The GRACO 239877 Fire-Ball® 300 Series is a robust, air-powered piston grease pump designed for transferring non-corrosive and non-abrasive greases and lubricants from 35 or 70 lb (16 or 32 kg) pails. It features a durable construction with corrosion-resistant materials and is intended for professional use in industrial lubrication applications.

Key Features:

• Air-powered piston grease pump
• 50:1 ratio, for 35 or 70 lb (16 or 32 kg) pail
• Thick cast aluminum air motor housing, corrosion-resistant (liquid salt nitriding, nickel plating, stainless steel, aluminum, chrome on key components), wetted materials: CS, Delrin®, Buna-N, Polyurethane
• 1.19 lb/min (0.54 kg/min) continuous-duty
• Maximum fluid pressure: 8400 psi (580 bar); Operating air pressure: 30–140 psi (3.0–9.7 bar)
• For non-corrosive and non-abrasive greases and lubricants only
• Reliable flow with 3-inch (76.2 mm) differential air motor and double-acting pump design
• Durable with fewer moving parts for less downtime and low repair cost
• Extended seal life due to in-line pump design
• Minimal wear on displacement rods from proprietary GRACO manufacturing process
• Superior sealing with non-metallic poppet valves for long life in dirty air environments
• Reduced icing with large air porting design
• Corrosion-resistant construction for longer life

Applications:
Professional grease dispensing in industrial, mining, agricultural, and maintenance environments where reliable, high-pressure grease transfer is required.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the equipment.
• Ensure the pump is used only with non-corrosive and non-abrasive greases and lubricants
• Follow all safety instructions in the manual to prevent unsafe operating conditions
• Check air supply is within the specified operating range (30–140 psi)
• Regularly inspect and maintain seals and moving parts to extend service life
• Consult the manual for detailed installation and maintenance procedures