Pressure Washers Simpson® Water Shotgun® Series Cold Water Belt Drive Pressure Washer Operator’s Manual www.simpsoncleaningsystems.
INTRODUCTION Thank you for purchasing this Simpson® pressure washer. For over 40 years, Cleaning and Paint Professionals have relied on the superior quality of Simpson® for their pressure washing needs. Whether you purchased this machine to produce income or simply wanted the best pressure washer on the market today, we truly appreciate your business. Please take time to carefully read this manual and become familiar with your pressure washer.
Table of Contents 1.0 Important Safety Warnings 4 1.1 - Fire and Ventilation Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.2 - Warning: High Pressure Spray. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.3 - Detergent Cleaning Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.
1.0 IMPORTANT SAFETY WARNINGS TO THE OWNER: This manual contains safety suggestions and important instructions regarding this equipment. The basic machine and fuel systems are explained. Use the information applicable to your particular machine. Read this manual thoroughly and retain for future reference.
1.0 IMPORTANT SAFETY WARNINGS (cont.) IMPORTANT SAFETY INSTRUCTIONS WARNING - When using this product basic precautions should always be followed, including the following: 1.1 FIRE & VENTILATION PRECAUTIONS - Using a pressure washer indoors CAN KILL YOU IN MINUTES. Engine exhaust contains carbon monoxide. This is a poison you cannot see or smell. Operate in well ventilated areas ONLY! If the machine is to be used in an enclosed area, always provide approved vent stacks.
1.0 IMPORTANT SAFETY WARNINGS (cont.) 1.3 DETERGENT CLEANING PRECAUTIONS - DO NOT use solvents or highly corrosive chemicals or acid type cleaners with this pressure washer. NEVER spray toxic liquids or chemicals. - DO NOT use detergents that are not compatible with the discharge hose. Read and follow the instructions given by the detergent manufacturer. - Keep all detergents out of reach of children and untrained adults. Proper safety precautions must be taken before handling any chemicals.
1.0 IMPORTANT SAFETY WARNINGS (cont.) 1.6 Machine Warning Tags and Specification Plate FIG. 1.1 - INTERNATIONAL WARNING SYMBOLS LOCATED ON THE BELT GUARD OR FRAME: 1. 2. 3. 4. 5. 6. 7. Warning Symbol Read Operating manual Wear Eye Protection Do not spray any person or animal Do not spray electrical components Do not touch hot engine Do not touch belt or moving parts during operation Valve will open after excessive heat buildup in system. FIG. 1.
2.0 Operating Instructions Reference the IMPORTANT SAFETY WARNINGS section of this manual before operating. 2.1 Glossary of Terms Air Filter - Protects engine by filtering dust and debris out of intake air. Thermal Relief Valve - Cycles cool water through pump when water reaches 140°F. Warm water will discharge from pump onto ground. This system prevents internal pump damage.
2.0 Operating Instructions (cont.) Reference the IMPORTANT SAFETY WARNINGS section of this manual before operating. 2.2 Machine Preparation 1. Check oil level in the pump and fill with proper grade of oil (Fig. 2.1-1) (See Pump Maintenance). 2. Check engine oil level and fill with proper grade oil if necessary (Fig. 2.1-2). 3. Check fuel supply (Fig. 2.1-3). Fill if necessary (see engine owner’s manual.) 4. Check the hose, gun, and accessories for damage or wear. Repair or replace if necessary. 5.
2.0 Operating Instructions (cont.) Reference the IMPORTANT SAFETY WARNINGS section of this manual before operating. 2.3 Hose Connections (cont.) 1. Connect discharge hose to machine outlet. (Fig. 2.2-1) 2. If optional low pressure downstream, in-line chemical injector is to be used (i.e. a Simpson SC 242 or 252 Series chemical injector) connect the injector at this time (Fig. 2.2-2). For instructions on connections and use, see in-line chemical injector operating instructions 3.
