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Kärcher DG-232437 Operator's Manual

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HD 2.3/24 P 1.575-100.0
HD 2.5/27 P 1.575-101.0
HD 3.0/30 P 1.575-102.0
HD 3.5/32 P 1.575-103.0
HD 3.8/35 P 1.575-104.0
HD 2.3/23 P 1.575-110.0
To locate your local Kärcher Commercial Pressure Washer Dealer nearest you,
please visit


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   Summary of Contents for Kärcher DG-232437

  • Page 1 OPERATOR’S MANUAL MODEL # ORDER # MODEL # HD 2.3/24 P 1.575-100.0 DG-232437 HD 2.5/27 P 1.575-101.0 DG-252737 HD 3.0/30 P 1.575-102.0 DG-303037 HD 3.5/32 P 1.575-103.0 DG-353237 HD 3.8/35 P 1.575-104.0 DG-383537 HD 2.3/23 P 1.575-110.0 DG-232336 To locate your local Kärcher Commercial Pressure Washer Dealer nearest you, please visit
  • Page 3: Table Of Contents

    CONTENTS Important Safety Information ..............4-5 Component Identification ................. 6 Assembly Instructions ................7 Operating Instructions................8-9 Applying Detergent and General Operating Techniques ......10 Shut Down and Clean-Up ..............11 Storage ....................11 Troubleshooting ................12-1 Preventative Maintenance ..............14 Oil Change Record ................14 Exploded View ..................
  • Page 4: Important Safety Information

    INTRODUCTION & IMPORTANT SAfETy INfORMATION Thank you for purchasing this Pressure Washer. WARNING: Risk of asphyxiation. WARNING We reserve the right to make changes at any time Use this product only in a well without incurring any obligation. ventilated area. 5.
  • Page 5 INTRODUCTION & IMPORTANT SAfETy INfORMATION WARNING: Be extremely careful WARNING when using a ladder, scaffold- WARNING: Flammable liquids WARNING ing or any other relatively un- can create fumes which can stable location. The cleaning ignite, causing property dam- area should have adequate age or severe injury.
  • Page 6: Component Identification

    COMPONENT IDENTIfICATION Detergent Injector Unloader Pressure Nozzle Pump Protector Detergent bucket (not included) Pump Inlet Screen Spray Gun Garden Hose (not included) Trigger Straight Through Wand Starter Grip High Pressure Hose Pump — Develops high pressure. High Pressure Hose — Connect one end to water pump discharge nipple and the other end to spray Starter Grip—...
  • Page 7: Assembly Instructions

    ASSEMbLy INSTRUCTIONS Carriage Hose/Gun Handle bolt Storage bracket Alignment bolts Holes frame Assy. Studs STEP 1: Attach the handle to the STEP 2: Insert the carriage bolt STEP 3: Attach the spray gun/hose frame of the pressure washer. through the holes from the outside storage handle and bracket to Note: It may be necessary to move of the unit and attach a nut from...
  • Page 8: Operating Instructions

    OPERATING INSTRUCTIONS Dipstick Oil Dipstick Oil Window STEP 1: Check engine oil level. Oil level should be STEP 2: Remove shipping cap and install oil dipstick. level with the bottom of the oil filler neck. Be sure the Check pump oil level by using dipstick or observe oil machine is level when checking the oil level.
  • Page 9 OPERATING INSTRUCTIONS (CON'T) On-Off Switch STEP 8: Turn the engine switch to "On" position. STEP 9: Pull the starter grip. If the engine fails to start after 2 pulls, squeeze the trigger gun to release pressure On Briggs engines, move the throttle lever to "Fast" and repeat step.
  • Page 10: Applying Detergent And General Operating Techniques

    DETERGENT AND GENERAL CLEANING TECHNIqUES THERMAL PUMP PROTECTION WARNING: Some detergents WARNING may be harmful if inhaled or If you run the engine on your pressure washer for 1-2 ingested, causing severe nau- minutes without pressing the trigger on the spray gun, sea, fainting or poisoning.
  • Page 11: Shut Down And Clean-up

    SHUTTING DOWN AND CLEAN-UP On-Off Switch STEP 1: Remove detergent suc- STEP 2: Turn off the engine. STEP 3: Turn off water tion tube from container and insert supply. into one gallon of fresh water. Slide nozzle forward for low pressure or to connect black detergent nozzle.
  • Page 12: Troubleshooting

    TROUbLESHOOTING PRObLEM POSSIbLE CAUSE SOLUTION LOW OPERATING Insufficient 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. Re-tape leaks with Teflon tape. Faulty or improperly adjusted Adjust unloader for proper pressure.
  • Page 13 TROUbLESHOOTING PRObLEM POSSIbLE CAUSE SOLUTION ENGINE Not enough gas or engine oil Fill tank with gas. Check oil level. OPERATES fOR Vapor lock developed by heat Keep gas tank full to avoid vapor locking. 15 MIN. THEN of day STOPS Obstruction in fuel filter Clean or replace fuel filter.
  • Page 14: Preventative Maintenance

