Troubleshooting

~	----------------------------- ------------------------------WARNING	~
	To reduce the risk of serious bodily injury, including fluid injection, splashing in the eyes or on the skin, or injury
	from moving parts, always follow the Pressure Relief Procedure Warning as given on page 2 or 8 before
	troubleshooting or repairing your sprayer.

Check everything in the Troubleshooting Chart before disassembling the sprayer.

PROBLEM	CAUSE	SOLUTION

Gas engine doesn'twork properly.		Consult engine manual, supplied.

Gas engine operates, but displace-	Hydraulic motor stalled.	See "Starting the Sprayer;'page 8.
ment pump doesn'toperate.	Pressure setting too low.	Increase pressure. See page 9.
	Pressure setting too low.	Increase pressure. See page 9.
	Displacement pump outlet filter (if	Clean the filter.
	used) dirty or clogged.
	Tip or tip filter (if used) clogged.	Remove tip and/or filter and clean.
	Hydraulic fluid too low.	Shut off sprayer and add fluid im-
		mediately. * See page 5.
	Hydraulic pump worn or damaged.	Return sprayer for repair.
	Hydraulic motor worn or damaged.	Return sprayer for repair.
	Hydraulic motor worn or damaged.	Return sprayer for repair.
	Displacement pump rod seized by	Service pump. See page 13.
	dried paint.

Displacement pump operates, but	Piston ball check not seating properly.	Service piston ball check. See page 13.
output is low on upstroke.	Piston packings worn or damaged.	Replace packings. See page 13.
output is low on upstroke.


Displacement pump operates but out-	Piston packings worn or damaged.	Replace packings. See page 13.
put is low on downstroke and/or on	Intake valve ball check not seating	Service intake valve ball check. See
both strokes.	Intake valve ball check not seating	Service intake valve ball check. See
both strokes.	properly.	page 13.
	properly.	page 13.

Paint leaks into wet-cup.	Loose wet-cup.	Tighten just enough to stop leakage.
	Throat packings worn or damaged.	Replace packings. See page 13.

Excessive leakage around hydraulic	Piston rod or seal worn or damaged.	Replace these parts. See manual
motor piston rod wiper.		306-98l.

Fluid delivery is low.	Pressure setting too low.	Increase pressure.
	Displacement pump outlet filter (if	Clean filter.
	used) dirty or clogged.
	Hydraulic pump worn or damaged.	Return sprayer for repair.
	Hydraulic motor wom or damaged.	Return sprayer for repair.
	Hydraulic motor wom or damaged.	Return sprayer for repair.
	Large pressure drop in fluid hose.	Use larger diameter hose.

Spitting from gun.	Air entrained in fluid pump or hose.	Check for loose connections on suction
		assembly, tighten, then reprime pump.
	Fluid supply is low or empty.	Refill supply container.

*Check the hydraulic fluid level often. Do not allow it to become too low. Use only Graco approved hydraulic fluid; see page 5.

307-293 11

231-005, 215-433 Series G, Series A specifications

Graco is a renowned manufacturer known for its high-quality spray equipment and pumps, catering to both professionals and DIY enthusiasts. Their diverse lineup includes advanced models such as Series A, Series C, Model 237069, Model 289310, and Model 238620, each uniquely engineered to meet various painting and coating applications.

The Graco Series A is an outstanding choice for smaller projects. Its lightweight design and portability make it ideal for residential touch-ups, woodworking, and other small-scale applications. This series boasts a simple setup with an easy-to-use spray gun that enables users to achieve a smooth, even finish. Equipped with Graco’s ProConnect technology, Series A allows for quick pump replacement without any tools, ensuring minimal downtime during projects.

The Graco Series C offers enhanced performance and greater versatility for larger applications. This series is designed for professional contractors and serious DIYers, featuring robust construction and advanced technology. With a higher flow rate and pressure capabilities, Series C can handle more demanding projects such as residential and commercial buildings. Additionally, it incorporates SmartControl technology, electronically controlling pressure to provide consistent spray patterns regardless of the fluid being used.

Model 237069 is another exceptional option known for its compact design and efficiency. This electric airless sprayer is perfect for various interior and exterior applications, standing out due to its ease of operation. It features a reversible spray tip, allowing users to quickly clear clogs, and the adjustable pressure settings provide flexibility for different surface textures. Model 237069 is engineered for durability, making it a reliable choice for frequent use.

Model 289310 is engineered for professionals who prioritize speed and precision. This heavy-duty sprayer is equipped with an advanced hydraulic system, which ensures a consistent flow of material. Its larger hopper capacity minimizes the need for frequent refills, allowing users to complete extensive projects faster. Furthermore, the model includes an ergonomic design that reduces fatigue, empowering operators to work longer with comfort.

Lastly, Model 238620 exemplifies Graco’s commitment to innovation in airless technology. This model features an integrated digital display that offers real-time feedback and monitoring, enhancing overall user experience. With its streamlined pump design and advanced filter system, Model 238620 is capable of handling a wide range of coatings, from thin stains to thick latex paints.

In conclusion, Graco's Series A, Series C, Model 237069, Model 289310, and Model 238620 represent the brand’s dedication to quality, performance, and user-friendliness. These models cater to various project sizes and requirements, making them valuable assets for both amateurs and seasoned professionals in the painting industry.

TROUBLESHOOTING

PROBLEM

CAUSE

SOLUTION

306-98l.

307-293 11

231-005, 215-433 Series G, Series A specifications