Graco 311211L important safety instructions Contents

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Contents

Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

NXT Air-Powered Pumps . . . . . . . . . . . . . . . . . . 3

Viscount I Plus Hydraulic-Powered Pumps . . . . . 3

Viscount II Hydraulic Powered Pumps . . . . . . . . 4

Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Air-Powered Pumps . . . . . . . . . . . . . . . . . . . 8

Hydraulic-Powered Pumps . . . . . . . . . . . . . . 8

All Pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Air-Powered Pumps Typical Installation . . . . . . 10

Hydraulic-Powered Pumps Typical Installation . 11

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Pressure Relief Procedure . . . . . . . . . . . . . . . . 12

Flush Before Using Equipment . . . . . . . . . . . . . 12

Trigger Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Pump Operation . . . . . . . . . . . . . . . . . . . . . . . . 12

Stop the Pump at the Bottom of Its Stroke . . . . 12

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Preventive Maintenance Schedule . . . . . . . . . . 13

Flushing . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Air Line Filter . . . . . . . . . . . . . . . . . . . . . . . 13

Hydraulic Power Supply Check . . . . . . . . . . 13

Mix Tank Volume . . . . . . . . . . . . . . . . . . . . . 13

Packing Nut Tightness . . . . . . . . . . . . . . . . 13

Excessive Leaking at Throat . . . . . . . . . . . 13

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Disconnect the Lower . . . . . . . . . . . . . . . . . . . . 15

Reconnect the Lower . . . . . . . . . . . . . . . . . . . . . 15

Reassemble the Coupling Rod and Tie Rods

to the Motor . . . . . . . . . . . . . . . . . . . . . . . . . 16

Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

NXT Pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Common Parts . . . . . . . . . . . . . . . . . . . . . . 18 Parts That Vary by Model . . . . . . . . . . . . . . 19 Viscount I Plus Pumps . . . . . . . . . . . . . . . . . . . . 21 Common Parts . . . . . . . . . . . . . . . . . . . . . . 21 Parts That Vary by Model . . . . . . . . . . . . . . 21 Viscount II 460 Pumps . . . . . . . . . . . . . . . . . . . . 22 Common Parts . . . . . . . . . . . . . . . . . . . . . . 22 Parts That Vary by Model . . . . . . . . . . . . . . 22

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Pump Mounting Hole Diagram . . . . . . . . . . . . . . . 24

Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

NXT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Viscount I Plus Pumps . . . . . . . . . . . . . . . . . . . . 25

Viscount II Pumps . . . . . . . . . . . . . . . . . . . . . . . 25

Performance Charts . . . . . . . . . . . . . . . . . . . . . . . . 26

Air-Powered Pumps . . . . . . . . . . . . . . . . . . . . . . 26

Hydraulic Powered Pumps . . . . . . . . . . . . . . . . 28

Viscount II 460 Pumps . . . . . . . . . . . . . . . . . . . . 29

Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 30 Graco Information . . . . . . . . . . . . . . . . . . . . . . . . . 30

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311211L

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Contents Important Safety Instructions DescriptionContents Models NXT Air-Powered PumpsViscount I Plus Hydraulic-Powered Pumps Connection Rod Cylinder High-Flo Lower Model No Viscount II Hydraulic Powered PumpsMaximum Pump Psi MPa, bar StyleFire and Explosion Hazard Moving Parts Hazard Fluid supply container follow local code InstallationGrounding Hydraulic-Powered Pumps AccessoriesAir-Powered Pumps Hydraulic Power SupplyFluid Line All PumpsHydraulic Return Line Air-Powered Pumps Typical Installation Typical Installation KeyHydraulic-Powered Pumps Typical Installation Typical InstallationOperation Maintenance Preventive Maintenance ScheduleTroubleshooting Disassembling pumpReconnect the Lower RepairDisconnect the Lower Reassemble the Coupling Rod and Tie Rods to the Motor Viscount II Pump ShownRepair 311211L Common Parts PartsNXT Pumps Description QtyParts That Vary by Model JS45R3 JS45R1JS45R2 JS45R4Viscount I Plus Pumps Viscount II 460 Pumps Hydraulic-Powered Pumps DimensionsAir-Powered Pumps NXT Pump Mounting Hole DiagramViscount I Plus Models Viscount II ModelsTechnical Data Viscount II PumpsFluid Outlet Pressure Black Curves Performance ChartsAir-Powered Pumps Air Consumption Gray Curves2200cc NXT Air Motor, 2000cc High-Flo Lower 3400cc NXT Air Motor, 2000cc High-Flo LowerHydraulic Powered Pumps Viscount I Plus 225 Pumps Viscount I Plus 300 PumpsFluid FLOW, gpm lpm Key Fluid PRESSURE, psi MPa, barGpm Graco Headquarters Minneapolis Graco Standard WarrantyGraco Information

311211L specifications

The Graco 311211L is a highly versatile airless paint sprayer designed for both professional contractors and DIY enthusiasts. This powerful machine stands out in the market due to its robust construction, exceptional performance, and innovative features that enhance the painting experience.

One of the main features of the Graco 311211L is its high-efficiency piston pump, which is capable of delivering a pressure of up to 3300 PSI. This allows users to spray thicker materials without compromising on the quality of the finish. The machine's pump is designed to handle a variety of coatings, including paints, stains, and sealers, making it suitable for a wide range of applications.

Another key characteristic of the Graco 311211L is its ability to support a broad range of hose lengths, accommodating up to 150 feet. This flexibility is particularly beneficial for large projects, as it provides users the freedom to move around without the constraints of a short hose. The airless design ensures a smooth and even application, reducing the need for back-and-forth brushing, saving time and effort.

The machine is also equipped with a convenient QuickChange tip system that allows users to interchange spray tips with ease. This feature promotes efficiency, as users can quickly switch between different spray patterns and widths to achieve the desired finish. Additionally, the Graco 311211L boasts a built-in pressure control that enables you to adjust the spray pressure according to the job requirements, ensuring optimal performance and consistency.

User comfort and convenience are further enhanced through its ergonomic design, which includes a lightweight construction and a well-balanced frame. This makes it easy to maneuver during extended use. Furthermore, it offers an integrated storage compartment for accessories, keeping everything organized and easily accessible.

In summary, the Graco 311211L airless paint sprayer combines performance, efficiency, and user-friendly features, making it an excellent choice for both professionals and DIY enthusiasts. Its adaptability to various coatings and surfaces, coupled with advanced technologies, makes it a standout option in the competitive paint sprayer market. Whether for interior or exterior projects, the Graco 311211L promises to deliver a high-quality finish with minimal effort.
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