Pressure Washers PS4240H Pressure Washer Operator’s Manual www.simpsoncleaning.
INTRODUCTION Thank you for purchasing this Simpson® pressure washer. For nearly 50 years, Cleaning and Paint Professionals have relied on the superior quality of Simpson Cleaning Systems 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 Safety Do’s and Don’ts 4 1.1 - Danger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.2 - Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.3 - Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.0 Safety Do’s and Don’ts This machine produces a high pressure spray, follow these instructions to avoid the risk of injury. 1.1 - Wear proper face protection when operating a pressure washer. Never aim spray gun at yourself, another person, animals or plants Keep hands and feet clear of the cleaning nozzle at all times. Operate in well ventilated areas ONLY! Use ONLY those parts and accessories recommended for these machines. Never operate machine without Belt Guard securely in place. 1.
2.0 Operating Instructions 2.1 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. Check the female quick-couplers for oring seals. Replace if necessary. 2.
2.0 Operating Instructions 2.2 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. Connect gunvalve to discharge hose with quick coupler (Fig. 2.2-3). DO NOT INSTALL CLEANING NOZZLE AT THIS TIME.
2.0 Operating Instructions 2.5 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. PUT GUNVALVE TRIGGER IN LOCKED POSITION (Fig. 2.4). 3.
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 and Applying Detergent 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. Apply cleaning solution to a dry surface, starting at lower portion of areas to be washed and work upward, using long, overlapping strokes.
5.0 Maintenance 5.1 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. These oils should be changed every 100 hours.
6.0 Troubleshooting PROBLEM N o P ressure Low P ressure P ulsation or H oses V ibrating W ater Leak ing U nder P um p W ater in P um p O il PROBABLE CAUSE SOLUTION B rok en B elts (if A pplicable) Im proper B elt T ension (if A pplicable) R eplace B elts A djust B elt T ension C logged Inlet W ater F ilter C logged N ozzle C lean or R eplace W ater Inlet F ilter C lean D ebris from N ozzle W orn or Incorrect N ozzle Im proper B elt T ension (if A pplicable Im proper E ngine R .P .M .
7.0 Pressure Washer Limited Warranty At SIMPSON CLEANING SYSTEMS, we only 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.
7.0 Pressure Washer Limited Warranty (cont.) Parts / Components Simpson high pressure pumps Warranty Period and Details Five (5) years on pump (workmanship or defects on material. Lifetime on forged brass manifold against freezing. Warranty does not apply to failures on other pump parts due to: • Freight damage • Freeze damage • Damage caused by parts or accessories not obtained from / or approved by Simpson • Normal wear of moving parts or components affected by moving parts.
7103558 02/10 rev0 ©2006, Simpson Cleaning Systems, LLC. All Rights Reserved. Specifications subject to change without notice. 1265 Industrial Street • Decatur, AR 72722 • Phone: 479-524-3333 • FAX: 479-524-0033 page 14 www.simpsoncleaning.
