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Kärcher HD 4.0/50 Pb Cage Operator's Manual

Karcher hd 4.0/50 pb cage; hd 4.5/50 pb cage; hd 3.4/30 db cage; hd 3.7/35 pb cage; hd 4.0/40 pb cage pressure washer with combustion engine
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HD 4.0/50 Pb Cage
HD 4.5/50 Pb Cage
HD 3.4/30 Db Cage
HD 3.7/35 Pb Cage
HD 4.0/40 Pb Cage
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  Summary of Contents for Kärcher HD 4.0/50 Pb Cage

  • Page 1 OPERATOR’S MANUAL MODEL # ORDER # HD 4.0/50 Pb Cage 1.575-200.0 HD 4.5/50 Pb Cage 1.575-201.0 HD 3.4/30 Db Cage 1.575-202.0 HD 3.7/35 Pb Cage 1.575-205.0 HD 4.0/40 Pb Cage 1.575-207.0 To locate your local Kärcher Commercial Pressure Washer Dealer nearest you, visit
  • Page 3: Table Of Contents

    CONTENTS Important Safety Information ..............2-3 Component Identifi cation, Single Axle ............. 4 Component Identifi cation, Dual Axle ............5 Assembly Instructions ................6 Operating Instructions................7-8 Applying Detergent and General Operating Techniques ......9 Shut Down and Clean-Up ..............10 Troubleshooting ................11-12 Preventative Maintenance and Oil Change Record .......
  • Page 4: Important Safety Information

    INTRODUCTION & IMPORTANT SAFETY INFORMATION Thank you for purchasing this Pressure Washer. WARNING: Risk of asphyxiation. WARNING Use this product only in a well We reserve the right to make changes at any time ventilated area. without incurring any obligation. 5.
  • Page 5: Important Safety Information

    IMPORTANT SAFETY INFORMATION WARNING: Keep wand, hose, and WARNING: High pressure devel- WARNING WARNING water spray away from electric oped by these machines will wiring or fatal electric shock may cause personal injury or equip- result. ment damage. Keep clear of nozzle.
  • Page 6: Component Identifi Cation, Single Axle

    COMPONENT IDENTIFICATION — SINGLE AXLE MODELS Nozzle Wand Spray Gun Starter Grip Pump High Pressure Water Inlet Discharge High Pressure Hose Pump — Develops high pressure. Wand — Must be connected to the spray gun. Starter Grip— Used for starting the engine man u al ly. High Pressure Hose —...
  • Page 7: Component Identifi Cation, Dual Axle

    COMPONENT IDENTIFICATION — DUAL AXLE MODELS Nozzle Wand Spray Gun Pump High Pressure Hose Water Inlet High Pressure Discharge Pump — Develops high pressure. High Pressure Hose — Connect one end to water pump discharge nipple and the other end to spray Spray Gun —...
  • Page 8: Assembly Instructions

    ASSEMBLY INSTRUCTIONS Pressure Pressure Spray Nozzle Nozzle Wand Wand Safety Coupler Coupler Latch High Pressure Wand Hose Collar STEP 1: Attach the high pressure STEP 2: Pull the spring-loaded col- STEP 3: Release the coupler collar hose to the spray gun using tefl on lar of the wand coupler back to insert and push the nozzle until the collar tape on hose threads.
  • Page 9: Operating Instructions

    OPERATING INSTRUCTIONS Fuel Dipstick Tank STEP 1: Check engine oil level. Oil level should be level with the bottom STEP 2: Fill the fuel tank with the of the oil fi ller neck. Be sure the machine is level when checking the oil appropriate fuel (unleaded gasoline level.
  • Page 10 OPERATING INSTRUCTIONS (CON'T) NOZZLES Brass Soap Nozzle Variable Pressure Wand (VP) High Pressure Nozzle Variable Pressure Trigger Control Handle Selection of high or low pressure is accompanied by turning the handle. Note: High pressure nozzle must be inserted at end of wand to obtain high pressure.
  • Page 11: Applying Detergent And General Operating Techniques

