MODEL K 1800 G OVERVIEW Item Description 1. Water inlet 2. Detergent tray with screw 3. Knob Assembly (two each): Bolt Knob 4. Oil fill cap 5. High pressure hose 6. Detergent suction tube with filter 7. Handle 8. Accessory rack 9.
5-gallon container. • The water supply temperature must not exceed 104°F/40°C. • Never use the pressure washer to draw in water contaminated with solvents, e.g. paint thinners, gasoline, oil, etc. • Always prevent debris from being drawn into the unit by using a clean water source.
ASSEMBLY INSTRUCTIONS Step 1 Slide the handle through the accessory rack. Step 2 Align the holes of the accessory rack to the handle and fasten the four screws. Step 4 Insert the spray wand into the gun. Push in and turn clockwise to lock spray wand in place.
OPERATING INSTRUCTIONS Step 1 Fill gas tank with unleaded gasoline. Do not use leaded gasoline. Important! Do not run the engine with a high or low oil level as this can cause engine damage. If you have further questions regarding the engine, please refer to the engine’s operating manual included with the unit.
OPERATING INSTRUCTIONS Step 7 Slide the throttle control to the run position. USING THE ACCESSORIES Spray wand The spray wand allows you to adjust the cleaning pressure. To clean at maximum pressure, the wand must be positioned to the high pressure setting (+). To apply detergent, the wand must be positioned to the low pressure setting (-).
Special formula won’t clog the suction tube filter and will protect the internal parts of the pressure washer for a longer life. For Karcher Detergents, check your retailer or call: 1-800-537-4129 The following Kärcher detergents are available: •...
SHUTTING DOWN & CLEAN-UP Step 1 Remove detergent suction tube from container and insert into one gallon of fresh water. Siphon water at low pressure for one minute. Step 5 Disconnect the garden hose from the water inlet on the unit. TAKING A BREAK...
CLEANING TIPS Deck Cleaning (with or without detergent) Pre-rinse deck and surrounding area with fresh water. If using Kärcher Deck Wash, place detergent suction tube directly into cleaning solution and apply to surface at low pressure. For best results, limit your work area to smaller sections of approximately 25 square feet.
For additional engine problems Pressure built up in the refer to the engine owners manual. high pressure washer. Unit does not reach Diameter of garden hose high pressure. is too small. Water supply is restricted. Not enough inlet water supply.
TROUBLESHOOTING Symptom Cause No detergent. Detergent suction tube not properly connected to the machine. Detergent is too thick. The filter is closed. Filter on detergent suction tube is clogged. Damaged or clogged detergent suction tube. Spray wand is in high pressure position.