The GRACO LM9311 Lubemaster Pump is a robust, automatic lubrication pump designed for demanding industrial environments. It is constructed from durable materials suitable for harsh conditions and is intended to efficiently pump grease or oil in a wide range of applications, including mills, conveyors, presses, and crushers. The pump is engineered for reliability and long-lasting performance, making it ideal for use within GRACO lubrication systems.

Key Features:

• Automatic grease/oil pump
• LM9311
• Rugged, durable materials for harsh environments
• 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 (varies by configuration)
• Maximum operating pressure: 5,000 psi (340 bar)
• Compatible with Series Flo or reversing systems; suitable for wall or floor mounting; replacement for Trabon Model AKA, PME, and MP pumps
• Explosion proof: Class I, Group C and D; Class II, Group E, F, and G (LOH Low Level Option only)
• Long-lasting, reliable performance
• Configurable for various applications
• Can be driven by electric motor or machine motion
• Anti-friction drive bearings
• Simplified maintenance
• Totally enclosed pumping unit
• Available with low-level switches and high-pressure blowout switches

Applications:
Used in mills, mill tables, crushers, presses of all sizes, conveyors, shears, and other industrial machinery requiring reliable automatic lubrication.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise system integrity and void warranties.
• Ensure proper alignment and secure mounting (wall or floor)
• Follow manufacturer’s instructions for electrical connections and gear reducer selection (10:1 or 60:1)
• Install low-level switches for reservoir monitoring if required
• Use high-pressure blowout switches for over-pressure protection
• Regularly inspect and maintain the pump for long-term reliability