Graco P20LCM, P39LCS, P40RCM Reconnect Displacement Pump, Displacement Pump Torque

Page 20

Repair

Reconnect Displacement Pump

CAUTION

Be sure to use at least two people when lifting, mov- ing, or connecting the pump. This pump is too heavy for one person. If you are connecting the displace- ment pump to a motor that is still mounted (for exam- ple, on a ram), be sure to support the displacement pump while it is being connected, to prevent it from falling and causing injury or property damage. Do this by securely bracing the displacement pump, or by having at least two people hold it while another con- nects it.

On Premier models, ensure that the rod adapter (6) has not loosened during maintenance. Proper

torque is necessary to prevent the rod adapter from loosening during the pump operation.

If the rod adapter (6) has loosened during mainte- nance, remove the adapter and apply Loctite 2760 (or equivalent) to the rod adapter and air motor pis- ton threads, and then torque to 230-250 ft-lbs (312-340 N•m).

1.If the air motor was removed, refer to the Supply Units Repair-Parts manual for installation instruc- tions.

2.Use caution when reconnecting displacement pump. Place displacement pump (2) on tie rods (3).

3.Screw nuts (5) onto tie rods (3) and torque to 50-60 ft-lb (68-81 N•m).

ti10511a

FIG. 19

4.Pumps with 100cc, 200cc, and 250cc displacement pumps only: Install coupling (7), and slide coupling cover (8) down. Install clip (9).

ti10509a

FIG. 20

5.Pumps with 60cc and 500cc displacement pumps only: Reinstall coupling nut and coupling covers on displacement rod. Slide coupling nut up and tighten using a torque wrench with a claw foot; see the fol- lowing table for torque values.

Displacement

 

Pump

Torque

 

 

60cc

75-80 ft-lbs (102-108 N•m)

 

 

500cc

230-250 ft-lbs (312-340 N•m)

 

 

ti10718a

FIG. 21

6.Reconnect all hoses. Reconnect ground wire and reed switch cable (units with remote DataTrak) if they were disconnected. Fill wet cup (R) 1/3 full of Graco Throat Seal Liquid or a compatible solvent.

7.Attach platen to displacement pump. Refer to the Supply Units Repair-Parts manual for instructions

8.Turn on the air power supply. Run the pump slowly to ensure that it is operating properly.

9.Allow 2 hours for the thread sealant to cure before returning the pump to service.

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312376L

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Contents Check-MatePump Packages P20LCM Model Shown P39LCS Model Shown P40RCM Model ShownContents Related ManualsModels Skin Injection Hazard Equipment Misuse Hazard Key Component Identification, Supply Unit InstallationCM14BA Model Shown CM7B1G Model Shown Component Identification, Typical Installation Installation GroundingSystem Accessories Mounting AccessoriesAir Line Accessories Fluid Line AccessoriesSetup Follow Pressure Relief Procedure onDisplacement Pump Torque Wet CupPressure Relief Procedure For D200s, D200, D60 and S20 Air Controls See FIGFor D200s, D200, D60, and S20 Air Controls D200s, D200,D60, and S20 SystemsFor L20c Air Controls L20c Air ControlsFollow Pressure Relief Procedure, ShutdownOvernight Shutdown For D200s, D200, D60, and S20 Supply SystemsTroubleshooting Problem Cause SolutionTroubleshooting Required Tools Disconnect Displacement PumpRepair Ti10508a Reconnect Displacement Pump Repair 312376L Pump Package Parts List Reed Switch AssemblyParts NXT200, NXT400, NXT700, NXT1200, and NXT1800 Air MotorsNXT2200, NXT3400, and NXT6500 Air Motors Model P40RCM ShownAdapter Bracket 15M222 Model P39LCS ShownVarying Parts Pump Packages with L060xx Displacement PumpsCommon Parts P20SCS Pump Packages with L100xx Displacement Pumps Ref. Part Description QtyTie 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 Dimensions Pump Packages with NXT 2200, NXT 3400, NXT 6500 Air MotorsPump Package Dimensions Technical Data Displacement Flow Rate gpm lpmPerformance Charts Calculate Fluid Outlet PressureCalculate 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 Standard Warranty Graco Information

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.
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