The GRACO 239888 Fire-Ball® 300 Series is a pneumatic piston grease pump designed for dispensing medium pressure, low to medium volume grease up to NLGI #2. It is constructed with durable materials including steel, brass, aluminum, acetal, nitrile rubber, and polyurethane. This pump is intended for use in industrial, automotive, heavy-duty, fleet, and mining applications, providing reliable grease delivery from 400 lb (180 kg) drums.

Key Features:

• Pneumatic Piston Pump
• Fire-Ball® 300 Series, 400 lb (180 kg) drum, 50:1 ratio
• Steel, brass, aluminum, acetal, nitrile rubber, polyurethane
• 1.19 lb/min (0.54 kg/min)
• Maximum working pressure: 8400 psi (58 MPa)
• Grease up to NLGI #2
• Continuous-duty operation
• Durable construction with fewer moving parts for extended uptime
• Air motor effective diameter: 3 in (76.2 mm)
• Air inlet: 3/8 in female NPT
• Material inlet: slotted
• Material outlet: 1/4 in female NPT
• Maximum air consumption: 22.8 SCFM at 100 psi
• Operating range: 30–140 psi (3.0–9.7 bar)
• Wetted materials: CS, Delrin®, Buna-N, polyurethane

Applications:
Automotive dealerships, heavy-duty dealerships, fast lube and service centers, fleet service facilities, lube trucks, mining, and in-plant industrial applications.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing systems.
• Ensure the pump is securely mounted to a stable surface or drum
• Connect air supply to the 3/8 in female NPT air inlet
• Use appropriate fittings for grease inlet and outlet connections
• Follow all safety guidelines and manufacturer recommendations for pneumatic equipment
• Regularly inspect and maintain wetted parts for wear and contamination
• Periodically check and replace seals and wetted components as needed
• Keep air supply clean and dry to prevent internal damage
• Monitor cycle rates and air consumption for signs of wear or inefficiency