Graco 308550ZAC important safety instructions Troubleshooting

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Troubleshooting

PROBLEM

CAUSE

SOLUTION

Fluid in exhaust air.	Diaphragm ruptured.	Replace. See pages 19–22.

	Loose fluid side diaphragm plate	Tighten or replace. See pages
	(105).	19–22.

Pump exhausts excessive air at	Worn air valve block (7), o-ring (6),	Inspect; replace. See pages 16–17.
stall.	plate (8), pilot block (18), u-cups
	(10), or pilot pin o-rings (17).

	Worn shaft seals (402).	Replace. See pages 19–22.

Pump leaks air externally.	Air valve cover (2) or air valve cover	Tighten screws. See page 17.
	screws (3) are loose.

	Air valve gasket (4) or air cover	Inspect; replace. See pages 16–17,
	gasket (22) is damaged.	23–24.

	Air cover screws (25) are loose.	Tighten screws. See pages 23–24.

Pump leaks fluid externally from ball	Loose manifolds (102, 103), dam-	Tighten manifold bolts (106 and
check valves.	aged seal between manifold and	112) or replace seats (201) or
	seat (201), damaged o-rings (202).	o-rings (202). See page 18.

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Contents Important Safety Instructions Instructions Parts ListModels Table of ContentsEquipment Misuse Hazard SymbolsToxic Fluid Hazard Toxic Fluid Hazard InstallationGeneral Information Tighten Screws Before First UseGround all of this equipment GroundingAir Line Typical FLOOR-MOUNT InstallationFluid Outlet Line Installation of Remote Pilot Air LinesMountings Fluid Suction LineBolt Tightening Sequence Flange ConnectionsFluid Pressure Relief Valve Changing the Orientation of the Fluid Inlet and Outlet PortsAir Exhaust Ventilation Fire and Explosion HazardVenting Exhaust AIR Flush the Pump Before First Use Pressure Relief ProcedureStarting and Adjusting the Pump OperationMaintenance Problem Cause Solution TroubleshootingTroubleshooting Tools Required ServiceRepairing the Air Valve DisassemblyReassembly Relieve the pressure. Disconnect all hoses Ball Check Valve RepairDiaphragm Repair Reassembly Standard Diaphragms Reassembly Overmolded Diaphragms 105 19 402 24 104 403 Bearing and Air Gasket Removal Detail of Air Valve Bearings 308550 Husky 2150 Polypropylene and Pvdf Pumps, Series a Pump MatrixFor Husky 2150 Polypropylene and Pvdf Pumps, Series a Repair Kit MatrixParts Air Motor Parts List Matrix ColumnMuffler Fluid Section Parts List Matrix ColumnSeat Parts List Matrix Column Ball Parts List Matrix ColumnDiaphragm Parts List Matrix Column 114 Torque Sequence Dimensions Front ViewSide View Pump Mounting Hole Pattern 14-0.8 MPa, 1.4-8 bar Technical DataFluid Flow GPM lpm Performance ChartFeet meters Psi MPa, barGraco Information Graco Warranties

308550ZAC specifications

The Graco 308550ZAC is a versatile and efficient airless paint sprayer designed for both DIY enthusiasts and professional contractors. Known for its reliability and performance, this unit provides consumers with a powerful solution for their painting projects, ensuring a smooth and even finish.

One of the standout features of the Graco 308550ZAC is its ProXChange technology. This innovative system allows for quick and easy pump replacement without the need for additional tools or complex procedures. This feature ensures minimal downtime, making it especially valuable on job sites where time efficiency is crucial.

The sprayer is also equipped with a powerful electric motor that delivers a consistent pressure of up to 3000 PSI. This high pressure not only facilitates a fine atomization of paint but also enables users to work with a variety of coatings, including thicker materials like latex, stains, and sealers. As a result, users can achieve professional-grade finishes on a range of surfaces, from buildings to fences.

Another significant characteristic of the Graco 308550ZAC is its adjustable pressure control. This feature allows operators to fine-tune the pressure according to the specific paint being used and the project's requirements. This flexibility translates to improved control over the spraying process, minimizing overspray and ensuring precision, particularly when working on detailed areas.

Additionally, the unit comes with a built-in suction hose, which can be submerged directly into paint containers for efficient and seamless painting. This capability makes it easier to use large buckets, reducing the hassle of constantly refilling the sprayer and enhancing productivity.

The Graco 308550ZAC also features a lightweight and portable design, making it easier to transport between job sites. Its robust construction ensures durability, while the ergonomic handle offers comfort during extended use.

In summary, the Graco 308550ZAC is a robust airless paint sprayer that combines advanced technologies and thoughtful design features to meet the needs of both professionals and hobbyists. With its ProXChange system, adjustable pressure control, and high-performance motor, it represents an excellent choice for achieving flawless finishes in various painting applications.