Graco Inc 800-671, 308-523, 800-672, 800-674 Accessories, Technical Data, Servicing the V±Packings

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Servicing the V±Packings

NOTE: There are two types of packing kits: one is just packings only, the other includes the packings, rings and retainers.

1.Remove the manifold as outlined in the Pumping Section.

2.Carefully pull the packing retainer from the manifold. Examine the o±ring and replace it if it is cut or damaged.

3.Remove the v±packing and head ring. Pull out the intermediate retainer ring. Remove the second v±packing and second head ring.

4.Inspect all parts and replace as necessary.

5.Thoroughly clean the packing cavities and examine for debris and damage.

6.Lightly grease the packing cavities and then replace the packings in the following order: head ring, v±packing, intermediate ring, head ring, v±packing and packing retainer with the o±ring installed in the retainer groove.

CAUTION

Install the parts in the proper order and facing the correct direction. Improperly installed parts will cause a malfunction.

7.Reassemble the manifold as instructed in Servicing the Plungers.

ACCESSORIES

(Must be purchased separately)

DOWNSTREAM CHEMICAL INJECTOR KIT 800±117

For injecting harsh cleaning chemicals downstream from the pump.

UPSTREAM CHEMICAL INJECTOR KIT 800±257

For injecting mild cleaning chemicals upstream into the pump.

TECHNICAL DATA

BACKFLOW PREVENTOR 801±133

Prevent back±up of contaminated water into fresh supply. Install upstream of pump.

ANTI±FREEZE FLUSH KIT 802±327

For flushing system with 50% anti±freeze solution prior to transporting or storing pressure washer in below freezing temperatures.

INLET PRESSURE REGULATOR 800±258

Regulates inlet water pressure to 60 psi (4 bar) maximum.

 

Model 800±670

Model 800±671

Model 800±672

Model 800±674

 

 

 

 

 

Engine

5 hp Briggs &

5 hp Honda OHV

8 hp Briggs &

8 hp Honda OHV

(air±cooled, 4 cycle)

Stratton I/C

 

Stratton I/C

 

Gasoline Tank Capacity

3 quarts (2.8 liter)

3.8 quarts (3.6 liter)

6 quarts (5.7 liter)

6.2 quarts (6 liter)

Water Pump Maximum

1500 psi (103 bar)

1500 psi (103 bar)

2000 psi (138 bar)

2000 psi (138 bar)

Working Pressure

 

 

 

 

Water Pump Maximum Flow

3.5 gpm (13 lpm)

3.5 gpm (13 lpm)

4 gpm (15 lpm)

4 gpm (15 lpm)

 

 

 

 

 

Inlet Hose Connection

3/4º garden hose (f)

3/4º garden hose (f)

3/4º garden hose (f)

3/4º garden hose (f)

 

 

 

 

 

Weight

105 lb (48 kg)

105 lb (48 kg)

152 lb (68 kg)

158 lb (70 kg)

Dimensions

37º (940 mm)

37º (940 mm)

36º (914 mm)

36º (914 mm)

Length

Width

19º (483 mm)

19º (483 mm)

21º (533 mm)

21º (533 mm)

Height

20º (508 mm)

20º (508 mm)

22.5º (572 mm)

22.5º (572 mm)

 

 

 

 

 

Maximum Inlet Water

160_￿ F (70_￿ C)

160_￿ F (70_￿ C)

160_￿ F (70_￿ C)

160_￿ F (70_￿ C)

Temperature

 

 

 

 

Wetted Parts

Acrylonitrile and Buna±N cover and tube

 

 

High Pressure Hose

 

 

Bypass Hose

Synthetic yarn and EPDM

 

 

Pressure Washer

Anodized aluminum, Aluminum or bronze alloys, Brass Copper, Nylon±PTFEr composite,

(including fittings)

Ceramic, Buna±N, Cotton phenolic, 303, 304, and 316 Stainless steel, Polymide±12

 

thermoplastic, PTFE,r Carbon steel, Zinc with or without yellow chromate plate

 

r

 

 

 

 

 

 

 

 

 

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Contents COPYRIGHT 1990, Graco INC HYDRA-CLEAN1535 Pressure WasherMedical Treatment General SafetyPressure Relief Procedure Spray Gun Safety DevicesSystem Pressure Hose SafetyEquipment Misuse Hazard Fuel and Emission HazardsTerms Moving Parts HazardConnect to Water Supply InstallationSet Up Check for Shipping DamageStartup Installing and Changing Spray Tips Trigger Safety LatchSHUTDOWN, Flushing Storage MaintenanceProblem Troubleshooting ChartParts Drawing 800±672 & 800±674 Hydra±Cleanr 2040 Pressure WasherParts List 800±670 & 800±671 Hydra±Cleanr 1535 Pressure Washer 801±569 Quick Coupler 802±300 Pump & Gear ReducerAssembling the Gear Reducer Replacing the O±RingReplacing the Gasket Replacing the Oil SealPart Description QTY Replacing the Oil Seals 802±143 Gear Reducer Model 802±265 Pump Assembly, 1500 psi KIT KIT Valve AssemblyManifold KIT ±RING803±405 Pump Assembly, 2000 psi Packing KIT CAP Washer Valve AssemblyShim ±RING KITServicing the Plungers Pump ServiceValves Pumping SectionServicing the V±Packings AccessoriesTechnical Data Graco INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440±1441 Graco WarrantyImportant Phone Numbers

800-670, 800-671, 800-674, 800-672, 308-523 specifications

Graco Inc is a leading manufacturer of fluid handling systems and products, recognized for its innovative solutions in a variety of industries, including construction, automotive, industrial, and more. Among its extensive lineup, Graco offers a range of air-assisted airless sprayers, electric sprayers, and hydraulic sprayers, designed for professional applications. The model numbers 800-674, 308-523, 800-670, 800-672, and 800-671 refer to specific units designed to meet diverse needs, each boasting unique features that contribute to efficiency, precision, and ease of use.

One of the main features of these Graco products is their advanced spray technology. Graco has developed a unique air-assisted airless technology that combines the benefits of both traditional airless spraying and air sprayers. This results in a fine finish with reduced overspray and improved transfer efficiency. Users benefit from the ability to tackle various coatings, from thick materials to thin stains, with consistent results.

Durability is another key characteristic of Graco sprayers. These units are built with high-quality materials, ensuring they can withstand the rigors of daily use in demanding environments. Their components are designed for longevity, reducing the need for repairs or replacements over time. Additionally, Graco’s sprayers often include features such as easy-to-clean pumps and quick-change tip systems, enhancing operational efficiency.

User-friendliness is a crucial consideration in the design of Graco’s equipment. From intuitive control panels to adjustable pressure settings, the sprayers are designed to cater to users of varying experience levels. This focus on ergonomics reduces operator fatigue and simplifies the setup and clean-up processes, allowing professionals to concentrate on their work without getting bogged down by complicated machinery.

Another important aspect of Graco sprayers is their versatility. The models can handle a wide range of materials, making them suitable for various applications, from residential painting to large-scale industrial projects. The compatibility with different nozzles and spray tips further enhances this versatility, enabling users to switch applications seamlessly.

In summary, Graco Inc’s model numbers 800-674, 308-523, 800-670, 800-672, and 800-671 embody the brand’s commitment to innovation in fluid handling equipment. With advanced spraying technology, durability, user-friendly features, and versatility, these sprayers are trusted by professionals seeking reliable solutions for their painting and coating needs. Graco continues to set the standard in the industry, ensuring that users achieve high-quality results efficiently and effectively.