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HD 7/250 De Tr1
59633200 08/10
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Please read and comply with – Safety features on the appliance and Protective clothing the spray unit must never be removed, these original instructions prior modified to made inoperable. to the initial operation of your appliance and Danger – Only use hose lines, spray units and ac- store them for later use or subsequent own- When working with the appliance or when cessories approved for the maximum ers. being present near the spray unit, the fol- working pressure of the appliance. lowin
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Burst disc Function Proper use If the working pressure exceeds the max. The high pressure pump is driven by an in- Use this appliance only as directed in these permissible overpressure by approx. 10%, termediate gear by a diesel motor. operating instructions. the burst disc will be destroyed and the wa- When the jet operation is interrupted, an – The appliance is used to clean objects ter will circulate inside the appliance with- electric signal will switch the system from by means of a hi
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Device elements 1 Towing hitch 20 Radiator 38 Left compressed air connection, to con- nect a compressed air tool 2 Tear-off rope 21 Parking brake 39 High-pressure outlet 3 Connector vehicle lighting 22 Cover 40 Lifting eyelet (option) 4 Support wheel 23 Door operating panel 41 Drain tap of the water tank (inside the 5 Battery 24 Lock of appliance hood appliance) 6 Battery main switch 25 Safety support appliance hood 42 Ball tap, antifreeze/water tank 7 Block wedge 26 Registration plates 43 Main
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Display and operating panel 1 Display actual pressure 7 Key F5, increase nominal value 13 Display operation 2 Bar graph fuel level 8 Key F4, decrease nominal value 14 Display actual speed 3 Bar graph water level in tank 9 Key F3, motor OFF 15 Display nominal pressure 4 Display cooling water temperature 10 Key F2, motor ON 16 Key switch 5 Display oil pressure 11 Key F1, reset key (acknowledge fault) 6 F6 key, menu preselection 12 Display appliance status Symbol Meaning Symbol Meaning Symbol
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Remove the chocks from underneath Disconnect the connector from the ve- Operation hicle lighting and insert it into the plug the wheels and place them in their hold- storage on the drawbar. ers. Please observe Chapter "Safety Instruc- Secure the machine with wheel chocks tions" and the enclosed safety instructions Release parking brake. to prevent it from rolling away. for high pressure cleaners (5.063-314.0) Disconnect the towing vehicle. Transport Align the appliance horizontally with
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Grease the nozzle holder with stainless Clean the thread and grease it with Caution steel screw grease (6.280-180.0) and stainless steel screw grease (6.280- Do not completely deplete the fuel in the screw it onto the spray pipe (left 180.0). fuel tank, otherwise, the fuel system will thread). Connect the high pressure hose to high have to be ventilated. Possibly suctioned Grease the thread of the high pressure pressure connection (procedure as de- dirt from the bottom of the tank can l
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Connect the water supply hose to the Switch off the motor. respective water inlet (arrow). Install the nozzle as described in the Open the lock on the appliance cover chapter "Connecting the nozzle". and swivel the appliance cover up- Settings wards. Swivel the latch of the appliance hood Adjust the water pressure upwards to keep it from shutting inad- Note vertently. The water pressure can be changed right Check the water filter for contamination, after startup with the key swit
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By pressing the F6 key twice, you will If there is a risk of freezing tempera- return to the operating display. tures during the operational break, flush the appliance with antifreeze (see Operation Chapter "Antifreeze") or transport the Note appliance to an area protected from frost. If the appliance is protected with antifreeze, Turn main key to "0" and remove it. this antifreeze must be purged from the wa- ter system (see chapter "Pumping anti- Close and lock th
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Refill the antifreeze container with anti- freeze. Select the mixing ratio of the water/antifreeze as per the instructions of the antifreeze manufacturer. The control voltage is switched on and the display shows the antifreeze rinse opera- tion. Align the actuation lever of the ball tap Press the F2 key to start the motor. for antifreeze/water tank vertically. Let the motor run until antifreeze is vis- Unscrew the high pressure hose from ible in the antifreeze hose. the high pressure o
