Landa HOT 2-1100 Manuals

8.917-208.0 OPERATOR’S MANUAL For technical assistance or the Landa Dealer nearest you, consult our web page at www.landa.com HOT ■ HOT 2-1100 ■ HOT2-1500 ■ HOT 4-2000 ■ HOT 3-1100 ■ HOT 3-300 89172080-1 3 CONTENTS Model Number ______________________________ Serial Number ______________________________ Date of Purchase ___________________________ The model and serial numbers will be found on a decal attached to the pressure washer. You should record both serial number and date of purchase and keep in a safe place for future reference. 8.917-208.0 • HOT Operator Manual • Rev. 03/12 Introduction & Important Safety Information 4-5, 7 Component Identifi cation 6 Installation 7 Assembly Instructions 8 Operating Instructions 9 Detergents & General Cleaning Techniques 10 Shutting Down & Clean-up 11 Storage 11 Maintenance & Service 12-14 Preventative Maintenance and Oil Change Record 15 Troubleshooting 16-18 Warranty 8.917-208.0 • HOT Operator Manual • Rev. 03/12 OPERATOR’S MANUAL PRESSURE WASHER 4 INTRODUCTION & IMPORTANT SAFETY INFORMATION Thank you for purchasing this Pressure Washer. We reserve the right to make changes at any time without incurring any obligation. Owner/User Responsibility: The owner and/or user must have an understand- ing of the manufacturer’s operating instructions and warnings before using this pressure washer. Warning information should be emphasized and understood. If the operator is not fl uent in English, the manufac- turer’s instructions and warnings shall be read to and discussed with the operator in the operator’s native language by the purchaser/owner, making sure that the operator comprehends its contents. Owner and/or user must study and maintain for future reference the manufacturers’ instructions. The operator must know how to stop the machine quickly and understand the operation of all controls. Never permit anyone to operate the engine without proper instructions. This manual should be considered a permanent part of the machine and should remain with it if machine is resold. When ordering parts, please specify model and serial number. Use only identical replacement parts. This machine is to be used only by trained op- erators. IMPORTANT SAFETY INFORMATION READ OPERATOR’S MANUAL THOROUGHLY PRIOR TO USE. WARNING: To reduce the risk of injury, read operating instruc- tions carefully before using. 1. Read the owner's manual thoroughly. Failure to follow instructions could cause mal- function of the machine and result in death, serious bodily injury and/or property dam- age. 2. Know how to stop the machine and bleed pressure quickly. Be thoroughly familiar with the controls. 3. Stay alert — watch what you are doing. 4. All installations must comply with local codes. Contact your electrician, plumber, utility company or the selling distributor for specifi c details. If your machine is rated 250 volts or less, single phase will be provided with a ground fault circuit interrupter (GFCI). If rated more than 250 volts, or more than single phase this product should only be connected to a power supply receptacle protected by a GFCI. DANGER: Improper connection of the equipment- grounding conductor can result in a risk of elec- trocution. 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 fi t the outlet, have a proper outlet installed by a qualifi ed electrician. Do not use any type of adaptor with this product WARNING KEEP WATER SPRAY AWAY FROM ELECTRICAL WIRING. WARNING: Keep wand, hose, and water spray away from electric wiring or fatal electric shock may result. 5. To protect the operator from electrical shock, the machine must be electrically grounded. It is the responsibility of the owner to connect this machine to a UL grounded receptacle of proper voltage and amperage ratings. Do not spray water on or near electrical components. Do not touch machine with wet hands or while standing in water. Always discon- nect power before servicing. RISK OF EXPLOSION: OPERATE ONLY WHERE OPEN FLAME OR TORCH IS PERMITTED WARNING WARNING: Flammable liquids can create fumes which can ig- nite, causing property damage or severe injury. WARNING: Risk of explosion — Operate only where open fl ame or torch is permitted. 