARNING Do not use accessories and or do changes that are not approved b...

Page 4: ...4 English 2 Repair instructions Repair instructions 2 1 Product overview Cabinet ...

Page 5: ...English 5 2 2 Product overview Pump unit Repair instructions ...

Page 6: ...installed correctly inside the front part before mounting the motor pump unit in the front part CAUTION Make sure that the power cable is not placed on the internal ribs before assembly CAUTION Make sure that the cable relief is mounted correctly before assembly Repair instructions ...

Page 7: ...tall 2 short screws B behind the wheels 4 Make sure that the wheels are assembled correctly by sliding the parts together 5 Install the wheels and 6 short screws B on the rear side A B B B B B B A 6 Install the handle and the 2 long screws A to fix the handle 2 3 2 To assemble the switch box 1 Make sure that the cable and the 2 wires are mounted in the groves Repair instructions ...

Page 8: ...rews A that fix the handle 3 Remove the 6 short screws B from the rear side Do not remove the accessory bracket C A B B B B B B A C 4 Remove the wheels and remove the 2 short screws B behind the wheels 5 The cabinet rear part can now be removed It allows access to the pump unit Repair instructions ...

Page 9: ...e on off switch is correctly installed in the hole of the front part Make sure that the taps on the switchbox are fixed in the slots of the ribs 5 Click on the switch box cover on the switch box and install the 2 screws 2 6 To disassemble assemble the start stop valve 1 Assemble the start stop valve see figure below 2 Use a special tool to remove the seat of the start stop valve Use Puller for val...

Page 10: ...isassemble the parts Alternatively use a puller part number 592 94 49 01 to pull out the valves seats pressure and suction valves NOTE The seat is no longer usable after using the puller Repair instructions 2 The figure below shows the pump after opening the cylinder head from the cylinder block CAUTION Clean and lubricate the parts before assembly ...

Page 11: ...rrectly according to the water canals inside the cylinder head This is to optimize the self suction mode The leg of the valve body must not be placed in front of a canal WRONG position CORRECT position 3 Assemble all parts into the cylinder head see figure below ...

Page 12: ...evolutions 16 000 17 000 rpm min Water volume HP 5 4 l min Pump pressure 95 bar Nozzle pressure 75 85 bar Opening pressure 110 130 bar Retaining time 5 min Oil contents 55 ml Oil type ARTL 32 Max water inlet temperature 40 C Max water inlet pressure 10 bar High pressure hose length 6m textile Suction height 0 5 m Electric cable 5 m Insulation class B Tightness IPX5 Specifications ...

Page 13: ... that are allowed BP Bartram HV 46 Shell Tellus T 46 Exxon Statoil Univis N 46 Mobil Oil Mobil DTE 25 4 1 2 Recommended lubrication White grease for o rings sealings etc Silicone grease DOW CORNING R 55 O RING LUBRICANT 4 1 3 Special tools Appendices and schedules 1 2 3 Item Description Used for Article number 1 Screw driver flat For lock clamps N A 2 Screw driver PH2 For screws N A 3 M4 Puller Fo...

Page 14: ...ressure in system except inlet pressure 3 bar Machine switch off Pump 3 BAR Inlet Non return valve Outlet 3 Bar 3 BAR 4 2 2 Start up pressure build up Machine switch on Start up Pressure build up Pump 5 BAR Inlet Non return valve Outlet 5 Bar 3 BAR Appendices and schedules ...

Page 15: ...is activated Pump 100 125 BAR Inlet Non return valve Outlet 100 125 BAR 3 BAR 4 2 4 Motor stop Standby pressure Gun close Motor stops Pressure in hose decreases to standby pressure Pump pressure is also standby pressure Pump 15 BAR Inlet Non return valve Outlet 15 BAR 3 BAR 4 2 5 Gun is activated Appendices and schedules ...

Page 16: ...d Micro switch is deactivated Motor starts Pump 3 BAR Inlet Non return valve Outlet 3 BAR 3 BAR 4 2 6 Machine run Machine runs normal working pressure Gun is open Pump 70 95 BAR Inlet Non return valve Outlet 65 90 BAR 3 BAR Appendices and schedules ...

Page 17: ... C P blue wire micro switch black wire black wire main switch main switch box black wire conductor L optional black wire winding1 winding2 T P conductor L optional br bl so gu hv C1 S1 S2 CU M Brown Blue Black Yellow White Capacitor Switch Single pole switch micro switch Control unit Motor ...

Page 18: ...115 97 58 26 2017 11 24 ...