The GRACO LM5331 Lube Master® Electric Pump is a rugged, floor-mounted grease pump designed for demanding industrial applications. It features a 12 lb. (5.44 kg) plastic grease reservoir and is constructed with a cast iron main body and heavy-duty internal components for durability. Its primary function is to deliver consistent, reliable grease lubrication in harsh environments.

Key Features:

• Electric grease pump
• LM5331, 12 lb. (5.44 kg) grease reservoir, 10:1 floor mount
• Cast iron main body, hardened steel piston in steel sleeve, modular components
• Designed for use with GRACO automatic lubrication systems and compatible with a wide range of industrial equipment
• Adjustable output
• Broad output range
• Simplified construction
• Hardened steel piston in steel sleeve
• Soft-seat outlet check valve
• Modular components for easy maintenance
• Anti-friction drive bearings for reliability
• Electric motor (gear drive) for consistent performance

Applications:
Suitable for severe-duty environments such as industrial manufacturing, mining, energy, agriculture, and transportation. Ideal for applications requiring continuous or time-controlled lubrication cycles in mills, crushers, presses, conveyors, and shears.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing systems.
• Ensure the pump is mounted securely on a stable, level surface
• Connect to the appropriate electrical supply (230/460V, 3 PH, 60 Hz)
• Follow all local electrical and safety regulations
• Regularly inspect and maintain modular components for longevity
• Consult the equipment manual for specific installation and maintenance procedures