Wen PW28 Manual
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Wen PW28 Manual

2800 psi
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Your new tool has been engineered and manufactured to WEN's highest standards for dependability,
ease of operation, and operator safety. When properly cared for, this product will supply you years
of rugged, trouble-free performance. Pay close attention to the rules for safe operation, warnings,
and cautions. If you use your tool properly and for intended purpose, you will enjoy years of safe,
reliable service.
PRESSURE WASHER
IMPORTANT:
NEED HELP? CONTACT US!
Have product questions? Need technical support?
Please feel free to contact us at:
800-232-1195
techsupport@wenproducts.com
WENPRODUCTS.COM
2800 PSI
Model # PW28
bit.ly/WENvideo
(M-F 8AM-5PM CST)

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Summary of Contents for Wen PW28

  • Page 1 IMPORTANT: Your new tool has been engineered and manufactured to WEN’s highest standards for dependability, ease of operation, and operator safety. When properly cared for, this product will supply you years of rugged, trouble-free performance. Pay close attention to the rules for safe operation, warnings, and cautions.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Pressure Washer Identification Service Record Introduction Safety Information General Safety Procedures Important Safety Instructions Pressure Washer Components Pressure Washer Preparation Operation Maintenance & Care Storage & Transport Specifications Troubleshooting Exploded View and Parts List Warranty Statement...

  • Page 3: Pressure Washer Identification

    PRESSURE WASHER IDENTIFICATION If assistance or service information is required, please contact the Customer Service Help Line by calling 800-232-1195; customer will be asked to provide pressure washer information when calling. Refer to the illustration below for the location of the serial number. Record pressure washer information in the spaces provided below.

  • Page 4: Introduction

    Thank You for Purchasing a WEN® Pressure Washer. This manual provides information regarding the safe operation and maintenance of this product. Every effort has been made to ensure the accuracy of the information in this manual. WEN® reserves the right to change this product and specifications at any time without prior notice.

  • Page 5: General Safety Procedures

    GENERAL SAFETY PROCEDURES For any questions regarding the hazard and safety notices listed in this manual or on the product, please call (800)-232-1195 M-F 8-5 CST before using the pressure washer. DANGER: CARBON MONOXIDE Using a pressure washer indoors CAN KILL YOU IN MINUTES. Pressure washer exhaust contains carbon monoxide (CO).

  • Page 6: Important Safety Instructions

    Always wear safety goggles to protect from possible mishaps with the stream or detergents. Always be aware of the dangers associated with the detergents and chemicals that you are working with. Attach all hoses before starting the engine. SAVE THESE INSTRUCTIONS – This manual contains important instructions for the WEN Pressure ®...

  • Page 7: Pressure Washer Components

    PRESSURE WASHER COMPONENTS Use the illustrations below to become familiar with the locations and functions of the various components and controls of this pressure washer. Handle Fuel Tank and Cap 25 ft High Pressure Hose Choke Lever Recoil Starter Engine ON/OFF Switch Muffler Air Filter High Pressure Hose Outlet...

  • Page 8: Pressure Washer Preparation

    PRESSURE WASHER PREPARATION Open the packaging and take out all loose parts from the box. Make sure all the components are accounted for before discarding the packaging. If any part is missing or broken, please contact our customer service at 1-800- 232-1195.
  • Page 9 PRESSURE WASHER PREPARATION ATTACHING FOOT ASSEMBLY (Fig. 1) PARTS NEEDED: 1 foot, 1 M8 lock nuts. 1. Raise or tilt pressure washer so you can line up foot with the hole located at the centre of the frame. 2. Align the rubber foot with the hole in the frame where the foot is to be located.
  • Page 10 PRESSURE WASHER PREPARATION ATTACHING THE SPRAY GUN (Fig. 5 & 6) 1. Screw the spray wand and the trigger handle together until they are secure. 2. Insert the inlet coupler of the spray hose into the threaded fitting on the high pressure spray gun and thread the black nut on by turning clockwise until it is hand tight.
  • Page 11 PRESSURE WASHER PREPARATION ADD GASOLINE WARNING: This pressure washer may emit highly flammable and explosive gasoline vapors, which can cause severe burns or even death if ignited. A nearby open flame can lead to explosion even if not directly in contact with gasoline. Use fresh (within 30 days from purchase), lead-free gasoline with a minimum of 87 octane rating.

