The GRACO 25M283 KIT, 933ES, BIG 250, MONARCH 5:1 is a heavy-duty gas hydraulic sprayer system designed for professional contractors. It is constructed with a rugged steel frame and features a high-performance hydraulic system for spraying heavy, hard-to-atomize materials such as silicones and other bonded coatings. The system is intended for use in demanding industrial and commercial applications where high flow rates and maximum pressure are required.

Key Features:

• Gas Hydraulic Sprayer System
• GH 933ES Hi Flo Big 250 with 5:1 Monark System
• Rugged, heavy-duty steel frame with enamel paint for corrosion protection; multi-function design converts to skid mount in seconds
• 2.5 GPM (gallons per minute)
• Maximum pressure: 7,250 PSI
• Designed for use with heavy, hard-to-atomize materials; compatible with various GRACO accessories and hoppers (e.g., 25D078, 16U505)
• 390 cc (13 HP) Honda engine with integrated fuel tank and electric start
• Oil Alert system for engine protection
• Back-up pull start
• High-capacity 12V 18A charging system
• Heavy-duty hydraulic system with o-ring seals to eliminate leaks
• High-precision pressure control
• No hydraulic reset button needed
• Durable hydraulic lines for long life
• Large 4-gallon hydraulic reservoir with return line filter
• Proven cooler and blower system
• Easy-roll tubed pneumatic tires
• QuickChange Xtreme Pump for fast maintenance
• Ready-to-spray Big 250 system with 250 feet of pressure-rated hose, gun, tip extensions, and fittings
• Lockable pressure control knob
• Grounding wire for safety with solvent materials
• Large diameter siphon hose

Applications:
Ideal for spraying heavy, bonded materials such as silicones, polyurethanes, and other coatings in industrial, commercial, and large-scale construction environments. Suitable for long hose runs and high-pressure applications.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise system integrity and void warranties.
• Follow all safety guidelines and manufacturer instructions during installation and operation
• Ensure proper grounding when handling solvent materials
• Regularly inspect hydraulic lines, hoses, and fittings for wear or leaks
• Use only recommended hydraulic fluids and accessories
• Perform routine maintenance on the engine and hydraulic system as outlined in the manual
• Store the system in a clean, dry environment when not in use