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Nilfisk-Advance C 125.4, Repair Manual, Page: 18 / 21

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Nilfisk-Advance C 125.4 Repair Manual Download Page 18

18 

  

 

G

 

Operation. 

3.3 Pressure build up-opening pressure / close gun 

3.4 Motor stop – Standby pressure 

Outlet 

Inlet 

130 BAR 

3 BAR 

130 BAR 

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

activated 

Non return valve 

Pump 

 

 

 

 

Outlet 

Inl

25 BAR 

3 BAR 

25 BAR 

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

Non return valve 

Pump 

 

 

 

 

 

 

Summary of Contents for C 125.4

Page 1: ...Repair Manual C 125 4 C 130 2 C PG 130 2 X TRA...

Page 2: ...2 Index A Safety precautions 3 B Technical data 4 C Construction 5 6 D Service Repair 7 11 F Operating supplies 16 E Torque 14 15 G Operation 17 19 H Diagram 20...

Page 3: ...gles 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 op erate the machine Never use the mach...

Page 4: ...0 17000 18000 Water volume HP l min 5 3 6 3 5 3 6 3 Pump pressure bar 85 100 90 105 Nozzle pressure bar 79 94 84 99 Opening pressure bar 115 140 115 140 Retaining time min 5 5 Oil contents ml 80 80 Oi...

Page 5: ...5 C Construction C 125 4 C 130 2 C PG 130 2 X TRA Construction of cabinet parts Part 24 25 26 are on only used on PG versions...

Page 6: ...6 C Construction C 125 4 C 130 2 C PG 130 2 X TRA Construction of pump unit...

Page 7: ...r side 3 Remove the 2 torx TX20 screws from the rear side fig 3 4 Loosen the front cabinet from the accessories storage with a screw driver as shown on fig 4 from both sides Take off the accessories s...

Page 8: ...unt and tighten the torx TX9 screws Torque max 0 8 Nm and connect cable to Wire less Unit check the circuit diagram and mount the 3 wires accordingly on the Control Unit 3 Wireless Unit Disconnect cab...

Page 9: ...eless Unit in the PowerGrip has been exchanged the Control Unit in the machine has been exchanged the Wireless Unit has been exchanged in the machine Or if the user hasn t paired the machine and the P...

Page 10: ...r is too short Fig 2 3 Now the cabinet can be removed and the motor pump unit can be taken out Fig 3 4 The micro switch box is removed by hand It can be hard but it is just to be broken off When mount...

Page 11: ...Fig 1 is showing how the start stop valve must be assembled A special tool is needed in order to take out the seat of the start stop valve fig 2 Please use Puller for valve seat M4 item number 3100018...

Page 12: ...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 mountin...

Page 13: ...timize 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...

Page 14: ...14 E Torque Pump torque...

Page 15: ...15 E Torque Cabinet torque...

Page 16: ...ypes that are allowed BP Bartram 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...

Page 17: ...n system 3 2 Start up pressure build up 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...

Page 18: ...ure Outlet Inlet 130 BAR 3 BAR 130 BAR Gun close Pressure build up Opening pressure Micro switch is activated Non return valve Pump Outlet Inl 25 BAR 3 BAR 25 BAR Gun close Motor stops Pressure in hos...

Page 19: ...hine run Outlet Inlet 98BAR 3 BAR 100 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 dea...

Page 20: ...20 Wiring Diagram H Wiring Diagram C 125 4 C 130 2...

Page 21: ...21 Wiring Diagram H Wiring Diagram C PG 130 2 X TRA...

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