Karcher HD 425 User Manual

High Pressure Washer Operator Manual
Overview ........................................................................2
Precautions................................................................ 2-4
Assembly Instructions ...................................................4
Operating Instructions...................................................5
Using the Accessories...................................................6
Working with Detergents ...............................................7
Shut Down and Clean-Up ............................................. 8
Taking a Break ............................................................... 8
Winterizing and Long-Term Storage ............................. 8
Troubleshooting ................................................... 11-12
Specifications
Max. Pressure 1150 PSI Max. Water Volume 1.8 GPM Voltage 120 V Amp Draw 13 AMPS
HD 425
Please keep the original box, packaging and receipt. Before operating this unit, please read this manual thoroughly and retain it for future reference.
5.960-859 (2005435-04-03)
OVERVIEW High Pressure Washer
2
Machine includes
1 Handle 2 Power cord 3 Detergent filter and suction tube 4 High pressure outlet 5 Trigger gun with safety lock
6 Spray wand 7 Triple jet nozzle 8 High pressure hose 9 Water inlet (not pictured)
10 On/Off switch
NEVER!
Never point nozzle at people or animals. Never drink alcohol or use drugs while operating this equipment. Never operate while standing in water. Never touch plug with wet hands. Never let electrical connections rest in water. Never operate pressure washer without the water turned on. Never use hot water.
THE BEST ANTI-FREEZE PROTECTION IS PROVIDED BY USING AND STORING THE MACHINE IN SHELTERED SPACE.
IMPORTANT PRECAUTIONS – Read First!
Safety Warnings
When using this product basic precautions should always be followed:
• Read all the instructions before using the product.
• High pressure jets can be dangerous if subject to misuse. The jet must not be directed at persons, animals, electrical devices, or the machine itself.
• T o reduce the risk of injury , do not operate the machine near children.
• Learn how to stop the machine and release pressure quickly. Be thoroughly familiar with the controls.
• Stay alert — watch what you are doing.
• Wear safety goggles.
• Do not use acids, solvents, or any other flammable material in this product. These products can cause physical injuries to the operator and irreversible damage to the machine.
• Do not operate the product when fatigued or under the influence of alcohol or drugs.
• Do not stand on unstable surfaces. Stand with both feet balanced at all times.
• To reduce the risk of electrocution, keep all connections dry and off the ground. Do not touch plug with wet hands.
• The Trigger Gun Safety Lock PREVENTS the trigger from accidentally being engaged. This safety feature DOES NOT lock trigger in the on position.
WARNING
• DO NOT USE WITH FLAMMABLE LIQUIDS AND TOXIC CHEMICALS.
• INJECTION HAZARD: EQUIPMENT CAN CAUSE SERIOUS INJURY IF THE SPRAY PENETRATES THE SKIN. DO NOT POINT THE GUN AT ANYONE OR ANY PART OF THE BODY. IN CASE OF PENETRATION SEEK MEDICAL AID IMMEDIATELY.
• THIS SYSTEM IS CAPABLE OF PRODUCING 1150 PSI. TO AVOID RUPTURE AND INJURY, DO NOT OPERATE THIS PUMP WITH COMPONENTS RATED LESS THAN 1150 PSI WORKING PRESSURE (INCLUDING BUT NOT LIMITED TO SPRAY GUNS, HOSE AND HOSE CONNECTIONS).
• BEFORE SERVICING, CLEANING OR RE­MOVAL OF ANY PARTS, SHUT OFF POWER AND RELIEVE PRESSURE.
• DO NOT SPRAY ELECTRICAL APPARATUS AND WIRING.
• IF CONNECTION IS MADE TO A POTABLE WATER SYSTEM, THE SYSTEM SHALL BE PROTECTED AGAINST BACKFLOW.
GROUNDING INSTRUCTIONS
This product must be grounded. If it should malfunction or breakdown, grounding provides a path of least resistance for electric current to reduce the risk of electric shock. This product is equipped with a cord having an equipment­grounding conductor and a grounding plug. The plug must be plugged into an appropriate outlet that is properly installed and grounded in accordance with all local codes and ordinances.
DANGER – Improper connection of the equipment-grounding conductor can result in a risk of electrocution. Check with a qualified electrician or service personnel if you are in doubt as to whether the outlet is properly grounded. Do not modify the plug provided with the product – If it will not fit the outlet, have a proper outlet installed by a qualified electrician. Do not use any type of adaptor with this product.
Extension Cords
Use a sufficient gauge:
Up to 25 ft = 12/3 AWG
25 to 50 ft = 10/3 AWG Use only 3-wire extension cords that have 3­prong grounding-type plugs and 3-pole cord connectors that accept the plug from the product. Use only extension cords that are intended for outdoor use. These extension cords are identified by a marking “Acceptable for use with outdoor appliances; store indoors while not in use.” Use only extension cords having an electrical rating not less than the rating of the product. Do not use damaged extension cords. Examine extension cord before using and replace if damaged. Do not abuse extension cord and do not yank on any cord to disconnect. Keep cord away from heat and sharp edges. Always disconnect the extension cord from the receptacle before disconnecting the product from the extension cord.
Caution
• Follow the maintenance instructions specified in the manual.
• This machine has been designed for use with cleaning detergent supplied or recommended by the manufacturer. The use of other cleaning detergents may affect the operation of the machine and void the warranty.
3
IMPORTANT PRECAUTIONS – continued
Water Supply (Cold W ater Only)
• Water hose must be at least a 1/2 inch or 5/8 inch in diameter.
• Flow rate of water supply must not fall below 2 GPM (gallons per minute).
• Flow rate can be determined by running the water for one minute into an empty 5-gallon container.
• The water supply temperature must not exceed 104°F/40°C.
• Never use the pressure washer to draw in
• Always prevent debris from being drawn into
ASSEMBLY INSTRUCTIONS
4
water contaminated with solvents, e.g. paint thinners, gasoline, oil, etc.
NOTE: Dirt in the feed water will damage the unit. To avoid this risk, we recommend fitting a water filter.
the unit by using a clean water source and an accessory water filter if required.
Step 1
Attach the high pressure hose to the spray gun.
Step 2
Attach the wand to the spray gun.
Step 3
Attach the triple jet nozzle to the wand.
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