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Nilfisk-Advance C120.5 X-TRA Repair Manual

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C120.5 X-TRA
C130.1 X-TRA
Repair Manual

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Summary of Contents for Nilfisk-Advance C120.5 X-TRA

  • Page 1 C120.5 X-TRA C130.1 X-TRA Repair Manual...

  • Page 2: Table Of Contents

    Index A. Saftey precautions B. Technical data C. Construction Service / Repair 8-17 E. Torque 18-19 F. Operating supplies G. Operation 21-23 H. Diagram 24-25...

  • Page 3: Saftey Precautions

    Safety precautions. WARNING! High pressure jets can be dangerous. Never direct the water jet at persons  pets, live electrical equipment or the machine self. The operator and anyone in the immediate vicinity of the site of cleaning  should take action to protect themselves from being struck by debris dis- lodged during operation.

  • Page 4: Technical Data

    Technical Data. C120.5 C120.5 C130.1 Product segment: Consumer X-Tra Specification Max 120 Max 120 Max 130 Voltage Frequency Power consumption Power absorbed Numbers of revolutions 2800 2800 2800 rpm./ min. Water volume, HP l / min. 5,5-6,3 5,5-6,3 5,5-6,3 Pump pressure 90-106 90-106 95-111...

  • Page 5: Construction

    Construction. Construction of cabinet parts.
  • Page 6 Construction. Construction of hose reel.
  • Page 7 Construction. Construction of motor pump unit.

  • Page 8: Service / Repair

    Service / Repair. Dismounting / mounting of front cabinet and accessory storage. Remove the handle (fig. 1) by pressing the 2 * 2 snap locks (fig.2). Loosen one side first and then the other side. Remove the 2 torx (TX20) screws from the bag side (fig. 3) and the 2 torx screws from each side (fig 4 &...
  • Page 9 Service / Repair. NOTE: When mounting the front cabinet first step is to slide the cabinet down (fig. 1) in the  grooves (fig. 2) making sure that all grooves are fitted together. Then the accessories storage must be mounted. It is in the right position when the front ...
  • Page 10 Service / Repair. Dismount / Mounting of Motor cover. Remove the foam plug protection (fig. 1) Unplug the capacitor wire, the motor wire and the earth connection. Turn the MPU to the other side so that the screws are visuable. Take off the wheel cap—loosen it with a screw driver or similar (fig.
  • Page 11 Service / Repair. Dismount / mounting of motor cover. The motor / pump unit can now be lifted up from the cabinet, but the micro switch house must be dismounted before the MPU can be totally removed (fig. 1). The micro switch box is removed by hand. It can be hard but it is just to be “broken” off! When mounting the MPU again, first step is to mount the micro switch box.
  • Page 12 Service / Repair. Dismounting / mounting of motor cover. After placing the MPU in the cabinet, next is to mount the fan cover. Be sure that it is  fixed in the right position in both sides (fig. 1) Then the water protection plate is mounted in the two grooves (fig. 2) ...
  • Page 13 Service / Repair. Dismounting / mounting of the pump. Loosen the 4 screws that are on top of the pump (fig. 1) then the pump can be opened (fig. 2). Note that some oil might come out when opening the pump! Fig.
  • Page 14 Service / Repair. Dismounting / mounting of the start / stop valve. 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”...
  • Page 15 Service / Repair. Dismounting / mounting of water / oil seal and valves. To change the oil seals, water seals and pressure valve, use a screw driver to dismount the parts (fig 3 & 4). Alternatively there is a puller number 1220103 to pull out the valves seats (pressure and suction valves.
  • Page 16 Service / Repair. IMPORTANT mounting information: In order to optimize 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.
  • Page 17 Nilfisk Service / Repair. Guidance of measuring the resistance of electrical motor. 1,7 KW Motor 6,1 ohm +- 10 % 8,9 ohm +- 10 % 2,8 ohm +- 10 % Power supply Plug. Capacitor Plug. Earth wire...

  • Page 18: Torque

    Torque. Pump torque.
  • Page 19 Torque. Cabinet torque.

  • Page 20: Operating Supplies

    Operating supplies Recommended oil types: The pump is filled with 80 ml LHM 32 from the production. In case of service where the oil must be changed Nilfisk- Advance recommends to use 80 ml Bartran HV 46. Alternative oil types that are allowed: BP, Bartram HV 46 Shell, Tellus T 46 Exxon, Statoil Univis N 46...

  • Page 21: Operation

    Operation. 3.0 Start stop System guide 3.1 No pressure in system No pressure in system - except inlet pressure 3 bar. Machine switch off. Pump 3 BAR Non return valve 3 BAR Inlet Outlet 3 BAR 3.2 Start up-pressure build up Machine switch on / Start up –...
  • Page 22 Operation. 3.3 Pressure build up-opening pressure / close gun Gun close. Pressure build up. Opening pressure. Micro switch is activated Pump 130 BAR Non return valve Inlet 3 BAR Outlet 130 BAR 3.4 Motor stop – Standby pressure Gun close. Motor stops. Pressure in hose decreases to standby pressure. Pump pressure is also standby pressure.
  • Page 23 Operation. 3.5 Gun is activated Gun is open - Control piston is closed. Micro switch is deactivated. Motor starts. Pump 3 BAR Non return valve 3 BAR Inlet Outlet 3 BAR 3.6 Machine run Machine runs (normal working pressure). Gun is open. Pump 100 BAR Non return valve...

  • Page 24: Diagram

    Wiring Diagram. Wiring Diagram...
  • Page 25 Wiring Diagram Wiring Diagram...

This manual is also suitable for:

C130.1 x-tra