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– If the appliance must be started up for Caution Maintenance and care maintenance procedures, a second Risk of damage. Do not disconnect the bat- person must be present for safety rea- Danger tery while the ignition is on or the motor is sons. running. – Maintenance Procedures may only be – Water under high pressure can pene- carried out by persons who have been in- trate the skin and cause severe injuries structed in the safe operation and mainte- and infections. Stay away from leaks
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Flow pattern 1 Compressor 21 High-pressure pump 2 Oil cooler module 22 Internal combustion engine 3 Air cooler module 23 Prepressure manometer 4 Cyclone separator 24 Advance pressure pump 5 2/2 way solenoid valve, 2-stroke 25 Ball tap 6 Condensation drain, return to water 26 Water reservoir tank 27 Antifreeze tank 7 Pressure relief valve 28 2/2 way solenoid valve 8 Silencer 29 High-pressure outlet 9 Backflow valve 30 Exterior air 10 Pressure regulation valve 31 Quick coupling 11 Ball tap 32 Wate
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Maintenance intervals Time Activity By whom Prior to each drive Check the lighting. Operator Check the tyre pressure and their state. Operator Every 10 operating Check oil level in the pump gear (see "Initial startup"), refill oil if needed. Operator hours or daily Check the water filter and clean if necessary. Operator Check coolant level in the equalisation container (see "Initial startup"), refill coolant if need- Operator ed. Once after the first 50 Replace motor oil (see "Maintenance Proced
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Pump and gear Blow out the filter insert with com- Warning pressed air (max. 2 bar) from the inside. Never connect frozen batteries to charge Pump Mobil D.T.E Oil AA 320 Clean the inside of the air filter housing them. Risk of explosion! Gear Mobil D.T.E Oil AA 320 with a cloth. Prior to charging, thaw the battery and The oil level is correct if it is within the Note warm to at least 16 °C. markings on the oil dip. Severely contaminated or defective filter in- Note After the check, ins
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Read the fault message on the display Faults and remediate the fault as per the table below. Danger Press the reset button to acknowledge/ This can lead to severe injuries and possi- confirm the fault message. bly death. An improper startup and repair of the appliance and the spray unit is danger- ous. Faults with display Faults detected by the control are shown on the display. 1 Display 2 Fault indication 3 Reset key to confirm the fault Display/meaning Cause Remedy By whom Emergency S
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Display/meaning Cause Remedy By whom Cable plug of high pressure sensor loose or Check for correct fit Operator short in connection Cable breakage Replace the cable Customer Service High pressure sensor defective Check / replace the sensor Customer Service >Malfunction< High pressure sen- sor The permitted max. pressure is exceeded due Check the nozzle size, install correct noz- Operator to small or plugged nozzle zle Load speed too high Reduce load speed Customer Service >Malfunction< High pres
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Faults without display on the console 1Main fuse Fault Cause Remedy By whom Appliance stops, dis- Main fuse is blown Replace the main fuse Operator play switches off No display after Battery main switch switched off Switch on the battery main switch Operator switching the appli- Battery depleted Charging battery Operator ance on Main fuse is blown Replace the main fuse Operator Motor will not start or See separate operating instructions of the motor turns off immediately Working pressure is Air
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Accessories and Spare Parts CE declaration – Only use accessories and spare parts We hereby declare that the machine de- which have been approved by the man- scribed below complies with the relevant ufacturer. The exclusive use of original basic safety and health requirements of the accessories and original spare parts EU Directives, both in its basic design and ensures that the appliance can be oper- construction as well as in the version put ated safely and troublefree. into circulation by
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IE Kärcher Limited (Ireland), 12 Willow Business Park, Nangor AE Karcher FZE, P.O. Box 17416, Jebel Ali Free Zone (South), Road, Dublin 12, Dubai, United Arab Emirates, (01) 409 7777, www.kaercher.ie +971 4 886-1177, www.kaercher.com JP Kärcher (Japan) Co., Ltd., Irene Kärcher Building, No. 2, AR Kärcher S.A., Uruguay 2887 (1646) San Fernando, Pcia. de Matsusaka-Daira 3-chome, Taiwa-cho, Kurokawa-gun, Miyagi Buenos Aires 981-3408, +54-11 4506 3343, www.karcher.com.ar +81-22-344-3140, www.ka
