The GRACO LM4311 Lubemaster Pump is a robust, motor-driven lubrication pump designed for efficient delivery of grease or oil in industrial settings. It is constructed for durability and reliability, intended for use in automated lubrication systems for machinery such as mills, crushers, presses, conveyors, and shears.

Key Features:

• Motorized lubrication pump
• LM4311
• Totally enclosed, rugged design
• Output per stroke: 0.010–0.050 in³ (0.16399–0.8195 cm³); Output range: 0.010–0.862 in³ (0.1619–143.41 cm³) per minute
• Maximum operating pressure: 5,000 psi (340 bar)
• Designed for use with Series Flo or reversing systems; suitable for grease or oil
• Explosion proof: Class I, Group C and D; Class II, Group E, F and G (LOH Low Level Option only)
• Anti-friction drive bearings for smooth operation
• Simplified maintenance
• Wall or floor mountable
• Wide range of cycle rates (1–175 strokes per minute)
• High reliability and long duty cycle

Applications:
Used in mills, mill tables, crushers, presses of all sizes, conveyors, shears, and other industrial machinery requiring continuous or time-controlled lubrication cycles.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety in demanding industrial environments.
• Ensure proper alignment and secure mounting (wall or floor)
• Follow manufacturer guidelines for electrical connections and system integration
• Regularly inspect and maintain pump components for longevity
• Use only compatible lubricants as specified by GRACO