HD 3.1 / 31 P 9.801-616.0 (03/15)
High Pressure Washer Operator Manual Overview... 3 Precautions... 4 Assembly Instructions... 5 Operating Instructions... 6 Using the Accessories... 7 Working with Detergents... 8 Shut Down and Clean-Up... 9 Taking a Break... 9 Winterizing and Long-Term Storage... 9 Cleaning Tips... 10-11 Optional Cleaning Accessories... 11 Troubleshooting... 12-13 2 Specifications Max. Pressure 3000 PSI Water volume 3.0 GPM Detergent suction 0.15 0.20 GPM Engine Honda GX 270 270cc Part No. 1.575-107.0 Serial No. Kärcher Commercial USA
Model HD 3.1 / 31 P OVERVIEW 3
4 IMPORTANT PRECAUTIONS Read First!
ASSEMBLY INSTRUCTIONS Step 1 Step 6 Step 2 Step 3 Step 7 5 Step 4 Step 5
OPERATING INSTRUCTIONS Step 9 Step 1 Step 2 Recommended oil for pump 6 Step 3 Step 4 Oil Change for pump Step 5 Step 6 Step 7 Step 8 Notice:
USING THE ACCESSORIES 7
WORKING WITH DETERGENTS Step 1 Step 2 Step 3 8 Step 4 Caution Never use: Bleach, Chlorine products and other corrosive chemicals Liquids containing solvents (i.e., paint thinners, gasoline, oils) Tri-sodium phosphate products Ammonia products Acid-based products These chemicals will harm the unit and will damage the surface being cleaned.
SHUTTING DOWN Step 1 TAKING A BREAK... FIVE MINUTES OR MORE Step 1 Step 2 Step 2 Step 3 Step 3 Step 4 Step 5 WINTERIZING AND LONG-TERM STORAGE few seconds 9 Step 6 Step7 Caution: Failure to follow the above directions will result in damage to the pump assembly and accessories.
CLEANING TIPS Deck Cleaning Cement Patios, Brick and Stone Cars, Boats & Motorcycles 10 House Siding (with or without detergent)
CLEANING TIPS continued Barbecue Grills, Outdoor Power Equipment & Gardening Tools Recommendations OPTIONAL CLEANING ACCESSORIES 11 Patio & Lawn Furniture
TROUBLESHOOTING No gasoline. - Fill gas tank. Choke is not in correct position. - Slide choke lever out to closed position. Engine throttle is not in correct position. - Slide the throttle lever up about 1/3 of the way toward the fast positon. Pressure built up in the high pressure washer. - Squeeze the trigger to release the pressure. For additional engine problems refer to the engine owners manual. Not enough inlet water supply. - Turn water on full force. Check garden hose for kinks, leaks or blockage. Pump is sucking air. - Check that hoses and fittings are air tight. Turn off machine and purge pump by squeezing trigger gun until a steady flow of water emerges through the nozzle. Water inlet filter is clogged. - Remove filter and rinse out in warm water. Spray nozzle is obstructed. - Blow out or remove debris with a fine needle. Calcified gun, hose or spray wand. - Run distilled vinegar through detergent suction tube. 12 Diameter of garden hose is too small. - Replace with a 3/4 inch garden hose. Water supply is restricted. - Check garden hose for kinks, leaks and blockage. Not enough inlet water supply. - Open water source full force. Water inlet filter is clogged. - Remove filter and rinse out in warm water. Black detergent nozzle is attached. - Remove black detergent nozzle and attach a high pressure nozzle. Detergent suction tube not properly connected to the machine. - Check connection. Detergent is too thick. - Dilute detergent. For best results, use Kärcher detergent. Detergent filter valve is at lowest setting. - Set detergent filter valve to a higher setting. Filter on detergent suction tube is clogged. - Run warm water through filter to remove debris. Damaged or clogged detergent suction tube. - Remove obstruction or replace detergent suction tube. A high pressure nozzle is attached. - Replace with black detergent nozzle. Spray nozzle is obstructed. - Blow out or remove debris with fine needle.
TROUBLESHOOTING continued Loose fittings. - Tighten fittings. Missing/worn rubber washer. - Insert new washer. Kärcher Commercial USA Spray wand not properly attached. - Attach the wand to the spray gun. Turn the wand collar clockwise onto the gun threads until tight. Broken o-ring. - Call Kärcher customer service hotline and order an o-ring. Pump is sucking air. - Check that hoses and fittings are air tight. Turn off machine and purgepump by squeezing trigger gun until a steady flow of water emerges through the nozzle. 13 Loose fittings. - Check that all fittings are tight. Water seals are damaged or worn. - Call customer service. Thermal protection device is activated. - Thermal protection device will auto reset. Do not run pump for more than 5 minutes without spraying. Oil seals are damaged or worn. Call customer service.