Graco Inc 308-525, 800-636 Accessories, Technical Data, Servicing the V±Packings, 800±649 3540

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Servicing the V±Packings

NOTE: There are two types of packing kits: one is 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 (3540)

800±649 (3540 & 4043)

For injecting harsh cleaning chemicals downstream from the pump. 800±649 is stainless steel construction.

UPSTREAM CHEMICAL INJECTOR KIT 800±257

For injecting mild cleaning chemicals upstream into the pump.

BACKFLOW PREVENTOR 801±133

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

WATER SANDBLASTING KIT 800±120

For abrasive cleaning of stubborn dirt and paint. Requires a spray tip which is not included in kit (3245 uses 801±667, 4040 uses 801±600).

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.

TECHNICAL DATA

 

Model 800±681

Model 800±635

Model 800±636

Model 800±637

 

 

 

 

 

Engine (4 cycle, air±cooled)

13 HP Honda OHV

12.5 HP Briggs &

13 HP Honda OHV

16 HP Briggs &

 

 

Stratton OHV

 

Stratton OHV

 

 

 

 

 

Battery

12 Volt, 30 AMP

12 Volt, 30 AMP

12 Volt, 30 AMP

12 Volt, 30 AMP

 

250 CCA

250 CCA

250 CCA

250 CCA

 

 

 

 

 

Gasoline Tank Capacity

2 Gallon (7.6 Liter)

6 Gallon (23 Liter)

2 Gallon (7.6 Liter)

6 Gallon (23 Liter)

 

 

 

 

 

Water Pump Maximum Working

3000 psi (207 bar)

3500 psi (241 bar)

3500 psi (241 bar)

4000 psi (276 bar)

Pressure

 

 

 

 

 

 

 

 

 

Water Pump Maximum Flow

5 gpm (19 lpm)

4 gpm (15 lpm)

4 gpm (15 lpm)

4.25 gpm (16 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

255 lbs (116 kg)

255 lbs (116 kg)

255 lbs (116 kg)

255 lbs (116 kg)

 

 

 

 

 

Dimensions

49º (1245 mm)

49º (1245 mm)

49º (1245 mm)

49º (1245 mm)

Length

Width

30º (762 mm)

30º (762 mm)

30º (762 mm)

30º (762 mm)

Height

26.5º (673 mm)

26.5º (673 mm)

26.5º (673 mm)

26.5º (673 mm)

 

 

 

 

 

Maximum Inlet Water

160_F (70_C)

160_F (70_C)

160_F (70_C)

160_F (70_C)

Temperature

 

 

 

 

 

 

 

 

 

Wetted Parts

 

 

 

 

High Pressure Hose

Acrylonitrile and Buna±N cover and tube

 

 

Bypass Hose

Synthetic yarn and EPDM

 

 

Pressure Washer

Anodized aluminum, Aluminum or bronze alloys, Brass Copper, Nylon±PTFE

(including fittings)

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

 

Polymide±12 thermoplastic, PTFE , Carbon steel, Zinc with or without yellow chromate

 

plate

 

 

 

 

 

 

 

 

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Contents Rev a 800±681, Series a800±635, Series a 800±636, Series a 800±637, Series aMedical Treatment General SafetyPressure Relief Procedure Spray Gun Safety DevicesSystem Pressure Hose SafetyFuel and Emission Hazards Equipment Misuse HazardTerms Moving Parts HazardConnect to Water Supply InstallationSet Up Check for Shipping DamageStartup Installing and Changing Spray Tips Trigger Safety LatchFollow the Pressure Relief Procedure Interval What to do MaintenancePressure Relief Procedure SHUTDOWN, Flushing StorageProblem Cause Solution Troubleshooting ChartParts Drawing 800±635 & 800±636 Hydra±Cleanr 3540 Pressure WasherParts List 800±637 Hydra±Cleanr 4043 Pressure Washer Fuel Tank Assembly 800±681 Hydra±Cleanr 3050 Pressure Washer Incl , 65, 66, 67, 68 SpacerParts Drawing Part Description QTY Servicing the Plungers Pump ServiceValves Pumping Section800±649 3540 AccessoriesTechnical Data Servicing the V±PackingsImportant Phone Numbers Graco WarrantyGraco INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440±1441 NEW Parts Change NoticeDescription Qty USE only Genuine Graco Parts and AccessoriesKit No Repair Kit Part No No. Description Qty 801±472

3540, 800-637, 308-525, 800-635, 3050 specifications

Graco Inc. is a leading manufacturer of fluid handling equipment, primarily focused on innovative spray technology and equipment for various industrial applications. Among their extensive product lineup, Graco offers several models, including the 800-636, 800-681, 3050, 800-635, and 308-525, each designed to meet specific needs in the painting and coating industry.

The Graco 800-636 is known for its portability and versatility. This airless paint sprayer is designed for both small and medium-sized jobs. It features a robust pump that delivers consistent pressure, ensuring a smooth and even spray finish. One of its main technologies includes the ProControl feature, which allows users to adjust the pressure settings for optimal control when spraying different materials.

The 800-681 model takes efficiency to another level with its advanced fluid delivery system. This model is suitable for larger projects, as it is capable of handling a diverse range of coatings, including high-viscosity materials. With its SmartControl technology, the device provides users with the ability to monitor and manage spray patterns effectively, minimizing overspray and maximizing coverage.

Next in line is the Graco 3050, characterized by its heavy-duty construction designed for rugged environments. This model is particularly suited for industrial applications where reliability is critical. It features Graco's exclusive Endurance pump, ensuring longer lifespan and reduced maintenance. The 3050 also incorporates an ergonomic design, making it easier for operators to handle during extended usage.

The Graco 800-635 is another excellent option for professionals seeking a reliable solution for their painting needs. This model is equipped with a lightweight frame, making it easy to transport. It is designed with a focus on user-friendliness, featuring a one-touch setup and easy-to-use controls. Additionally, it includes a high-efficiency airless spray tip that enhances performance, especially when working with thicker materials.

Lastly, the 308-525 model stands out for its precision and durability. Known for its ability to deliver fine finishes, this sprayer is ideal for detailed work. The 308-525 integrates advanced filter technology that minimizes blockages, allowing for uninterrupted spraying. It is designed to work seamlessly with Graco's range of accessories, further expanding its versatility.

In summary, Graco Inc.'s 800-636, 800-681, 3050, 800-635, and 308-525 models boast a variety of features that cater to different applications in the painting and coating industry. With advanced technologies that enhance efficiency, control, and durability, Graco continues to be a trusted name for professionals looking for high-quality fluid handling equipment.
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