The GRACO 17E834 GMAX II 7900 Standard Series Gas Airless Sprayer, Lo-Boy is a heavy-duty, gas-powered airless paint sprayer designed for professional contractors. It features a robust, chrome-plated welded steel cart and is engineered for high-volume, high-pressure spraying of a wide range of coatings. The unit is intended for use in demanding environments where reliability, ease of maintenance, and high performance are required.
Key Features:
Gas Airless Sprayer
GMAX II 7900 Standard Series, Lo-Boy
Chrome-plated, welded steel cart with telescoping handle and integrated hose rack; full pneumatic wheels
2.2 gallons per minute
Wide range of tip sizes, multiple guns, longer hose lengths, and heavier coatings
Endurance Vortex MaxLife Pump (reliable, lasts 2X longer than leading brands)
SmartControl 3.0 electronic pressure control for consistent spray fan
Advantage Drive System with lifetime guarantee
Heavy-Duty Prime Valve (maintenance-free, withstands high pressure dumping)
QuikChange pump design for easy swapping on the job
QuikAccess intake foot valve for faster cleaning
Rugged, durable cart design for easy transport and impact absorption
Applications: Professional painting and coating applications in commercial, industrial, and large residential projects; suitable for spraying heavy coatings, long hose runs, and multiple guns simultaneously.
Installation Notes:
Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may void warranties and reduce equipment lifespan.
Follow the manufacturer’s instructions for assembly and setup
Ensure all connections are secure before operation
Use recommended hoses and tips for best results
Regularly inspect and maintain the pump, filters, and hoses
Store the unit in a clean, dry environment when not in use
Clean the pump and filters after each use
Check for leaks and wear on hoses and fittings
Lubricate moving parts as recommended
Inspect the cart and wheels for damage or wear
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