6. In oil burning models, use only kerosene, No. 1 home heating fuel, or diesel. If diesel is used, add a soot remover to every tankful. RISK OF FIRE. DO NOT ADD FUEL WHEN OPERATING MACHINE. WARNING WARNING: Risk of fi re — Do not add fuel when the product is operating or still hot. WARNING: Do not use gaso- line crankcase draining or oil containing gasoline, solvents or alcohol. Doing so will result in fi re and/or explosion. 7. This pressure washer shall be installed only in locations where combustible dusts and fl ammable gases or vapors are not present. Do not store or use gasoline near this machine. 8. Do not allow acids, caustic or abrasive fl uids to pass through the pump. 9. Never run pump dry or leave spray gun closed longer than 1-2 minutes. 10. Keep operating area clear of all persons. 8.917-208.0 • HOT Operator Manual • Rev. 03/12 5 PRESSURE WASHER OPERATOR’S MAN U AL RISK OF INJECTION OR SEVERE INJURY TO PERSONS. KEEP CLEAR OF NOZZLE. WARNING WARNING: High pressure devel- oped by these machines will cause personal injury or equip- ment damage. Keep clear of nozzle. Use caution when oper- ating. Do not direct discharge stream at people, or severe in- jury or death will result. WARNING PROTECT FROM FREEZING WARNING: Protect machine from freezing. 15. To keep machine in best operating conditions, it is important you protect machine from freezing. Failure to protect machine from freezing could cause malfunction of the machine and result in death, serious bodily injury, and/or property damage. Follow storage instructions specifi ed in this manual. 16. Inlet water must be clean fresh water and no hotter then 90°F. WARNING RISK OF ASPHYXIATION. USE THIS PRODUCT ONLY IN A WELL VENTILATED AREA. WARNING: Risk of asphyxiation. Use this product only in a well ventilated area. 17. Avoid installing machines in small areas or near exhaust fans. Adequate oxygen is needed for combustion or dangerous carbon monoxide will result. 18. Manufacturer will not be liable for any changes made to our standard machines or any components not purchased from us. 19. The best insurance against an accident is precaution and knowledge of the machine. WARNING RISK OF INJURY FROM FALLS WHEN USING LADDER. WARNING: Be extremely careful when using a ladder, scaffolding or any other relatively unstable location. The cleaning area should have adequate slopes and drainage to reduce the pos- sibility of a fall due to slippery surfaces. 20. Do not overreach or stand on unstable support. Keep good footing and balance at all times. 21. Do not operate this machine when fatigued or under the infl uence of alcohol, prescription medications, or drugs. IMPORTANT SAFETY INFORMATION WARNING USE PROTECTIVE EYE WEAR AND CLOTHING WHEN OPERATING THIS EQUIPMENT. WARNING: High pressure spray can cause paint chips or other particles to become airborne and fl y at high speeds. To avoid personal injury, eye, hand and foot safety devices must be worn. 11. Eye, hand, and foot protection must be worn when using this equipment. WARNING EAR PROTECTION MUST BE WORN WARNING: This machine ex- ceeds 85 db appropriate ear protection must be worn. WARNING HOT DISCHARGE FLUID: DO NOT TOUCH OR DIRECT DISCHARGE STREAM AT PERSONS. WARNING: Hot discharge fl uid. Do not touch or direct discharge stream at persons. WARNING: This machine pro- duces hot water and must have insulated components attached to protect the operator. WARNING RISK OF INJURY. HOT SURFACES CAN CAUSE BURNS WARNING: Risk of injury. Hot surfaces can cause burns. Use only designated gripping areas of spray gun and wand. Do not place hands or feet on non-insu- lated areas of the pressure washer. 12. To reduce the risk of injury, close supervision is nec- essary when a machine is used near children. Do not allow children to operate the pressure washer. This machine must be attended during operation. TRIGGER GUN KICKS BACK - HOLD WITH BOTH HANDS WARNING WARNING: Grip cleaning wand securely with both hands before starting. Failure to do this could result in injury from a whipping wand. 13. Never make adjustments on machine while in operation. 14. Be certain all quick coupler fi t- tings are secured before using pressure washer.

