Graco 288400 Fluid Inlet Filter Screen Primary Heater, Removal, Service, Installation

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3.Remove four bolts (117) to remove entire air motor assembly.

117

140

115

114

 

136

135

139

 

138

 

118

177

122

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4.Remove lock nut (118) from piston rod (138) and remove pump yoke (122).

5.Remove four lock nuts (118), washers (116), and tie-rod bolts (117).

6.Lift top plate (115) and remove from air cylinder (114).

7.Push piston rod assembly out of air cylinder and replace piston o-ring (139) and lubricate.

8.Remove nut (177). Replace bottom plate bearing (135), u-cup seal (136), and lubricate. Ensure the open end of the u-cup seal faces up.

9.Replace top and bottom o-rings (140) in plates. Use lubricant to hold in place.

10.Assemble in reverse order.

11.Torque tie rod bolts in small increments evenly to 17-22 in-lbs (3•4 Nm).

Repair

4. Perform Flushing, page 5.

Removal

1.Disconnect two fluid lines at bottom of heater.

2.Disconnect upper fluid hose from fittings.

3.Remove two side screws from thermostat cover.

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4.Disconnect two main power leads from wire harness.

5.Remove four screws underneath heater. Retain four thermal barrier spacers for later installation.

6.Pull heater assembly out and remove from unit.

Service

See Parts on page 16 for servicing.

Installation

Reconnect and install primary heater in reverse order of removal steps.

Fluid Inlet Filter Screen

Primary Heater

Read Warnings on page 3. Wait for heater to cool before repairing.

1.Turn Main Disconnect Switch OFF.

2.Perform Pressure Relief Procedure, page 5.

3.Wait for heater to cool.

A Y-line filter screen before each proportioning pump traps solid matter to ensure proper operation of ball check valves in pump base. Inspect and clean both screens. See Predator Proportioner Operation manual (311326).

Regularly clean isocyanate pump screen during start-up procedure. This minimizes moisture con- tamination problems by immediately flushing out any isocyanate residue at start of dispensing oper- ation.

311327E

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Contents Predator Proportioner Related Manuals ContentsElectric Shock Hazard Fire and Explosion Hazard Before Beginning Repair Pressure Relief ProcedureFlushing Problems TroubleshootingSolutions Problem SolutionTroubleshooting Proportionting System Hose Heat System Troubleshooting Repair Perform Pressure Relief Procedure,Pump Removal Proportioning PumpsSee Air Motor Assembly on Pump InstallationAir Motor Installation ServiceFluid Inlet Filter Screen Primary Heater RemovalIsocyanate Pump Lubricant Follow Pressure Relief Procedure,Recommended Spare Parts AccessoriesParts Ref. Part Description Qty Parts Main AssemblyElectrical Console Part Description Qty Parts Electrical ConsoleAir Motor Assembly Pump Air Motor AssemblyPrimary Heater Assembly Stop Primary Heater AssemblyHose Heat Power Pack Hose Heat Power Pack Power Supply Pneumatic Schematic Pneumatic SchematicElectrical Schematic Electrical SchematicParts Technical Data Graco Information Graco Standard Warranty

288400 specifications

The Graco 288400 is a versatile airless paint sprayer designed for both professional contractors and DIY enthusiasts. Renowned for its reliability and high performance, the Graco 288400 offers a seamless painting experience while ensuring superior finish quality.

One of the standout features of the Graco 288400 is its powerful pump, which delivers a consistent flow of paint at a maximum pressure of 3000 PSI. This high pressure allows for the use of thicker materials, ensuring that users can tackle a variety of coatings, from stains to latex paints, without compromising on performance.

The sprayer is equipped with Graco's ProConnect feature, which allows for easy pump replacement without the need for specialized tools. This technology not only reduces downtime but also ensures that users can quickly get back to their projects with minimal interruption. The Graco 288400 is designed with user convenience in mind, featuring a lightweight design and an ergonomic handle that reduces fatigue during extended use.

Another notable characteristic of the Graco 288400 is its compatibility with a wide range of spray tips. The FlexLiner bag system eliminates the need for traditional paint buckets, allowing for quick color changes and easier cleaning. This innovative system also minimizes paint waste, making it an eco-friendly choice.

The Graco 288400 comes with a 25-foot hose, empowering users to extend their reach during large jobs without having to constantly reposition the sprayer. This added length ensures that users can efficiently cover large areas, such as homes or commercial buildings, with ease.

Safety is also prioritized with features such as the built-in pressure control and the easy-to-use on/off switch. These elements help ensure safe operation while providing users with the flexibility to adjust the pressure settings based on their project needs.

In summary, the Graco 288400 stands out as a high-quality airless paint sprayer that combines powerful performance, user-friendly features, and innovative technologies. With its robust design and efficient capabilities, the Graco 288400 is an excellent choice for those looking to achieve professional-grade painting results with ease. Whether you are a seasoned contractor or a homeowner tackling a DIY project, the Graco 288400 promises to deliver the quality and durability needed to get the job done right.
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