The GRACO 17E835 GMAX II 7900 Roof Rig Gas Airless Sprayer is a portable, gas-powered airless sprayer designed for professional contractors who require a robust solution for applying a wide range of coatings. It is constructed for durability and is intended for use in roofing, waterproofing, and general coating applications on residential, commercial, and industrial job sites.

Key Features:

• Airless Sprayer
• GMAX II 7900
• Heavy-duty, portable cart design with rugged components
• 2.2 GPM
• Maximum working pressure: 3300 psi (22.8 MPa, 228 bar, 22800 kPa)
• Latex paint, primer, block filler, enamel, elastomerics, acrylics, epoxy coating, epoxy mastics, polyester, coal tar, polyurethane
• Powered by Honda® engine (6.5 HP)
• Xtreme Duty Max Life Pump fluid section
• Smart Control 3.0 pressure control
• LED display for monitoring
• Includes Contractor PC Gun, RAC X LP 517 Spray Tip, RAC X Guard
• Heavy-duty prime valve and blue texture gun (in some packages)
• Lightweight (approx. 146 lbs)
• Factory-tested and field-proven design
• High output with superior control
• Easy maintenance and reliable performance

Applications:
Ideal for roofing, waterproofing, and coating contractors needing a portable, high-performance sprayer for small jobs, cut-ins, or as a complement to larger rigs. Suitable for residential, commercial, and industrial projects.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and warranty coverage.
• Ensure all hoses and fittings are securely connected before operation.
• Use recommended tips and filters for the specific material being sprayed.
• Regularly inspect and maintain the pump and engine for long service life.
• Follow manufacturer guidelines for priming and flushing the system.
• Store the sprayer in a clean, dry environment when not in use.
• Clean the sprayer thoroughly after each use to prevent material buildup.
• Replace filters and tips as needed to maintain spray quality.
• Check for leaks and wear on hoses and fittings.
• Schedule regular service intervals as recommended by GRACO.