The GRACO 77X990 is a heavy-duty electric piston pump system designed for automatic lubrication in harsh environments. It features a robust steel reservoir, advanced low-level sensor, auto-fill shutoff, remote fill manifold, and integrated wiring harness and cables. The system is engineered for reliable, efficient, and safe grease dispensing, suitable for demanding industrial and mobile applications.

Key Features:

• Electric Piston Pump
• Dyna-Star® HP, 90 lb (41 kg) reservoir
• Steel reservoir, stainless steel and PEEK wetted parts, robust housing
• HP models: 5000 psi (34.47 MPa, 344 bar)
• Single line parallel automatic lubrication systems; compatible with oil to NLGI #2 grease
• IP69K protection rating
• Auto-Fill Shut Off (AFSO) for spill-free, single-person refilling
• Low Level Sensor alerts when lubricant is low, not out
• Remote Fill Manifold for ground-level, safe filling
• Wiring harness and cables for easy installation
• Pressure switch for system monitoring
• Cavitation-free fill and vent path
• No follower plate required for reliable operation
• Inline filter (400µm steel mesh, 5000 psi max pressure)
• Adjustable motor controls for application flexibility

Applications:
In-plant machinery, off-road equipment, on-road vehicles, mining, agriculture, and other industrial environments requiring reliable automatic lubrication

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance. Non-genuine parts may compromise system integrity and safety.
• Follow the equipment manual for detailed installation instructions
• Ensure all electrical connections are secure and meet local codes
• Use the remote fill manifold for safe, ground-level refilling
• Regularly check and maintain the inline filter
• Monitor the low-level sensor and pressure switch for system health
• Consult a GRACO specialist for complex installations or troubleshooting