CONTENTS2Model Number _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _Serial Number _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _Date of Purchase _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _The model and serial numbers will be found on a decal attachedto the pressure washer. You should record both serial number anddate of purchase and keep in a safe place for future reference.9.800-079.0 • Rev. 05/14Introduction & Important Safety Instructions 3-5Component Identification 6Assembly Instructions 7Operating Instructions 8-9Detergents and Cleaning Tips 10Shut-Down and Clean Up 11Storage 11Maintenance 12-14Troubleshooting 15-17Maintenance & Oil Change Charts 18Exploded View - 555.0 19Exploded View - 550.0, 551.0, 552.0, 553.0 20-21Exploded View Parts Lists 22-25Control Panel - 555.0 & Parts List 26-27Control Panel - 550.0, 551.0, 552.0, 553.0 & Parts List 28-29Hose & Spray Gun Assembly & Parts List 30Downstream Injector Assembly 31Hose Reel Option 32UU1 Unloader Exploded View and Parts List 33KS.3 Pump Exploded View and Parts List 34-35KG.2 Pump Exploded View and Parts List 36-37Karcher Sure Fire Burner Exploded View and Parts List 38-39Burner Specifications 40