Simpson SM1200 Pressure Washer Manual

The Simpson SM1200 is a powerful pressure washer designed for residential and light commercial use. With a maximum pressure of 1200 PSI and a flow rate of 1.2 GPM, it effectively removes dirt, grime, and stains from various surfaces. This manual provides essential information on safety, features, setup, operation, and maintenance.

1. Features at a Glance 2. Safety Information 3. Setup Instructions 4. Specifications 5. Operating Instructions 6. Maintenance 7. Troubleshooting 8. Warranty Information

Features at a Glance

The Simpson SM1200 features a lightweight design, durable construction, and a variety of nozzles for different cleaning tasks. Key features include:

Safety Information

Read all safety instructions before operating the pressure washer. Failure to follow these instructions may result in serious injury or damage.

Setup Instructions

Follow these steps to set up your Simpson SM1200 Pressure Washer:

  1. Unpack the pressure washer and all accessories.
  2. Connect the high-pressure hose to the pressure washer and the spray gun.
  3. Attach the garden hose to the water inlet.
  4. Fill the detergent tank if using detergent.
  5. Plug the pressure washer into a grounded outlet.

Specifications

Operating Instructions

To operate the pressure washer:

  1. Turn on the water supply.
  2. Press the power button to start the motor.
  3. Select the desired spray nozzle.
  4. Pull the trigger on the spray gun to begin cleaning.

Maintenance

Regular maintenance is essential for optimal performance:

Troubleshooting

SymptomPossible CauseCorrective Action
No powerPower cord disconnectedCheck power connection and outlet.
Low pressureClogged nozzleClean or replace the nozzle.
Water leaksLoose connectionsTighten all hose connections.
Motor won't startTripped circuit breakerReset the circuit breaker.

Warranty Information

The Simpson SM1200 comes with a one-year limited warranty covering defects in materials and workmanship. For warranty claims, please contact customer service.

Simpson SM1200 Pressure Washer Manual © - All Rights Reserved 2026