Pump Service: 2730B/2730H Model Pressure Washers

Pump Service: 2730B/2730H Model Pressure Washers

Repair kits are available. See the Parts List, page 18 (2730B) or page 20 (2830H). For the best results, use all parts in kits.

• The following metric wrenches are needed: 5mm, 13mm, and 22mm.

•Drain and refill pump after 50 hours of opera- tion.

Follow Pressure Relief Procedure, page 6.

Valves

For a set of six valves, order Valve Assembly Kit 804402.

1.Remove hex plug from the manifold using a 22mm wrench.

2.Examine o-ring located under hex plug. Replace if cut or distorted.

3.Remove valve assembly from cavity. The assembly may come apart!

4.Install new valve, o-ring and hex plug. Torque to 33 ft-lb (45 N◆m).

Retorque the plug after 5 hours operation.

Pumping Section

1.Remove capscrews and lock washers from manifold using a 5mm wrench.

2.Carefully separate manifold from the crankcase. You may have to lightly tap the manifold with a soft mal- let to loosen it.

CAUTION

To avoid damage to plunger or seals, keep manifold properly aligned with the ceramic plungers when you remove it.

3.Carefully examine each plunger for any scoring or cracking. Replace as necessary.

Servicing Plungers

1.Loosen plunger retaining nut five or six turns using a 13mm wrench. Push plunger toward the crankcase to separate plunger and retaining screw.

2.Remove nut from plunger and examine and clean o-ring, backup ring, and copper bearing/gasket washer.

3.Remove plunger and flinger from plunger shaft. Clean parts as necessary.

4.Inspect plunger shaft for oil leaks from crankcase. If leaking is obvious, replace oil seals. Otherwise, DO NOT remove these seals because they cannot be reused. Oil Seal Kits are available for replacing seals.

5.Lightly grease the flinger (and oil seal if it is being replaced) on plunger shaft. Then install plunger.

6.Lightly grease the retaining screw and outer end of the plunger. Place washer, o-ring and backup ring around screw and install nut through plunger.

Torque to 11 ft-lb (15 N◆m).

If replacing packings, see Servicing V-Packings, page 15.

7.Lubricate outside of each plunger. Slide the mani- fold on the crankcase, being careful not to damage seals.

8.Install capscrews and washers finger tight. Torque screws to 8.8 ft-lb (12 N◆m) following the tightening pattern in the following figure.

5 1 4 7

8 3 2 6

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14

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Graco 3340, 3030, 3540 important safety instructions Pump Service 2730B/2730H Model Pressure Washers, Valves
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2730H, 3030, 3540, 2730B, 3340 specifications

Graco is a well-known manufacturer specializing in a wide range of products designed to facilitate various tasks in painting, cleaning, and surface preparation. Among their popular offerings are the Graco 3340, 2730B, 3540, 3030, and 2730H models. Each of these products features unique characteristics and technologies that cater to different user requirements.

The Graco 3340 is engineered for robust performance, making it ideal for medium to large painting jobs. It boasts a powerful motor capable of handling higher viscosities, allowing users to work efficiently with thicker paints without compromising finish quality. Its SmartControl technology ensures consistent spray pressure, enabling a seamless application and finer finish.

The 2730B model is known for its ease of use and portability. It features a lightweight design and a simple operation mechanism, making it suitable for DIY homeowners and professionals alike. This sprayer is equipped with CleanShot technology, which eliminates the need for cleaning between color changes. With this feature, users can switch colors quickly and continue their work without downtime.

The Graco 3540 model is designed for unparalleled flexibility. It excels in diverse environments, whether for residential jobs or larger commercial projects. This unit incorporates advanced ProConnect technology, enabling quick and hassle-free pump replacements. This innovative design helps minimize downtime, ensuring that the work continues uninterrupted.

As for the Graco 3030, it is tailored for contractors seeking both power and precision. It features a compact structure with impressive pressure capabilities, allowing it to spray heavy coatings efficiently. Its robust build and high-quality components ensure reliability and longevity, making it a preferred choice for those engaged in extensive work.

Lastly, the 2730H model is specifically designed for high-volume applications where speed and efficiency are paramount. Its high-output capabilities, coupled with Graco's advanced RAC X tip technology, provide superior control over spray patterns. This sprayer allows for a rapid change of tips to accommodate different project requirements, further enhancing its versatility.

In sum, the Graco 3340, 2730B, 3540, 3030, and 2730H models deliver exceptional performance and user-friendly features, making them indispensable tools for both professionals and DIY enthusiasts. With innovative technologies that enhance efficiency and adaptability, Graco continues to support users in achieving high-quality results across various applications.
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