Kärcher HD 6/15-4 Service Manual

Also see for HD 6/15-4: Operating instructions Manual Original instructions Manual Manual

Kärcher HD 6/15-4 Service Manual Manual pdf 22 page image

22 English 5.906-565.0 Rev. 00 (12/12) Install a nozzle size 018 (special tool 5.765-092)on the spray lance. Install a pressure gauge (special tool) between thehigh-pressure connection and the high-pressurehose. Set up the power and water supply. Pull off the rotary handle.1 Rating nut2 Set screw3 Locknut Screw out the threaded pin. Loosen the lock nut and turn it all the way down. Turn on the appliance. Open the hand spray gun. Adjust the adjustment nut until the following work-ing pressure is displayed: Open and close the hand spray gun 3 times whilethe motor is running. Check the set pressure and readjust if necessary. Tighten the lock nut without moving the adjust-ment nut. Screw in the threaded pin and tighten it. Reinstall the original power nozzle on the spraylance. Completely unscrew the adjustment nut with therotary handle (in an anti-clockwise direction). Turn on the appliance. Working pressure of approx. 3 MPa (30 bar) is ap-plied. Open and close the hand spray gun 3 times whilethe motor is running. Completely screw in the adjustment nut with therotary handle (in a clockwise direction). Seal the adjustment nut and lock nut by means oflocking paint. Fit the rotary handle.7.12 Adjusting the overflow valveHD 6/15-4 16.0...16.4 MPa (160...164 bar)HD 7/11-4 12.0...12.4 MPa (120...124 bar)