    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 15: Exploded View

    ExPLODED vIEW E-z Start valve for 9, 11, 13 HP Honda Models 110, 100, Engines Only 101, 102, 103, 104 Model 110 Models 100 & 101 9.800-082.0 • Rev. 01/08...
  • Page 16: Exploded View Parts List

    ExPLODED vIEW PARTS LIST ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION Nozzle Size, See Page 19 For Proper Size Engine, See Specifications Page 4-1280000 Nozzle, .0 0° Red Pump, See Specifications Page 4-1280015 Nozzle, .0 15° Yellow Unloader, See Specifications Page 4-1280025 Nozzle, .0 25°...
  • Page 17 ExPLODED vIEW PARTS LIST CONT. ITEM PART NO. DESCRIPTION 9.802-958.0 Key, .185 Sqr x 1.75" (5 HP, 5.5 HP, 6.5 HP) 9.802-251.0 Tube, 1/4" x 1/2" Clear Vinyl 6 ft. 9.800-049.0 Label, Manufacturer's Cleaning Solution 9.802-776.0 Nut, 5/16" ESNA, NC (5 HP, 5.5 HP, 6.5 HP) 9.802-779.0 Nut, /8"...
  • Page 18: Specifications

    SPECIfICATIONS Machine Pressure Nozzle Hose Pump Pump Unloader Engine Engine Model (PSI) Size Part # Model Part # Part # Part # 1.575-100.0 2400 8.79-125.0 KG250G 9.80-822.0 9.80-899.0 GC160 (5.5) 9.802-16.0 1.575-101.0 2700 8.79-125.0 KG250G 9.80-822.0 9.80-899.0 GX200 (6.5) 9.802-17.0 1.575-102.0 000 8.79-125.0...
  • Page 19: Vba5 Unloader Exploded View And Parts List

    vbA35 UNLOADER ExPLODED vIEW 9.803-899.0 & 9.803-900.0 Unloader, 25 lpm @ 240 bAR, fits with kG2530 Pump vbA35 UNLOADER ExPLODED vIEW PARTS LIST ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 9.80-902.0 Body Valve (KG) 9.80-916.0 Spring 9.80-901.0 Body Valve (KS) 9.80-917.0 Poppet 9.80-90.0 O-Ring...
  • Page 20: Kg Pump Exploded View And Parts Lisst

    kG PUMP ExPLODED vIEW 9.803-822.0 kG2530G 9.803-823.0 kG3030G TORqUE SPECS Item # Ft.-lbs kG PUMP ExPLODED vIEW PARTS LIST ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 9.80-98.0 Crankcase 9.802-884.0 Washer See Kit Below Plunger Oil Seal 9.80-198.0 Copper Washer /8" 9.80-99.0 O-Ring Ø1.78 x 28.0 9.802-925.0...
  • Page 21 kG PUMP ExPLODED vIEW ITEM PART NO. DESCRIPTION 9.804-586.0 Crankshaft Seal 9.80-959.0 Plunger Nut See Kit Below Plunger, 15mm 9.80-962.0 Copper Spacer 9.80-96.0 O-Ring Ø1.78x5.28 9.80-156.0 Teflon Ring 9.80-964.0 Plunger Rod 9.80-965.0 Connecting Rod Pin 9.80-966.0 Connecting Rod 9.80-218.0 Spring Washer 8.9-020.0 Connecting Rod Screw 9.80-969.0...
  • Page 22 kS-1 PUMP ExPLODED vIEW 9.841-643.0 kS3040G-1 9.802-349.0 kS3540G-1 9.802-350.0 kS4040G-1 9.803-409.0 kS5030G-1 TORqUE SPECS Item # Ft.-lbs kS-1 PUMP ExPLODED vIEW PARTS LIST ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 8.717-129.0 Crankcase 9.80-198.0 Copper Washer /8" 9.80-196.0 Plunger Guide 9.802-925.0 Brass Plug /8"...
  • Page 23 kS-1 PUMP ExPLODED vIEW PARTS LIST (CONT.) ITEM PART NO. DESCRIPTION 9.80-221.0 Spring Washer 9.80-240.0 Flange Screw 9.80-24.0 Engine Screw, 5/16" 9.80-215.0 Washer 9.802-889.0 Spring Washer 9.80-244.0 Engine Screw /8" 9.80-216.0 Washer 9.80-217.0 Spring Washer 9.80-142.0 Crankshaft Seal 9.80-959.0 Plunger Nut See Kit Below Plunger, 15mm 9.80-962.0 Copper Spacer...
  • Page 25 LIMITED NEW PRODUCT Phone: 360-833-1600 WARRANTY—COMMERCIAL fax: 800-248-8409 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 26 Form #9.800-082.0 • Revised 01/08 • Printed in U.S.A.

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