Purge Pump of Air Contaminants, Ring Maintenance

Maintenance

1.Detach spray gun and nozzle extension from high pressure hose. Detach nozzle extension from spray gun and remove o-ring and screen from nozzle extension. Flush screen, spray gun, and adjustable nozzle extension with clean water to clear debris.

2.If screen is damaged, the o-ring kit contains a replacement in-line filter screen and o-ring. If undamaged, reuse screen.

3.Place in-line filter screen into threaded end of nozzle extension. Direction does not matter. Push screen in with eraser end of pencil until it rests flat at bottom of opening. Take care to not bend screen.

4.Place o-ring into recess. Push o-ring snugly against in-line filter screen.

5.Assemble nozzle extension to spray gun, as described earlier in this manual.

Purge Pump of Air and

Contaminants

To remove air from the pump, follow these steps:

1.Set up pressure washer as described in “Preparing Pressure Washer For Use”. Connect water supply and turn water on.

2.Pull trigger on spray gun and hold.

3.When water supply is steady and constant, engage safety latch.

To remove contaminants from the pump, follow these steps:

1.Set up pressure washer as described in “Preparing Pressure Washer For Use”. Connect water supply and turn water on.

2.Start engine according to instructions in “To Start Pressure Washer”.

3.Remove nozzle extension from spray gun.

4.Squeeze trigger on spray gun and hold.

5.When water supply is steady and constant, engage safety latch and reattach nozzle extension.

Nozzle Maintenance

A pulsing sensation felt while squeezing the spray gun trigger may be caused by excessive pump pressure. The principal cause of excessive pump pressure is a spray tip clogged or restricted with foreign materials, such as dirt, etc. To correct the problem, immediately clean the spray tips using the tools included with your pressure washer and follow these instructions:

1.Shut off engine and turn off water supply.

2.Remove spray tip from end of nozzle extension.

3.Remove in-line filter from other end of nozzle extension.

4.Use wire included in kit (or a small paper clip) to free any foreign material clogging or restricting spray tip (Figure 10).

Figure 10 — Nozzle Maintenance

Use wire here to

remove debris.

5.Using a garden hose, remove additional debris by back flushing water through nozzle extension (Figure 11). Back flush between 30 to 60 seconds.

Figure 11 — Backflushing the Nozzle Extension

6.Reinstall spray tip and in-line filter into nozzle extension.

7.Reconnect nozzle extension to spray gun.

8.Reconnect water supply, turn on water, and start engine.

9.Test pressure washer by operating with each Quick Connect spray tips.

O–Ring Maintenance

Through the normal operation of your pressure washer, o–rings, which keep the connections of the hoses and spray gun tight and leak–free, may become worn or damaged. An O-Ring Maintenance Kit is provided with your pressure washer which includes replacement o-rings, rubber washer and water inlet filter. Refer to the instruction sheet provided in the kit to service your unit’s o-rings. Note that not all of the parts in the kit will be used on your unit.

To remove a worn or damaged o–ring; use a small flathead screwdriver to get underneath the o-ring and pry it off.

1337PW specifications

The Husqvarna 1337PW is a powerful pressure washer designed for both residential and commercial cleaning tasks. With its robust construction and versatile features, this machine stands out in the market for its efficiency and usability.

At the heart of the 1337PW is a reliable and efficient electric motor that delivers a significant amount of pressure, making it ideal for tackling tough dirt and grime. The unit offers a maximum pressure of 2000 PSI and a flow rate of 1.3 GPM, ensuring that users can clean a variety of surfaces effectively. This combination is suitable for tasks like washing cars, cleaning driveways, patios, decks, and siding, allowing for an extensive range of applications.

One of the main features of the Husqvarna 1337PW is its lightweight and portable design. Weighing in at just 36 pounds, it is easy to maneuver, and the integrated wheel system enhances mobility across various terrains. The compact design allows for convenient storage, making it an excellent choice for homeowners with limited space.

The pressure washer is equipped with multiple nozzles that can be easily swapped out, providing flexibility for different cleaning tasks. These nozzles include 0°, 15°, 25°, and soap spray settings, giving users the ability to adjust the pressure and spray pattern according to their specific needs. This versatility ensures that whether you're dealing with delicate surfaces or tougher materials, the 1337PW has a nozzle that can handle the job.

In terms of technology, the Husqvarna 1337PW features an Automatic Stop System that enhances safety and prolongs the lifespan of the motor. The system automatically shuts off the pump when the trigger is not engaged, reducing energy consumption and wear on the unit.

The durable construction is further complemented by the inclusion of a built-in detergent tank, which simplifies the process of mixing and applying soap for those more challenging cleaning tasks. The easy-to-access tank allows for effortless refills so users can spend more time cleaning and less time preparing.

In summary, the Husqvarna 1337PW is an exceptional pressure washer that delivers power, versatility, and ease of use. With its lightweight design, adjustable nozzles, and thoughtful safety features, it stands as a reliable solution for anyone seeking an effective cleaning tool for both home and professional use. Whether you are tackling routine maintenance or deep cleaning jobs, the 1337PW is equipped to meet your demands.