8.917-210.0 SERVICE MANUAL For technical assistance or the Landa Dealer nearest you, consult our web page at www.landa.com HOT 89172100-10  HOT2-1100  HOT4-2000  HOT2-1500  HOT3-1100  HOT3-300 HOT SERVICE MANUAL • 8.917-210.0 • Rev. 09/17A PRESSURE WASHER Troubleshooting Guide 2 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION LOW OPERATING PRESSURE Faulty pressure gauge Install new gauge. Insufficient water supply Use larger garden hose; clean filter washer at water inlet. Old, worn or incorrect spray nozzle Match nozzle number to machine and/or replace with new nozzle. Plumbing or hose leak Check plumbing system for leaks. Re-tape leaks with teflon tape. Faulty or mis-adjusted unloader valve (Where applicable) Adjust unloader for proper pressure. Install repair kit when needed. Worn packing in pump Install new packing kit. Fouled or dirty inlet or discharge valves in pump Clean inlet and discharge valves. Worn inlet or discharge valves Replace with valve kit. LOW WATER TEMPERATURE Soot buildup on coils not allowing heat transfer Clean coils. Lime deposits on inside of coil Delime coil. WATER TEMPERATURE TOO HOT Defective high limit switch Replace. Insufficient water supplied Check water G.P.M. to machine. Restricted water flow Check nozzle for proper size or obstruction. DETERGENT NOT DRAWING Air leak Tighten all clamps. Check detergent lines for holes. Valve in the injector head may be blocked, dirty or damaged Clean or replace valve in injector. Filter screen on detergent suction hose plugged Clean or replace. Dried up detergent plugging metering valve Disassemble and clean thoroughly. High viscosity of detergent Dilute detergent to specifications. Hole in detergent line(s) Repair hole. Low detergent level Add detergent, if needed. Variable pressure control handle set for high pressure Turn variable pressure control handle to allow water to flow out of brass soap nozzle. PUMP RUNNING NORMALLY BUT PRESSURE LOW ON INSTALLATION Pump sucking air Check water supply and possibility of air seepage. Valves sticking Check and clean or replace if necessary. Unloader valve seat faulty Check and replace if necessary. Nozzle incorrectly sized Check and replace if necessary (See serial plate for proper size). Worn piston packing Check and replace if necessary. HOT SERVICE MANUAL • 8.917-210.0 • Rev. 09/17A 3 PRESSURE WASHER Troubleshooting Guide TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION FLUCTUATING PRESSURE Valves worn Check and replace if necessary. Blockage in valve Check and replace if necessary. Pump sucking air Check water supply and air see page at joints in suction line. Worn piston packing Check and replace if necessary. PUMP NOISY Air in suction line Check water supply and connections on suction line. Broken or weak inlet or discharge valve springs Check and clean if necessary. Excessive matter in valves Check and clean if necessary. Worn bearings Check and clean if necessary. PRESENCES OF WATER IN OIL Oil seal worn Check and replace if necessary. High humidity in air Check and change oil twice as often. WATER DRIPPING FROM UNDER PUMP Piston packing worn Check and replace if necessary. O-Ring plunger retainer worn Check and replace if necessary. Pump protector Reduce inlet water pressure. Do not close trigger on spray gun for longer than 1-2 minutes. OIL DRIPPINGS Oil seal worn Check and replace if necessary. MACHINE SMOKES Improper fuel or water in fuel Drain tank and replace contaminated fuel. Improper air adjustment Readjust air bands on burner assembly. Low fuel pressure < 140 PSI Adjust fuel pump pressure to specifications. Weak fuel pump Check fuel pump pressure. Replace pump if needed. Fuel filter partially cogged Replace as needed. Soot build up on coils Clean coils with soot remover. Lime build up in coils Clean inside of coils using Landa's coil cleaner. Improper burner nozzle See combustion assembly breakdown. Electrode is misaligned Realign electrodres to specs. Fuel pressure is to high for clean burn (Fuel PSI above 140 but less than 200) Reduce fuel PSI / increase air and band set for cleaner burn without max water heat loss. WATER TEMPERATURE TOO HOT Incoming water to machine warm or hot Lower incoming water temperature. Fuel pump pressure too high Lower fuel pressure. Fuel pump defective Replace fuel pump. Detergent line sucking air Tighten all clamps. Check detergent line for holes. Defective high limit switch Replace. Incorrect fuel nozzle size See exploded view parts list for proper size. Insufficient water supplied Check G.P.M. to machine. Restricted water flow Check nozzle for obstruction, proper size. A) SMOKES WHILE UNIT IS RUNNING B) SMOKES AT COLD-START WHEN BURNER IS OF AB AB AB AB AB AB AB AB AB B