Nilfisk-Advance Core 125 Repair Manual Download Page 21 | Manualshive

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21

G

Operation.

3.3 Pressure build up

-

opening pressure / close gun (Core 125 and Core 130)

3.4 Motor stop –

Standby pressure (Core 125 and Core 130)

Outlet

Inlet

100

-

130 BAR

3 BAR

100

-

130 BAR

Gun close. Pressure build up. Opening pressure. Micro switch is

activated

Non return valve

Pump

Outlet

Inlet

16 BAR

3 BAR

16 BAR

Gun close. Motor stops. Pressure in hose decreases to standby pressure.

Pump pressure is also standby pressure.

Non return valve

Pump

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Summary of Contents for Core 125

Page 1: ...Repair Manual ver 1 0 Core 125 Core 130 ...

Page 2: ...2 Index A Saftey precautions 3 B Technical data 4 C Construction 5 6 D Service Repair 7 16 F Operating supplies 19 E Torque 17 18 G Operation 20 23 H Diagram 24 25 ...

Page 3: ...oggles during operation Never try to clean clothes or footwear on yourself or other persons Do not let children or people who have not read the instruction manual operate the machine Never use the machine in an environment where there could be a danger of explosion If any doubt arises please contact the local authorities It is not allowed to clean asbestos containing surfaces with high pressure Th...

Page 4: ...me HP l min 5 2 5 4 Pump pressure bar 85 95 Opening pressure bar 110 130 110 130 Retaining time min 5 5 Oil contents ml 55 55 Oil type GB3141 N32 ISO VG32 GB3141 N32 ISO VG32 Max water inlet temperature C 40 40 Max water inlet pressure bar 10 10 High pressure hose length m 5m G1 Soft Hose Ø10mm 6 m G1 Soft Hose Ø10mm Suction height m Max 0 5 Max 0 5 Electric cable m 5 5 Insulation class F F Tightn...

Page 5: ...5 C Construction Core 125 Core 130 Construction of cabinet parts ...

Page 6: ...6 C Construction Core 125 Core 130 Construction of pump unit ...

Page 7: ...Remove the water inlet coupling fig 2 3 Remove the 2 screws to remove the wheels for easy disassembly fig 2 4 Remove the 2 screws behind the wheels fig 2 5 Remove the remining 6 screws fixing the cabinet rear part fig 2 6 The cabinet rear part can be removed and there is now access to the motor pump unit Fig 1 Fig 2 2 3 4 5 ...

Page 8: ...g 1 2 Remove the switch box cover fig 1 3 Assembly Ensure that the single cords are inside the box and are not squeezed during assembly and that cable relief is mounted correctly in the slut in the switchbox 4 Assembly Ensure that the switch is correctly mounted the fixing sluts inside the switch box fig 2 Fig 2 ...

Page 9: ... that the single cords are inside the box and are not squeezed during assembly and that cable relief is mounted correctly in the slut in the switchbox 4 Assembly Ensure that the switch is correctly mounted the two fixing tap s fig 2 5 Assembly Turn knob axle counter clockwise and align with knob in its right position when mounting the front part including the knob Fig 2 Fig 3 ...

Page 10: ...e 130 Fig 1 is showing how the start stop valve must be assembled There is no special tool available to dismount the seat of the start stop valve I will be possible to use a long 3 mm self cutting screw eg for wood Fig 2 NOTE the valve seat is no longer usable after dismounting Fig 2 ...

Page 11: ...3 4 Alternatively there is a puller number 1220103 to pull out the valves seats pressure and suction valves Note the seat is no longer usable after using the puller Cleanup and lubricate before mounting Fig 1 is showing the pump after opening the cylinder head from the cylinder block Fig 2 is showing how all the parts must be assembled into the cylinder head Fig 4 Fig 3 Fig 2 ...

