The GRACO 17E826 GMAX II 3900 Standard Series Gas Airless Sprayer, Lo-Boy is a professional-grade, gas-powered airless paint sprayer designed for contractors who require high performance and reliability. It features a robust construction with a Chromex Endurance Piston Pump and is intended for spraying a wide variety of coatings on large surfaces efficiently.

Key Features:

• Gas-powered airless paint sprayer
• GMAX II 3900 Standard Series, Lo-Boy
• Chrome-plated, welded steel cart with telescoping handle and integrated hose rack; rugged, durable design
• Maximum pressure: 3300 psi (227 bar) (based on GRACO Standard Series specifications)
• Compatible with a wide range of coatings and tip sizes; designed for professional contractor use
• Endurance Chromex Piston Pump (lasts 2X longer than leading brands)
• ProConnect 2, SmartControl 3.0 electronic pressure control for consistent spray fan
• Honda engine (120cc) for increased productivity
• Advantage Drive System with lifetime guarantee
• Easy Out Filter, Heavy-Duty Prime Valve (maintenance-free design)
• QuikPak Cartridge System for fast pump repacking
• QuikChange pump design for easy on-the-job pump swapping
• QuikAccess intake foot valve for faster cleaning
• Rugged cart with full pneumatic wheels for easy movement and impact absorption

Applications:
Ideal for professional contractors who spray a wide variety of coatings on large surfaces, including commercial, industrial, and residential projects. Suitable for use with longer hose lengths and heavier coatings.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise equipment integrity and void warranties.
• Follow the manufacturer’s instructions for assembly and setup.
• Ensure all connections are secure before operation.
• Use recommended accessories and compatible coatings.
• Regularly inspect and maintain the pump, filters, and hoses for optimal performance.
• Refer to the equipment manual for detailed installation and maintenance procedures.