The GRACO 239731 is a robust, air-powered grease pump designed for professional use in dispensing non-corrosive and non-abrasive greases and lubricants. It features a thick cast aluminum air motor housing for durability and is intended for high-volume, demanding lubrication applications.

Key Features:

• Air-powered grease pump
• 239731, Series B, stubby/pail length (16 kg/35 lb container)
• Thick cast aluminum air motor housing, corrosion-resistant components (liquid salt nitriding, nickel plating, stainless steel, aluminum, chrome)
• Approx. free flow rate @ 100 psi: 2.9 kg/min; Continuous duty flow rate: 0.88 kg/min
• Maximum air input: 100 psi (0.7 MPa, 7 bar); Maximum working pressure: 7500 psi (51.7 MPa, 517 bar)
• For use with non-corrosive and non-abrasive greases and lubricants only
• Fewer moving parts for less downtime and low repair cost
• Non-metallic poppet valves for superior sealing in dirty air environments
• In-line pump design for extended seal life
• Corrosion-resistant construction for longer service life
• Durable, reliable, and suitable for continuous duty

Applications:
Ideal for high-volume, demanding lubrication applications such as industrial maintenance, mining, agriculture, and vehicle service. Suitable for long pipe runs and multiple dispense points.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the equipment.
• Install the air line according to the manual’s instructions and ensure maximum air input pressure does not exceed 100 psi
• Mount the pump securely using the provided mounting hole layout (see manual for dimensions)
• Use only non-corrosive and non-abrasive greases and lubricants
• Regularly inspect and maintain the pump to prevent unsafe operating conditions and component rupture
• Read and follow all warnings and instructions in the manual before installation and operation
• Save the manual for future reference
• Contact a GRACO specialist for detailed installation, maintenance, and compatibility information