Page 12: ...ptimize the self suction mode the valve bodies must be positioned correct ac cording to the water canals inside the cylinder head The leg of the valve body must not be placed in front of a canal Fig 1 is showing the WRONG positioning and fig 2 is showing the CORRECT positioning ...

Page 13: ...Precaution when assembling the switch box 1 Ensure that the cable and cable relief is mounted correct in the switch box fig 1 Precautions when assembling the switch box 1 Ensure the cable relief is mounted correctly on the cabinet fig 2 OK OK ...

Page 14: ...tion when assembling the switch box 1 Ensure that the cable and cable relief is mounted correct in the switch box fig 1 Precautions when assembling the switch box 1 Ensure the cable outside switch box is put between switch box and cabinet part fig 2 OK OK OK ...

Page 15: ...driver PH2 fig 1 2 Put the motor pump unit in its right position and mount rear cabinet part 3 Mount the remining 6 screws fixing the cabinet rear part fig 2 4 Mount the 2 screws behind the wheels fig 2 5 Mount the wheels with the 2 screws fig 2 6 Mount the water inlet coupling fig 2 Fig 1 Fig 2 6 5 4 3 ...

Page 16: ... 1 Ensure that the machine is not turned on 2 Dismount the battery and mount the battery again 3 Orange indicator on the handle is now blinking in approx 2 minutes indicating that the handle is in pairing mode 4 Turn on the machine within the 2 minutes of pairing mode when the orange indicator stops blinking the handle and the machine has been paired and can now be operated Exchange battery cell t...

Page 17: ...17 E Torque Pump torque Core 125 Core 130 8 Nm 11 Nm 17 Nm 18 Nm ...

Page 18: ...18 E Torque Cabinet screw torque Core 125 Core 130 0 8 Nm 0 45 Nm 0 45 Nm ...

Page 19: ...SO VG46 Bartran HV 46 Alternative oil types that are allowed BP Bartran HV 46 Shell Tellus T 46 Exxon Statoil Univis N 46 Mobil Oil Mobil DTE 25 Recommended lubrication White grease for o rings sealings etc Silicone grease DOW CORNING R 55 O RING LUBRICANT Special tools Puller for valve seat M4 item number 31000189 Page 12 Puller for valve seat pressure and suction valve item number 1220103 Page 1...

Page 20: ...re 140 IH 3 2 Start up pressure build up Core 125 Core 130 Core 140 and Core 140 IH No pressure in system except inlet pressure 3 bar Machine switch off Outlet Inlet 3 BAR 3 BAR 3 BAR Non return valve Pump Outlet Inlet 5 BAR 3 BAR 5 BAR Machine switch on Start up Pressure build up Non return valve Pump ...

Page 21: ...Core 125 and Core 130 Outlet Inlet 100 130 BAR 3 BAR 100 130 BAR Gun close Pressure build up Opening pressure Micro switch is activated Non return valve Pump Outlet Inlet 16 BAR 3 BAR 16 BAR Gun close Motor stops Pressure in hose decreases to standby pressure Pump pressure is also standby pressure Non return valve Pump ...

Page 22: ...ne run Core 125 Outlet Inlet 68 84BAR 3 BAR 69 85 BAR Machine runs normal working pressure Gun is open Non return valve Pump Outlet Inlet 3 BAR 3 BAR 3 BAR Gun is open Control piston is closed Micro switch is deactivated Motor starts Non return valve Pump ...

Page 23: ...ne run Core 130 Outlet Inlet 77 93BAR 3 BAR 77 95 BAR Machine runs normal working pressure Gun is open Non return valve Pump Outlet Inlet 3 BAR 3 BAR 3 BAR Gun is open Control piston is closed Micro switch is deactivated Motor starts Non return valve Pump ...

Page 24: ...24 Wiring Diagram H Wiring and Circuit Diagram Core 125 only ...

Page 25: ...25 Wiring Diagram H Wiring and Circuit Diagram Core 130 and Core 140 only Rød Red Rot Rouge ...

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