Graco 223646 Service, Pressure Relief Procedure, Before you start, Relieve the pressure

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Service

Pressure Relief Procedure

WARNING

SKIN INJECTION HAZARD

The system pressure must be manually relieved to prevent the system from starting or spraying accidentally. Fluid

under high pressure can be injected through the skin and cause serious injury. To reduce the risk of an injury from injection, splashing fluid, or moving parts, follow the Pressure Relief Procedure whenever you:

Dare instructed to relieve the pressure,

Dstop spraying,

Dcheck or service any of the system equipment,

Dor install or clean the spray tip.

1.Lock the gun trigger safety.

2.Shut off the hydraulic power supply.

3.Close the supply line shutoff valve, and then the return line shutoff valve.

4.Unlock the gun trigger safety.

5.Hold a metal part of the gun firmly to the side of a grounded metal pail, and trigger the gun to relieve pressure.

6.Lock the gun trigger safety.

7.Open the drain valve (required in your system), having a container ready to catch the drainage.

8.Leave the drain valve open until you are ready to spray again.

If you suspect that the spray tip or hose is completely clogged, or that pressure has not been fully relieved after following the steps above, very slowly loosen the tip guard retaining nut or hose end coupling and relieve pressure gradually, then loosen completely. Now clear the obstruction.

Before you start:

Be sure you have all necessary parts on hand.

1.Repair Kit 223654 is available. The kit must be purchased separately. An asterisk behind a refer- ence number in the parts list, for example (21*), indicates that the part is included in the repair kit.

2.Clean all parts as you disassemble them and inspect them for wear or damage. Replace parts

as necessary. Use Loctiter TL–242 thread sealant, or the equivalent, when thread sealant is specified.

Disassembly (Refer to Fig. 3)

NOTE: Use all the replacement parts that are in the repair kit.

1. Flush the displacement pump if possible.

WARNING

To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 7.

2.Relieve the pressure.

3.Stop the pump at the bottom of its stroke.

NOTICE

Avoid getting dust or dirt in the motor during service. Cleanliness is essential when repairing an hydraulic motor.

4.Disconnect the displacement pump hoses. Discon- nect the hydraulic hoses and plug all hydraulic connections and lines to prevent contamination.

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Contents Table of Contents Instructions-Parts List308048 SymbolsSkin Injection Hazard Fire and Explosion Hazard Maximum Hydraulic Input Pressure InstallationKeep the hydraulic system clean Hydraulic Oil Working TemperatureHydraulic hoses and fluid outlet hoses use only GroundingRelieve the pressure ServicePressure Relief Procedure Before you startService 55a 54a 7aB 37A 45*31 Reassembly Refer to Fig 55a 54a 7aB 37A 57 3 45*31 Parts Retainer Description QtyMounting Hole Dimensions Layout Category Data Technical DataGraco Information Graco Warranty and Limitation of Liability

223646 specifications

The Graco 223646 is a versatile and reliable spray gun designed for professionals and DIY enthusiasts seeking efficiency and high-quality finishes in their painting projects. This model stands out in the market thanks to its advanced features and innovative technologies, ensuring a smooth painting experience.

One of the primary characteristics of the Graco 223646 is its lightweight and ergonomic design. This allows for prolonged use without causing strain or fatigue, making it an ideal choice for extensive projects. The gun is also designed with a comfortable handle, enhancing grip and control during operation.

A significant feature of the Graco 223646 is its compatibility with various Graco paint sprayers, which expands its versatility across multiple applications. Whether you are dealing with stains, latex paints, or oil-based finishes, this spray gun can handle it all. Its universal design allows it to connect easily with different models, making it a smart investment for anyone who owns multiple Graco sprayers.

The Graco 223646 incorporates advanced technology for superior performance. The gun is equipped with an adjustable spray pattern that enables users to customize their application method. Whether it's a wide fan for broad surfaces or a fine mist for detailed work, this spray gun can adjust to fit the job at hand, promoting efficiency and precision.

Another standout characteristic is the quick-change tip system. This feature allows users to switch between different spray tips rapidly, ensuring that they can adapt to varying project needs without wasting time. It dramatically improves workflow and boosts productivity when moving from one task to another.

Additionally, the Graco 223646 is engineered for durability and longevity. Constructed with high-quality materials, it withstands the rigors of daily use while maintaining consistent performance. Its design includes easy-to-clean components, significantly reducing downtime during maintenance.

In conclusion, the Graco 223646 is a well-engineered spray gun that combines efficiency, versatility, and durability. With its lightweight design, compatibility with multiple paint sprayers, adjustable spray patterns, and user-friendly features, it is an excellent choice for anyone looking to achieve professional-quality results in their painting endeavors.
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