Bosch AQT 37-13 Plus

Bosch AQT 37-13 Plus 1700-Watt Home and Car Washer

Model: AQT 37-13 Plus

1. Introduction

Thank you for choosing the Bosch AQT 37-13 Plus 1700-Watt Home and Car Washer. This high-pressure washer is designed for efficient cleaning of vehicles, patios, garden furniture, and other outdoor surfaces. This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your new appliance. Please read this manual thoroughly before first use and keep it for future reference.

2. Safety Information

General Safety Warnings

  • Always read and understand all safety warnings, instructions, illustrations, and specifications provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire, and/or serious injury.
  • Do not direct the jet at persons, animals, live electrical equipment, or the appliance itself.
  • Wear appropriate personal protective equipment, including eye protection, during operation.
  • Ensure the electrical supply is properly grounded and protected by a residual current device (RCD) with a tripping current of no more than 30 mA.
  • Never operate the pressure washer with damaged cords or hoses. Inspect them regularly for signs of wear or damage.
  • Keep children and bystanders away while operating the pressure washer.
  • Do not use the appliance if the supply cord or important parts of the appliance are damaged, e.g., safety devices, high-pressure hoses, trigger gun.
  • Always disconnect the plug from the power outlet before performing any cleaning or maintenance.

3. Package Contents

Your Bosch AQT 37-13 Plus package should contain the following items:

  • Bosch AQT 37-13 Plus Machine Unit
  • High-Pressure Hose (6 meters)
  • High-Pressure Gun
  • Lance
  • Variable Fan Jet Nozzle
  • Water Filter
  • Deluxe Patio Cleaner
  • 90-degree Nozzle
  • Wash Brush
Bosch AQT 37-13 Plus pressure washer with all included accessories

Image 3.1: Overview of the Bosch AQT 37-13 Plus and its complete set of accessories.

4. Setup

4.1 Unpacking

Carefully remove all components from the packaging. Check for any damage during transit. Retain the packaging for future storage or transport.

4.2 Assembly

  1. Attach the Handle: Slide the handle into the designated slots on the main unit until it clicks into place.
  2. Connect the High-Pressure Hose: Screw the high-pressure hose securely to the outlet on the front of the machine. Connect the other end of the hose to the trigger gun.
  3. Attach the Lance and Nozzle: Insert the lance into the trigger gun and twist to lock. Then, attach your desired nozzle (e.g., Variable Fan Jet Nozzle) to the end of the lance.
  4. Connect Water Supply: Connect a garden hose (not supplied) to the water inlet on the pressure washer. Ensure the water filter is properly installed in the inlet. Connect the other end of the garden hose to a water tap. Ensure the water supply is clean and free of debris.
  5. Connect Power: Plug the power cable into a suitable 16A grounded electrical outlet. Ensure the power cable is fully uncoiled to prevent overheating.
Assembled Bosch AQT 37-13 Plus pressure washer with gun and lance attached

Image 4.1: The Bosch AQT 37-13 Plus pressure washer fully assembled and ready for water and power connection.

5. Operating Instructions

5.1 Before Starting

  • Ensure all connections are secure.
  • Open the water tap fully.
  • Squeeze the trigger gun to purge air from the system until a steady stream of water emerges from the nozzle. This protects the pump.

5.2 Starting the Pressure Washer

Switch the ON/OFF button to the 'ON' position. The motor will start. Release the trigger gun safety lock and press the trigger to begin spraying. The motor will run only when the trigger is pressed.

5.3 Using Attachments

  • Variable Fan Jet Nozzle: Ideal for general cleaning. Adjust the spray pattern by rotating the nozzle head.
  • Deluxe Patio Cleaner: Connect this attachment for efficient and splash-free cleaning of large flat surfaces like patios and driveways.
  • 90-degree Nozzle: Useful for reaching difficult areas, such as under car wheel arches or gutters.
  • Wash Brush: For gentle cleaning of surfaces that require scrubbing, such as car bodies or delicate outdoor furniture.

5.4 Shutting Down

  1. Switch the ON/OFF button to the 'OFF' position.
  2. Turn off the water tap.
  3. Squeeze the trigger gun to release any remaining pressure in the system.
  4. Disconnect the power plug from the outlet.
  5. Disconnect the water supply hose and high-pressure hose.

6. Maintenance

6.1 Cleaning

  • Regularly clean the water filter located at the water inlet to prevent blockages.
  • Wipe down the exterior of the machine with a damp cloth. Do not use harsh cleaning agents.
  • Clear any debris from nozzles and attachments after use.

6.2 Storage

  • Store the pressure washer in a dry, frost-free location.
  • Drain all water from the pump, hoses, and accessories before storing, especially in cold climates, to prevent damage from freezing.
  • Coil the high-pressure hose and power cable neatly.

7. Troubleshooting

If you encounter issues with your pressure washer, refer to the table below for common problems and their solutions.

ProblemPossible CauseSolution
Motor does not startNo power supply; ON/OFF switch in 'OFF' position; Thermal overload activated.Check power connection; Switch to 'ON'; Allow motor to cool down.
No water output or low pressureWater tap closed; Water filter blocked; Air in pump; Kinked hose; Nozzle blocked.Open tap; Clean filter; Purge air by squeezing trigger; Straighten hose; Clean nozzle.
Pulsating pressureAir in pump; Water supply insufficient; Nozzle partially blocked.Purge air; Ensure adequate water flow; Clean nozzle.
Water leakageLoose connections; Damaged O-rings or seals.Tighten connections; Replace damaged parts.

8. Technical Specifications

SpecificationValue
ModelAQT 37-13 Plus
Power1700 Watts
Maximum Pressure130 Bar
Maximum Flow Rate370 litre/hour
Hose Length6 meters
Power Cable Length5 meters
Product Dimensions (LxWxH)35.5 x 35.5 x 43.5 cm
Item Weight10.08 kg

9. Warranty and Support

The Bosch AQT 37-13 Plus comes with a 6-month warranty on the product from the date of purchase. Please retain your purchase receipt as proof of purchase for warranty claims.

For technical assistance, spare parts, or warranty service, please contact Bosch customer support in your region. Refer to the contact information provided in your product packaging or on the official Bosch website.