    APPLYING DETERGENT & GENERAL CLEANING TECHNIQUES WARNING: Some detergents THERMAL PUMP PROTECTION WARNING may be harmful if inhaled or in- gested, causing severe nausea, If you run the engine on your pressure washer for 3-5 fainting or poisoning. The harm- minutes without pressing the trigger on the spray gun, ful elements may cause property circulating water in the pump can reach high tempera-...
  • Page 12: Shut Down And Clean-Up

    SHUTTING DOWN AND CLEAN-UP On-Off Switch STEP 1: Remove detergent suction STEP 2: Turn engine switch to "OFF" STEP 3: Turn off water tube from container and insert into position. supply. one gallon of fresh water. Slide nozzle forward for low pressure or to connect black detergent nozzle.
  • Page 13: Troubleshooting

    TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION LOW OPERATING Insuffi cient water supply. Closed Use larger garden hose; clean inlet water PRESSURE faucet. Inlet hose kinked screen. Open faucet. Clogged inlet hose strainer Check plumbing system for leaks. Retape leaks with tefl on tape. Faulty or mis-adjusted unloader Adjust unloader for proper pressure.
  • Page 14 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION ENGINE OPERATES Not enough gas or engine oil Fill tank with gas. Check oil level. FOR 15 MIN. THEN Vapor lock developed by heat of Keep gas tank full to avoid vapor locking. STOPS Obstruction in fuel fi lter Clean or replace fuel fi...
  • Page 15: Preventative Maintenance And Oil Change Record

    PREVENTATIVE MAINTENANCE This pressure washer was produced with the best available materials and quality craftsmanship. However, you as the owner have certain responsibilities for the correct care of the equipment. Attention to regular preventa- tive maintenance procedures will assist in preserving the performance of your equipment. Contact your dealer for maintenance.
  • Page 16: Specifi Cations

    SPECIFICATIONS HD Models Machine Engine Pulley Engine Bushing Pump Pulley Pump Model Pulley Description Bushing# Description Pulley Description Bushing# HD-4.0/50 Pb Cage 9.802-392.0 3TB34 9.802-404.0 P2 x 1" 9.802-396.0 3BK90H 9.802-402.0 HD-4.5/50 Pb Cage 9.802-392.0 3TB34 9.802-405.0 P2 x 1-1/8" 8.715-618.0 3BK80H 9.802-402.0...
  • Page 17 SPECIFICATIONS Machine Bushing Belt Belt Pump Unloader Engine Engine Description Model Part No. Desc./Qty. Part No. Part No. Description Part No. HD-4.0/50 Pb Cage 25mm 8.749-965.0 3BX42 (1) 8.921-657.0 9.802-360.0 GX630 (688cc) 8.752-149.0 HD-4.5/50 Pb Cage 25mm 8.749-965.0 3BX42 (1) 8.921-657.0 9.802-360.0 GX660 (688cc)
  • Page 18: Hose And Spray Gun Assembly

    HOSE & SPRAY GUN ASSEMBLY AND PARTS LIST MP, BR, HD Versions BD Versions 5000 PSI Models Detergent Injector Assembly ITEM PART NO. DESCRIPTION 9.802-222.0 Wand, VP W/Coupler & Nozzle X-Series (BR and HD Models) 8.711-293.0 Wand, VP Lance, AL344 w/Coupler & Soap Nozzle (MP Models) 8.904-425.0 Wand, Side Grip, 47.5"...
  • Page 19: Warranty

    ® Phone: 888-805-9852 LIMITED NEW PRODUCT Fax: 800-248-8409 WARRANTY—COMMERCIAL PRESSURE WASHERS WHAT THIS WARRANTY COVERS All Kärcher commercial pressure washers are warranted by Kärcher to the original purchaser to be free from defects in materials and workmanship under normal use, for the periods specified below. This Limited Warranty, subject to the exclusions shown below, is calculated from the date of the original purchase, and applies to the original components only.
  • Page 21 Form # 9.800-084.0 • Revised 11/13 • Printed in U.S.A. or Mexico...