  • Page 12: Operation

    PRESSURE WASHER PREPARATION CONNECTING GARDEN HOSE TO PRESSURE WASHER (Fig. 9) 1. Run water through the hose for a few seconds to flush any debris from the hose. 2. Inspect the inlet screen and remove any debris. 3. Connect hose to water inlet and tighten by hand. There must be a minimum of 10 feet of unrestricted hose between pressure washer and faucet or shut off valve.
  • Page 13 OPERATION USING THE SPRAY GUN (Fig. 11 & 12) Flip the lock tab behind the trigger up or down until it clicks to apply or remove the safety. Pull back on the trigger to begin operating pressure washer. To stop water flow, release trigger. Fig.
  • Page 14 OPERATION USING SPRAY NOZZLE (Fig. 16) 1. To connect or disconnect spray tip, pull back on the quick-connect collar. Insert or remove spray tip then release the collar. 2. When spray tip is connected, pull on the spray tip to make sure it is secured. 3.
  • Page 15 MAINTENANCE/CARE Proper routine maintenance of the pressure washer will help prolong the life of the machine. Please perform maintenance checks and operations according to the schedule in Fig. 17. If there are any questions about the maintenance procedures listed in this manual, please call: (800)-232-1195 M-F 8-5CT.

  • Page 16: Maintenance & Care

    MAINTENANCE & CARE AFTER EACH USE Follow these procedures after each use: 1. Shut off engine and turn off water supply. Release water pressure by pointing spray gun in a safe direction and squeezing the trigger. 2. Disconnect high pressure hose, spray gun, and nozzle. Drain water from items and use a rag to wipe down the outside of the hose and spray gun.
  • Page 17 MAINTENANCE & CARE AIR CLEANER MAINTENANCE Routine maintenance of the air cleaner helps maintain proper airflow to the carburetor. Occasionally check that the air cleaner is free of excessive dirt. Refer to Recommended Maintenance Schedule in Fig. 17. 1. Open the air cleaner cover. 2.
  • Page 18 MAINTENANCE & CARE HIGH ALTITUDE OPERATION Specific modifications are needed for high-altitude operations. Please contact our customer service line or go to wenproducts.com and search for our high altitude pressure washer kit for important information regarding these modifications. Operating this unit at an altitude over 3000 feet without the proper modifications may increase the engine’s emissions and decrease fuel economy and performance.

  • Page 19: Storage & Transport

    MAINTENANCE & CARE SPRAY NOZZLE If a pulsing sensation is felt while squeezing the trigger, the spray nozzle may be dirty or clogged and should be cleaned immediately. To clean the nozzle: 1. Shut off the engine and turn off the water. 2.

  • Page 20: Specifications

    SPECIFICATIONS Pressure Washer Max. Pressure 2800 PSI Max. Flow 2.3 GPM Nozzles 0°, 25°, 40°, Soap Nozzle Gun to Lance Connection M22 x 1.5 Threaded Gun to Hose Connection M22 x 1.5 Threaded Lance Length 20” Stainless Lance to Nozzle Connection Quick Change Pump Axial Cam Detergent Tank Capacity...

  • Page 21: Troubleshooting

    TROUBLESHOOTING IMPORTANT: If trouble persists, please call our customer help line at (800) 232-1195 M-F 8-5 Central Time. Problem Cause Solution Engine will not start Engine switch is set to Set engine switch to “OFF” “ON”. Choke lever is set to “Run” Turn choke lever to “Start”...

  • Page 22: Exploded View And Parts List

    EXPLODED VIEW AND PARTS LIST...
  • Page 23 EXPLODED VIEW AND PARTS LIST Parts Number Description Qty. PW28-001 Engine PW28-002 Flat Key PW28-003 Siphon Tube PW28-004 Water Pump PW28-005 Soap Drainage Hose PW28-006 Bolt PW28-007 Lower "A" Frame Assembly PW28-008 Bolt PW31B-004 Detergent Tank PW31-006 Lock Nut PW31-007...
  • Page 24 EXPLODED VIEW AND PARTS LIST Engine:...
  • Page 25 EXPLODED VIEW AND PARTS LIST Parts Number Description Qty. Parts Number Description Qty. PW31-101 Crankcase PW31-110 Dowel Pin PW28-102 Governor Arm Shaft Seal PW23-134 Head Gasket PW28-103 Governor Arm Shaft PW31-146 Push Rod PW28-104 Washer PW28-134 Oil Filler Extension PW31-107...

  • Page 26: Warranty Statement

    WEN® will repair or replace, at its discretion, any part that is proven to be defective in materials or workmanship under normal use during the two (2) years warranty period. Warranty repairs or replacements will be made without charge for parts or labor.

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