English Operating Instructions HD 645 / HD 650 (SX) / HD 658 / HD 690 (SX)18Relief valve, pressure switch and safetyvalve are set and sealed in the factory.Adjustments are made only by CustomerService.WarrantyThe warranty terms issued by our authorisedmarketing company are valid in everycountry. We remedy any fault in the cleanerfree of charge within the warranty periodproviding the cause of the fault proves to bea material or manufacturing error.The warranty only becomes operativewhen your dealer has completed the replycard accompanying the sale of the unit, hasstamped and signed it and you have thensent the reply card to the marketingcompany in your country.Should you wish to call upon the guarantee,please apply to your dealer or nearestauthorised Customer Service centre takingalong also the accessories and bill of sale.Preparing the cleaner foruseUnpack the cleaner– When unpacking the cleaner, check thecontents of the packaging. If there hasbeen any damage in transit inform thedealer.– Do not dispose of the packaging with thehousehold rubbish, hand it in at theappropriate collection point for recycling.Check the oil levelFig. 1 – 3 Screw out the fastening screws on theleft and right of the unit cover, removeunit cover. Cut off the tip on the cover to the oilreservoir. Check the oil level in the oil reservoir. Fasten the unit cover.Mount the accessoriesFig. 4 – 9 Mount handle (screws and nutssupplied). Engage the holder for handgun at theside of the handle. Mount nozzle on the spray lance (seemarkings on the top of the setting ring). Mount spray lance on the handgun. Insert and engage the crank handle inthe hose-reel axle. Mount the high-pressure hose on thehose reel. Insert the high-pressure hosenipple through the opening in the hose-reel hub and into the hose holder. Securethe high-pressure hose with the hook. Check: It should not be possible for thehose nipple to be pulled out. It is advisable to lay the high-pressurehose out in a straight line before reelingit up. Wind the high-pressure hose up in evenlayers on the hose reel by turning thecrank handle.