Graco P20LCM, P39LCS, P40RCM important safety instructions Troubleshooting

Page 17

		Troubleshooting

Problem	Cause	Solution


Erratic or accelerated pump	Exhausted fluid supply.	Refill and prime.
speed.
speed.	Fluid is too heavy for pump priming.	Use drain/purge valve. Use a ram. See
		Supply Units Operation manual 313526.

		Increase ram air pressure.

	Held open or worn intake valve or	Clear valve. Replace seals. See separate
	seals.	Check-Mate Displacement Pump manual
		312375.

	Held open or worn priming piston.	Clear; service. See separate Check-Mate
		Displacement Pump manual 312375.

	Worn packings in displacement pump.	Replace packings.See separate
		Check-Mate Displacement Pump manual
		312375.

*To determine if fluid hose or gun is obstructed, follow Pressure Relief Procedure, page 12. Disconnect fluid hose and place a container at pump fluid outlet to catch any fluid. Turn on air just enough to start pump. If pump starts when air is turned on, the obstruction is in the fluid hose or gun.

312376L

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Contents P20LCM Model Shown P39LCS Model Shown P40RCM Model Shown Check-MatePump PackagesRelated Manuals ContentsModels Skin Injection Hazard Equipment Misuse Hazard Key Component Identification, Supply Unit InstallationCM14BA Model Shown CM7B1G Model Shown Component Identification, Typical Installation Grounding InstallationMounting Accessories System AccessoriesAir Line Accessories Fluid Line AccessoriesFollow Pressure Relief Procedure on SetupDisplacement Pump Torque Wet CupFor D200s, D200, D60 and S20 Air Controls See FIG Pressure Relief ProcedureD200s, D200,D60, and S20 Systems For D200s, D200, D60, and S20 Air ControlsL20c Air Controls For L20c Air ControlsShutdown Follow Pressure Relief Procedure,Overnight Shutdown For D200s, D200, D60, and S20 Supply SystemsProblem Cause Solution TroubleshootingTroubleshooting Required Tools Disconnect Displacement PumpRepair Ti10508a Reconnect Displacement Pump Repair 312376L Reed Switch Assembly Pump Package Parts ListParts NXT200, NXT400, NXT700, NXT1200, and NXT1800 Air MotorsModel P40RCM Shown NXT2200, NXT3400, and NXT6500 Air MotorsAdapter Bracket 15M222 Model P39LCS ShownVarying Parts Pump Packages with L060xx Displacement PumpsCommon Parts P20SCS Ref. Part Description Qty Pump Packages with L100xx Displacement PumpsTie Rod Assy Coupler Lanyard Adapter Pump Packages with L200xx Displacement PumpsCoupling Cover Hairpinw Bracket Rod Assy Coupler Pump Packages with L250xx Displacement PumpsCoupling Tie Rod Coupling Pump Packages with L500xx Displacement PumpsNut Pump Packages with NXT 2200, NXT 3400, NXT 6500 Air Motors DimensionsPump Package Dimensions Displacement Flow Rate gpm lpm Technical DataCalculate Fluid Outlet Pressure Performance ChartsCalculate Pump Air Flow/Consumption Key Air PressurePsig MPa, bar Cycles/min Fluid Pressure in psig MPa, bar Air Air Flow in Scfm m3/min Bar Cycles/min MPa, bar Performance Charts 312376L Graco Information Graco Standard Warranty

P40RCM, P39LCS, P20LCM specifications

Graco, a renowned brand in the world of fluid handling equipment, has developed a series of versatile and high-performance products tailored for various applications. Among these, the Graco P20LCM, P39LCS, and P40RCM stand out for their innovative features, technologies, and characteristics that enhance productivity and efficiency in professional environments.

The Graco P20LCM is a lightweight and portable paint sprayer designed for small to medium-sized projects. It features Graco’s exclusive ProConnect technology, which allows for quick and easy pump replacement, minimizing downtime. The P20LCM also incorporates a SmartControl system that provides consistent pressure and prevents overspray for a flawless finish. Its flexible suction tube allows for drawing paint directly from a bucket, while its compact design ensures ease of transport, making it ideal for contractors and DIY enthusiasts alike.

In contrast, the Graco P39LCS embodies a robust solution tailored for larger projects. This airless paint sprayer is engineered for high efficiency, capable of handling thicker coatings with ease. It boasts a powerful hydraulic system that maintains pressure, ensuring an even application over large surfaces. The P39LCS integrates the Grip and Guard with LED indicators, enhancing user experience and safety. Additionally, its durable construction and advanced filtration system help in prolonging the lifespan of the equipment, reducing maintenance requirements and downtime.

The Graco P40RCM is an advanced model that offers unrivaled versatility and control, making it a preferred choice for professional contractors. This sprayer features advanced electronic controls that enable users to adjust pressure settings on the fly, offering ultimate control over the application process. The P40RCM is compatible with a wide range of coatings, including paints, stains, and sealants, providing flexibility for diverse job needs. Its AutoPrime technology simplifies the priming process, allowing for faster setup and minimal manual intervention. Furthermore, rugged wheels and a durable frame enhance maneuverability and resilience on job sites.

Together, the P20LCM, P39LCS, and P40RCM encapsulate Graco’s commitment to quality and innovation. With user-friendly features, advanced technologies, and robust designs, these products are engineered to meet the demands of professionals and improve efficiency while delivering superior results in every application.