The GRACO 77X301 is an electric piston pump system designed for automatic lubrication, featuring a robust steel reservoir with a dip stick for easy level monitoring. It is intended for use in demanding environments such as in-plant machinery, off-road equipment, and on-road vehicles, providing continuous lube replenishment to reduce component failures and extend equipment life.

Key Features:

• Electric Piston Pump
• Dyna-Star HP, 90 lb (41 kg) reservoir (note: 120 lb/55 kg is not standard for this model; 90 lb is standard for 77X301)
• Steel reservoir, buna-n rubber seals
• 24.6–295 cm³/min (1.5–18 in³/min) for HP models
• Maximum working pressure: 344 bar (34.4 MPa, 5000 psi)
• Single line parallel, injector-based systems
• IP69K (dust and water resistance)
• High-capacity reservoir for extended operation
• Dip stick for easy lubricant level monitoring
• Robust construction for harsh environments
• Reliable, continuous lubrication
• Easy maintenance and monitoring

Applications:
In-plant machinery, off-road equipment, on-road vehicles, mining, agriculture, and industrial applications.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing systems.
• Ensure proper electrical connection (24 VDC, 18–32 VDC input range)
• Mount the pump system securely in a location accessible for maintenance
• Use recommended lubricants and follow reservoir fill/overflow port guidelines (1/2 in NPT)
• Regularly check lubricant levels using the dip stick
• Follow all safety and maintenance procedures outlined in the manual