IMPORTANT: Read this instruction man u al Designations before you start up your high pressure washer for the fi rst time. (see drawings inside back cover) This machine is a hot water high pressure washer pro duc ing a water jet under high pressure and of a high tem per a ture 1.
1.0 Survey of models 1.1 Model tag This petrol driven hot water cleaner has the model des ig na tion Contractor/Contractor Master. The model designation appears from the text on the control panel and the model tag. The tag pro vides the following details: 1.
2.0 Instructions for use Safety precautions and warnings Before starting up your high pressure washer for the fi rst time, you must read through the following sec- tions: 2.0 Instructions for use and 3.0 Operating instructions and follow all instructions to ensure the pro tec tion of user, surroundings and machine.
Safety precautions and warnings DANGER OF EXPLOSION! * Refuel in a well-ventilated area with adequate ventilation and always with the engine stopped. * It is not allowed to smoke when refi lling with gasoline. * Do not overfi ll the tank. Make sure that the fi ller cap is closed securely. * Avoid spilling gasoline when refi...
3.0 Ope ra ting instructions 3.1 Connections 3.1-1 High pressure hose Only use Nilfi sk-ALTO high pressure steam hoses with an imprinted max tem pe ra tu re of 150°C. Max length of extension hose: 50 m. The high pressure hose (24) with imprinted max working pres su re and temperature (150°C) should be attached to outlet socket (10) by quick coupling.
Operating instructions 3.1-4 Fuel fi lling for the Honda engine WARNING! Stop the engine and allow it to cool for at least two minutes before fi lling with pe trol. Check the Honda manual for the petrol octane specifi cations. Only use pure petrol in the Honda engine.
Operating instructions 3.2 Starting-up procedure 50 60 Check oil ˚C ˚F ˚C TEMP Turn the thermostat to the BLUE fi eld. Turn to position “START”. Check that the oil in the oil reservoir (2) is between the MIN and the MAX markings. Oil type: Nilfi sk-ALTO Pump Oil 100.
Operating instructions 3.4 Temperature control ˚C ˚F ˚C TEMP Cold water mode 50°C Hot water mode 50 - 95°C Steam mode 95 - 150°C Adjust the temperature control (16) to the required temperature. Indicator lamps on the temperature dis play (17) show the actual temperature of the outlet water. Cold water mode: Upon the starting-up procedure the machine is immediately ready for cleaning with cold water.
Operating instructions 3.6 Stop - dismounting of high pres su re hose 50 60 ˚C ˚F ˚C TEMP Danger of scalding! Never dismount the high pressure hose when the water temperature is above 50°C. If the machine is set aside immediately after hot water or steam operation, it should be cooled down in "cold water mode"...
Operating instructions 3.8 Storage - frost pro tec tion Frost-free room or anti-freeze! We recommend you to store the machine in a frost-free room between the cleaning tasks. The machine must be emptied of water prior to storing for a longer period. This is done in the following way: 1.
4.0 Fields of application and work ing methods 4.1 Fields of application The most important fi elds of application for this product are: Transport Cleaning of trucks, buses, cars, engine rooms, etc. Building and construction Building renovation, cleaning/degreasing of ve hi cles, equipment, buildings, etc.
Fields of application and working methods 4.4 Working methods Your high pressure washer has been developed for cleaning according to the so-called "2-step method". STEP 1 Application of detergent STEP 2 High pressure cleaning In practice the working process is laid down in accordance with the actual job, but as a starting point the fol low ing working method can be described for a job: 1.
6.0 Functional description 6.1 General description The water passes from the quick coupling (a) through a water fi lter (b) into the high pressure pump (c). The high pressure water leads through the discharge system of the pump where the safety and circulation valve (d) is situated.
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Functional diagram Quick coupling, inlet m. Fuel tank Water fi lter Fuel fi lter High pressure pump Fuel pump Circulation valve Solenoid valve Flow switch Burner system - nozzle Non-return valve with throttle Flow switch Petrol engine Coil Safety valve Temperature sensor Pressure gauge Quick coupling, outlet...
7.0 Maintenance 7.1 General To ensure that your Nilfi sk-ALTO high pressure washer is always in an operational condition it is advisable to have it checked by a Nilfi sk-ALTO service technician at regular intervals. However, it applies to the most exposed components that a minimum of maintenance ensures a pro longed and problem-free operation.
Maintenance 7.5 Descaling of coil After a period of operation depending on the hardness of the water scale deposits will begin to ac cu mu late in the heating coil. These deposits will reduce the effect of the water heating system and increase the fuel consumption.
8.0 Trouble shooting chart You have chosen a quality product and therefore deserve the best serv ice. To avoid unnecessary dis ap - point ments, you should check the following before contacting the nearest Nilfi sk-ALTO service or gan i- sa tion: Fault Cause...
Produkt: • • • High pressure washer • • • • • • Hochdruckreiniger • • • type : CONTRACTOR MASTER Typ : CONTRACTOR MASTER konform ist mit den einschlägigen Bestimmungen fol gen- is in conformity with the provisions of the following di rec- der EG-Richtlinien inklusive deren Änderungen:...