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Manafacture: Karcher File size: 1.95 mb File name: 3d07b36b-c3b7-4e8d-a727-5e026793c174.pdf Language of manual:

The Draft Regulator (on oil-fired units) and chimney must be same size as the stack on the cleaner unit. Poor draft will cause the unit to soot-up and not operate efficiently. When installing the machine so the stack will be as straight as possible, protruding through the roof at a sufficient height to eliminate down-draft and to comply with local codes. Always disconnect the battery when servicing your cleaner. Manual Page 6 OPERATING THE MACHINE PRE-OPERATING INSTRUCTIONS 1. Connect the swivel end of the discharge hose to the cleaning gun. 2. Attach the hose to the machine outlet. 3. Check the fuel level in the fuel tank. Add fuel if required. It is best to keep fuel tank full during nonworking conditions. 4. Attach an ordinary garden hose to the float tank inlet. Turn on the water supply and let the float tank fill. 5. Place the end of the soap line into your soap solution container. OPERATING INSTRUCTIONS NOTE: On initial start up, or if machine has not been operated for several days, it is advisable to remove the nozzle from the cleaning gun and flush out any foreign material. Open the water supply. Turn on the engine and let the unit run until clear water flows through the cleaning gun. 1. Turn on the water supply. 2. Add fuel if required. Check oil levels in pump and engine before starting. 3. Install the nozzle tip into the cleaning gun. 4. Close the soap valve. (turn fully clockwise) 5. Securely hold the cleaning gun and turn the switch to position 1(pump). 6. The recommended method of cleaning is: A. Wet entire surface and remove the loose dirt with water only, B. Turn on the soap by opening the soap valve (turn the handle counterclockwise). NOTE: The operating pressure of the machine will drop to nearly zero until the soap line is primed. C. Cover the entire surface to be cleaned with soap/water solution by applying from the bottom up. Allow the soap to stay on surface four to five minutes. D. Close the soap valve and wash at high pressure with water only from the top down. NOTE: Soap will flush from the coil and discharge hose within a minute or two of operation. E. For hot water washing, turn the switch to position 2 (burner). CAUTION: If there is a sudden loss of pressure while washing with hot water, turn the burner off immediately and attempt to locate the problem while running cold water only. Failure to turn the burner off could cause excessive temperature and pressure build-up in the heating coil. Manual Page 7 SHUT DOWN INSTRUCTIONS 1. If the burner is on turn control switch to position 1(pump). 2. Run water through the pump until cool water flows from the cleaning gun. Failure to do this could result in increased coil scaling. 3. Turn the control switch to off. 4. Turn off the water supply. 5. If the machine will be exposed to freezing temperatures, see winterizing procedure. THINGS TO CHECK DAILY 1. Check oil level in pump. 2. Fill fuel tank at the end of each day’s use to prevent condensation build-up in fuel system. 3. Fill soap container. 4. Check oil level in engine. THINGS TO CHECK WEEKLY 1. Check and clean water float tank and pump inlet screen. 2. Check all hoses for leaks and damage. Repair or replace as needed. 3. Check pressure nozzle for wear. Replace if needed. 4. Check all nuts and bolts. Tighten as needed (DO NOT OVER TIGHTEN.) 5. Check all water connections for leaks. Tighten if loose. 6. Check belts and pulleys for wear and tightness. (DO NOT CHECK WHILE MACHINE IS RUNNING.) Manual Page 8 MAINTENANCE OF COMPONENTS PUMPS 1. Refer to pump section in this manual for your model of equipment. 2. Change pump oil after the first 25 hours of use. Subsequent changes should be every 250 hours or 3 months, whichever comes first. A. Disconnect power supply. B. Remove drain plug on pump and drain oil. C. If the oil has water in it, it is important to flush out the pump with oil before refilling pump with the proper oil. 3. Refilling: Replace drain plug and fill slowly to the dot in the center of sight glass, or the proper level on dip stick. Do not over fill. 4. Use high quality 30 wt. non-detergent oil. OIL BURNERS 1. BLOWER FAN: Clean blower fan in burner housing once a year or as often as needed. Dirt and deposits will reduce air delivery and affect combustion. 2. FUEL NOZZLE: Keep tip free of surface deposits wiping with a clean, solvent saturated, cloth rag. The nozzle should be changed once a year for maximum heating and emission control. 3. FUEL FILTER: Clean or replace every 400 hours or 3 months, whichever comes first (or as needed). This will help prolong fuel pump life and burner efficiency. DESCRIPTION Racor Water Separator 4. FUEL TANK: Drain one pint of fuel from bottom of fuel tank every 50 hours of use or every two weeks, whichever comes first. Check for water or contaminates in fuel. If any are present, drain and flush fuel tank then refill with clean fuel. This will prolong fuel pump life and burner efficiency. 5. ELECTRODES: Clean off carbon deposits on electrodes...

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