2.0 Operating Instructions (cont.) Reference the IMPORTANT SAFETY WARNINGS section of this manual before operating. 2.4 Before Starting Machine DO NOT OPERATE GASOLINE AND DIESEL ENGINES IN ENCLOSED AREAS! OPERATE IN WELL VENTILATED AREAS ONLY! FIGURE 2.3 - GUNVALVE, EXTENSION, & NOZZLE 1. 2. 3. 4. Locate machine on a level plane. Turn on water supply. There should be no nozzle in the extension at this point. Pull gun trigger, allowing air in system to escape.
2.0 Operating Instructions (cont.) Reference the IMPORTANT SAFETY WARNINGS section of this manual before operating. 2.6 Pressure Washing WEAR PROPER FACE PROTECTION WHEN OPERATING A PRESSURE WASHER! 1. Select the cleaning nozzle or accessory best suited for the cleaning job. NOTE: Some accessory nozzles function as both a high pressure cleaning nozzle and low pressure chemical injector nozzle (i.e. vari-tip nozzles). See specific accessory nozzle operating instructions for more information. 2.
3.0 Cleaning Nozzles There are up to five different quick connect nozzle spray tips, four high pressure and one low pressure “Soap” nozzle. The operator can select a high pressure nozzle spray pattern which best suits the cleaning application. THE BLASTER: (RED) Provides a concentrated spot of high pressure water allowing you to be further from the surface being cleaned and to blast off stubborn material.
4.0 Cleaning With and Applying Detergent Reference the IMPORTANT SAFETY WARNINGS section of this manual before operating. IMPORTANT: Use detergents designed specifically for pressure washers. Household detergents could damage pump. To apply detergent follow these steps: 1. Prepare pressure washer detergent solution as required by manufacturer. 2. Place detergent siphon tube/filter into solution. 3. Make sure “SOAPER” nozzle (Black) is installed. 4.
5.0 Moving and Storage Instructions 5.1 Moving or Transporting High pressure water can remain in the unit even after it has been shut off. Always relieve the pressure in the system immediately after shutdown. - Be sure fuel valve is closed. - Do not tilt unit more than degress from horizontal. - When transporting the unit in a vehicle, secure it in place to prevent shifting or tipping. 5.2 Storage Protect unit from freezing.
6.0 Maintenance 6.1 Pump Crankcase Lubrication Proper pressure washer pump crankcase lubrication will help extend the working life of the machine. Follow these important recommended guidelines: - Change oil after initial 50 hour run-in period. - Simpson® pump oil is recommended as the first choice. Change Simpson® pump oil at 250 hour intervals. - If Simpson® pump oil is not available, a high quality 30 weight non-detergent oil may be used.
6.0 Pump and Unloader Valve Diagnosis PROBLEM PROBABLE CAUSE SOLUTION No Pressure. Broken Belts. Replace Belts. A.P.R. system binding. Remove A.P.R., flush UV with water. Clean A.P.R. parts and replace. Rebuild Unloader Valve (Service Center). Remove Valves and clean. Flush Manifold. Install Inlet Water Filter. Worn Piston U-Cup. Debris In Valves of Pump. Not Unloading. Leak in Gunvalve or Hose. Damaged Piston U-Cup. Repair gun leak . Replace leaking or broken hoses.
8.0 Pressure Washer Limited Warranty At SIMPSON® CLEANING SYSTEMS, we distribute top quality industrial / commercial / personal pressure washers that are designed for heavy-duty use, maximum reliability, durability, and long life. Our pressure washers are built for all duty applications and steady use due to higher quality levels. The manufacturer of this product agrees to repair or replace designated parts that prove defective within the warranty period of one (1) year listed in the chart below.
8.0 Pressure Washer Limited Warranty (cont.) Parts / Components Simpson® high pressure pumps (pumps other than Simpson® covered by pump manufacturer warranty) Warranty Period and Details Seven (7) years on pump workmanship or defects in material. Lifetime on forged brass manifold against freezing.
MANUAL-WATERSHOTGUN Eng Rev0 ©2006, Simpson Cleaning Systems, LLC. All Rights Reserved. Specifications subject to change without notice. 1111 E. Lake Francis Drive • Siloam Springs, AR 72761 • Phone: 479-524-3333 • FAX: 479-524-0033 www.simpsoncleaningsystems.
