Troubleshooting, Problem Cause Solution | Graco Inc 231733, 230975

Troubleshooting

WARNING

SKIN INJECTION HAZARD

To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 10.

Check everything in the troubleshooting chart before disassembling the sprayer.

PROBLEM	CAUSE	SOLUTION

Gas engine doesn’t work properly.		Consult engine manual, supplied.

Gas engine will not start.		Check battery.

Gas engine operates, but	Hydraulic motor stalled.	Turn the ignition key to OFF. Firmly press
displacement pump doesn’t		straight down on motor reset button. Restart
operate.		sprayer, see page 10. If it doesn’t start, see
		manual 307158.
	Pressure setting too low.	Increase pressure. See page 11.
	Displacement pump outlet filter (if	Clean the filter.
	used) is dirty or clogged.
	Tip or tip filter (if used) is clogged.	Remove tip and/or filter and clean.
	Hydraulic fluid too low.	Shut off sprayer and add fluid immediately*. See
		page 5.
	Hydraulic pump worn or damaged.	Return sprayer for repair.
	Hydraulic motor worn or damaged.	Return sprayer for repair.
	Displacement pump rod seized by	Service pump. See manual 311762.
	dried paint.

Displacement pump operates, but	Piston ball check not seating properly.	Service piston ball check. See manual 311762.
output is low on upstroke.	Piston packings worn or damaged.	Replace packings. See manual 311762.
	Piston packings worn or damaged.	Replace packings. See manual 311762.

Displacement pump operates but	Piston packings worn or damaged.	Replace packings. See manual 311762.
output is low on downstroke and/	Intake valve ball check not seating	Service intake valve ball check. See manual
or on both strokes.	Intake valve ball check not seating	Service intake valve ball check. See manual
or on both strokes.	properly.	311762.
	properly.	311762.

Paint leaks into wetcup	Loose wet–cup	Tighten just enough to stop leakage.
	Throat packings worn or damaged.	Replace packings. See manual 311762.

Excessive leakage around	Piston rod seal worn or damaged.	Replace these parts. See manual 307158.
hydraulic motor piston rod wiper.

Fluid delivery is low.	Pressure setting too low.	Increase pressure. See page 11.
	Displacement pump outlet filter (if	Clean filter
	used) is dirty or clogged.
	Hydraulic pump is worn or damaged.	Return sprayer for repair.
	Hydraulic motor is worn or damaged.	Return sprayer for repair.
	Large pressure drop in fluid hose.	Use larger diameter hose.

The sprayer overheats.	Cooler or blower is worn or damaged.	Replace. See page 15.

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

*Check hydraulic fluid level often. Do not allow it to become too low. Use only Graco approved hydraulic fluid. See pages 5 and 20.

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230975, 231733, GH 733 specifications

Graco Inc. is widely recognized for its innovative fluid handling products and diverse range of equipment designed for various applications. Among its product lineup, the Graco GH 733 is a standout piece of machinery, particularly known for its performance in high-demand environments. The model number 231733 refers to a specific configuration of the GH 733, and 230975 points to another variant, showcasing Graco's commitment to customization and versatility in their offerings.

One of the main features of the Graco GH 733 is its powerful engine, designed to deliver efficient performance even in the most challenging conditions. The machine boasts a robust hydraulic system that facilitates the movement of fluids at high pressures, making it ideal for applications such as painting, coating, and other fluid dispensing tasks. This ensures that users can achieve superior results with precision and speed.

The GH 733 is equipped with advanced technologies that enhance usability and functionality. For example, it incorporates an electric start feature, reducing the hassle of manual cranking and enabling quick operation. Moreover, Graco has designed this model with an intuitive control panel that allows users to easily adjust settings and monitor performance, reducing the learning curve for new operators.

Another critical characteristic of the GH 733 is its portability. The unit is designed with features such as sturdy wheels and a compact frame, which allow it to be easily transported across job sites. This mobility is particularly beneficial in construction and industrial environments, where equipment needs to be moved frequently.

Durability is a cornerstone of the Graco GH 733 design. Constructed from high-quality materials, the machine is built to withstand the rigors of demanding work environments. Graco's commitment to quality ensures that users receive a reliable product that minimizes downtime and maintenance costs.

In summary, the Graco GH 733, along with its configurations like 231733 and 230975, exemplifies efficient design and advanced technology. With a focus on performance, ease of use, portability, and durability, it meets the needs of professionals looking for high-quality fluid handling solutions. The combination of these features makes the GH 733 a preferred choice for many applications across various industries. Whether for large-scale projects or detailed work, this equipment stands out as a testament to Graco's engineering excellence.