R OPERATOR’S MANUAL MODEL # 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 ORDER # 1.575-200.0 1.575-201.0 1.575-202.0 1.575-205.0 1.575-207.0 To locate your local Kärcher Commercial Pressure Washer Dealer nearest you, visit www.karchercommercial.com 9.800-084.
CONTENTS Important Safety Information ................................................................2-3 Component Identification, Single Axle ..................................................... 4 Component Identification, Dual Axle........................................................ 5 Assembly Instructions .............................................................................. 6 Operating Instructions...........................................................................
PRESSURE WASHER OPERATOR’S MANUAL 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 understanding of the manufacturer’s operating instructions and warnings before using this pressure washer. Warning information should be emphasized and understood.
WARNING WARNING: Keep wand, hose, and water spray away from electric wiring or fatal electric shock may result. 9. Do not spray water on or near electrical components. KEEP WATER SPRAY AWAY FROM ELECTRICAL WIRING. RISK OF EXPLOSION: DO NOT SPRAY FLAMMABLE LIQUIDS. WARNING RISK OF INJECTION OR SEVERE INJURY TO PERSONS. KEEP CLEAR OF NOZZLE. WARNING: Flammable liquids can create fumes which can ignite, causing property damage or severe injury. WARNING: Risk of explosion — Do not spray flammable liquids.
Nozzle Wand Spray Gun OPERATOR’S MANUAL PRESSURE WASHER COMPONENT IDENTIFICATION — SINGLE AXLE MODELS Starter Grip Pump High Pressure Discharge Water Inlet High Pressure Hose Pump — Develops high pressure. Wand — Must be connected to the spray gun. Starter Grip— Used for starting the engine manually. High Pressure Hose — Connect one end to water pump discharge nipple and the other end to spray gun.
Nozzle Wand OPERATOR’S MANUAL Spray Gun PRESSURE WASHER COMPONENT IDENTIFICATION — DUAL AXLE MODELS Pump High Pressure Hose Water Inlet High Pressure Discharge Pump — Develops high pressure. Spray Gun — Controls the application of water and detergent onto cleaning surface with trigger device. Includes safety latch. Detergent Injector — Allows you to siphon and mix detergents (not shown). Wand — Must be connected to the spray gun.
PRESSURE WASHER OPERATOR’S MANUAL ASSEMBLY INSTRUCTIONS Spray Gun Pressure Nozzle Pressure Nozzle Wand Coupler Wand Coupler Safety Latch High Pressure Hose Wand Collar STEP 1: Attach the high pressure hose to the spray gun using teflon tape on hose threads. STEP 2: Pull the spring-loaded collar of the wand coupler back to insert your choice of pressure nozzle. STEP 3: Release the coupler collar and push the nozzle until the collar clicks. Pull the nozzle to make sure it is seated properly.
PRESSURE WASHER OPERATING INSTRUCTIONS Oil Dipstick Fuel Tank STEP 2: Fill the fuel tank with the appropriate fuel (unleaded gasoline or diesel as noted on the tank). Do not use leaded gasoline. OPERATOR’S MANUAL STEP 1: Check engine oil level. Oil level should be level with the bottom of the oil filler neck. Be sure the machine is level when checking the oil level. (Refer to the engine's operating manual included with machine.
NOZZLES Brass Soap Nozzle Variable Pressure Wand (VP) High Pressure Nozzle Variable Pressure Control Handle OPERATOR’S MANUAL PRESSURE WASHER OPERATING INSTRUCTIONS (CON'T) Trigger 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. To apply soap read operator's manual.
WARNING WARNING: Some detergents may be harmful if inhaled or ingested, causing severe nausea, fainting or poisoning. The harmful elements may cause property damage or severe injury. Quick Coupler Detergent Injector Discharge Nipple High Pressure Hose Filter If you run the engine on your pressure washer for 3-5 minutes without pressing the trigger on the spray gun, circulating water in the pump can reach high temperatures.
PRESSURE WASHER OPERATOR’S MANUAL SHUTTING DOWN AND CLEAN-UP On-Off Switch STEP 1: Remove detergent suction tube from container and insert into one gallon of fresh water. Slide nozzle forward for low pressure or to connect black detergent nozzle. Pull trigger on spray gun and siphon water for one minute. STEP 2: Turn engine switch to "OFF" position. STEP 3: Turn off water supply. High Pressure Outlet Safety Latch Water Inlet STEP 4: Press trigger to release water pressure.
PROBLEM POSSIBLE CAUSE SOLUTION LOW OPERATING PRESSURE Insufficient water supply. Closed faucet. Inlet hose kinked Use larger garden hose; clean inlet water screen. Open faucet. Clogged inlet hose strainer Check plumbing system for leaks. Retape leaks with teflon tape. Faulty or mis-adjusted unloader valve Adjust unloader for proper pressure. Install repair kit when needed. Contact local dealer. Worn packing in pump Contact local dealer.
PRESSURE WASHER Troubleshooting Guide TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION ENGINE OPERATES FOR 15 MIN. THEN STOPS Not enough gas or engine oil Fill tank with gas. Check oil level. Vapor lock developed by heat of day Keep gas tank full to avoid vapor locking. Obstruction in fuel filter Clean or replace fuel filter. ENGINE LACKS POWER Dirty air filter Replace air filter. ENGINE FALTERS Choke is opened too soon Move choke to halfway position until engine runs smoothly.
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 preventative maintenance procedures will assist in preserving the performance of your equipment. Contact your dealer for maintenance. Regular preventative maintenance will add many hours to the life of your pressure washer. Perform maintenance more often under severe conditions.
PRESSURE WASHER Specifications SPECIFICATIONS HD Models Machine Model Engine Pulley Pulley Description Engine Bushing# Bushing Description Pump Pulley Pulley Description Pump 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 HD-3.4/30 Db Cage 9.802-383.0 2BK36H 9.802-399.0 H x 1" 9.802-388.0 2BK67H 9.802-402.0 HD-3.7/35 Pb Cage 8.715-576.
Machine Description Bushing Model Belt Part No. Belt Desc./Qty. Pump Part No. Unloader Part No. Engine Description Engine 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) 8.752-148.0 HD-3.4/30 Db Cage 25mm 9.802-418.0 BX39 (2) 8.751-186.0 8.750-300.0 KD420 (401cc) 9.802-328.0 HD-3.7/35 Pb Cage 24mm 9.802-418.0 BX39 (2) 8.751-189.0 8.
OPERATOR’S MANUAL PRESSURE WASHER HOSE & SPRAY GUN ASSEMBLY AND PARTS LIST MP, BR, HD Versions 9 1 1 3 9 8 2 4 2 6 BD Versions 7 5 Detergent Injector Assembly ITEM PART NO. 1 5000 PSI Models DESCRIPTION QTY 9.802-222.0 8.711-293.0 8.904-425.0 8.725-388.0 9.802-164.0 Wand, VP W/Coupler & Nozzle X-Series (BR and HD Models) Wand, VP Lance, AL344 w/Coupler & Soap Nozzle (MP Models) Wand, Side Grip, 47.
® Phone: 888-805-9852 Fax: 800-248-8409 www.karchercommercial.com 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.
R www.karchercommercial.com Form # 9.800-084.0 • Revised 11/13 • Printed in U.S.A.
