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Husqvarna PW 235, Workshop Manual

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Husqvarna PW 235 Workshop Manual Download Page 15

English – 15 

4.2.5 Gun is activated

Gun is open - Control piston is closed. 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

100 BAR

Inlet

Non return valve

Outlet

98 BAR

3 BAR

Appendices and schedules

Summary of Contents for PW 235

Page 1: ...Workshop manual English PW 235 PW 235R ...

Page 2: ...t and the handle 7 2 6 To exchange the battery in the handle 7 2 7 To disassemble assemble the motor cover 8 2 8 To disassemble assemble the start stop valve 8 2 9 To disassemble assemble the water oil seal and valves 9 3 Specifications 11 3 1 Technical data 11 4 Appendices and schemas 12 4 1 Operating supplies 12 4 1 1 Recommended oil types 12 4 1 2 Recommended lubrication 12 4 1 3 Recommended gl...

Page 3: ...oint 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 by the ...

Page 4: ...4 English 2 Repair instructions Repair instructions 2 1 Product overview Cabinet torque 1 2 Nm 1 2 Nm 1 5 Nm 1 5 Nm 1 5 Nm ...

Page 5: ...English 5 Repair instructions 8 Nm 18 Nm 10 Nm 8 Nm 16 Nm 8 Nm 2 2 Product overview Pump unit torque ...

Page 6: ...and then the other side 3 Remove the 2 torx TX20 screws A from the rear side A A 4 Loosen the front cabinet from the accessories storage Use a screwdriver on both sides see figure below Remove the accessories storage 5 Lift up the front cabinet to remove it Assembly Place the accessories storage on the front cabinet and push it in place until you hear a click Install the 2 screws Repair instructio...

Page 7: ...on only Pairing of the wireless devices is needed if The handle has been exchanged The wireless unit of the handle has been exchanged The control unit in the product has been exchanged The wireless unit in the product has been exchanged If the user has not paired the product and the handle Pairing of the product and the handle 1 Make sure that the product is not switched on 2 Remove the battery an...

Page 8: ...Install the micro switch box by hand alternatively use a plastic hammer Make sure you install it in the correct position Install the motor pump unit inside the cabinet 2 8 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 valve seat M4 part number 592 94 50 01 NOTE The seat of...

Page 9: ...embly 2 9 To disassemble assemble the water oil seal and valves 1 To change the oil seals water seals and pressure valve use a screw driver to disassemble 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 ...

Page 10: ...cording 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 Repair instructions ...

Page 11: ...8 000 rpm min Water volume HP 5 3 6 3 l min Pump pressure 90 105 bar Nozzle pressure 84 99 bar Opening pressure 115 140 bar Type of battery CR 2032 Retaining time 5 min Oil contents 80 ml Oil type LMH 32 Max water inlet temperature 40 C Max water inlet pressure 10 bar High pressure hose length m 8m textile soft Suction height 0 5 m Electric cable 5 m Insulation class B Tightness IPX5 Specification...

Page 12: ... 2 Recommended lubrication White grease for o rings sealings etc Silicone grease DOW CORNING R 55 O RING LUBRICANT 4 1 3 Recommended glue Loctite 680 alternatively Loctite 270 or 271 4 Appendices and schemas Appendices and schedules 2 1 3 4 5 Item Description Used for Article number 1 T handle Torx T20 For screws with torx head 588 59 85 01 2 Puller M4 For valve seat 592 94 50 01 2 Puller M8 For v...

Page 13: ...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 14: ...ressure Micro switch is activated Pump 130 BAR Inlet Non return valve Outlet 130 BAR 3 BAR Motor stop standby pressure Gun close Motor stops Pressure in hose decreases to standby pressure Pump pressure is also standby pressure Pump 25 BAR Inlet Non return valve Outlet 25 BAR 3 BAR Appendices and schedules ...

Page 15: ...iston is closed 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 100 BAR Inlet Non return valve Outlet 98 BAR 3 BAR Appendices and schedules ...

Page 16: ...ram bl 2 1 bl s1 2a c1 s1 1a br br br N M L br ro bl hv bl 2 S1 2a 1c S2M Switch b M Thermo 140 so br bl o 1 br N 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 Appendices and schedules ...

Page 17: ...l bl br N M L CU WU 1 bl 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 Circuit diagram L br so bl hv br 2 S1 2a 1a S2M Switch M Thermo 140 bl bl br CU WU so N L br bl 1 bl N Appendices and schedules ...

Page 18: ...115 97 59 26 2017 11 23 ...

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