The GRACO 16U778 is a heavy-duty, gas-powered hydraulic airless sprayer designed for professional contractors. It is constructed with a rugged steel frame and features a large hydraulic system for spraying a wide range of materials, including paints, primers, mastics, and coatings. Its primary function is to deliver high-pressure, high-volume material application for demanding industrial and commercial projects.

Key Features:

• Gas Hydraulic Airless Sprayer
• GH 733ES, Big 250 System
• Rugged, heavy-duty steel frame with enamel-painted steel tubing for corrosion protection; multi-function design converts to skid mount in seconds
• Maximum Flow Rate: 4 GPM
• Maximum Working Pressure: 4000 psi
• Acrylics, Coal Tar, Coating, Contact Cement, Elastomer, Enamel, Epoxies, Epoxy Mastics, Fibered Aluminum Emulsion, Fibered Asphalt Emulsion, Mastics, MonoForm, Non-Fibered Aluminum Emulsion, Non-Fibered Asphalt Emulsion, Paint, Polyester, Polyurethane, Primer
• CARB Approved
• Heavy-duty cooling system with large 4-gallon hydraulic reservoir
• Return line hydraulic filter extends life
• No special hydraulic fluid needed
• Proven cooler and blower system
• Easy-to-use drain plug
• 390 cc (13 HP) Honda engine with integrated fuel tank, electric start, and Oil Alert
• Back-up pull start
• High-capacity 12V 18A charging system
• O-ring sealed to eliminate leaks
• High-precision pressure control
• No hydraulic reset button needed
• Flat-proof tires for maneuverability
• QuikChange pump system and QuikAccess intake valve for fast changeover
• Endurance Vortex MaxLife Extreme piston pump with Vortex rotating rod technology
• Repack pump in minutes with QuikPak cartridge repair system
• ProConnect pump replacement system (pinless, no tools needed)
• Durable polyethylene hopper for easy cleanup

Applications:
Industrial and commercial painting, coating, and sealing applications; suitable for large-scale projects requiring high-pressure, high-volume material application such as bridges, tanks, pipelines, and heavy equipment.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise equipment integrity and void warranties.
• Ensure all connections are secure before operation
• Use only compatible materials as specified
• Regularly check hydraulic fluid levels and filters
• Follow manufacturer’s guidelines for pump and hose maintenance
• Store equipment in a clean, dry environment when not in use
• Consult the manual for specific installation and maintenance procedures