The GRACO 25C974 is an automatic lubrication system designed for on-road vehicles, specifically for drum brake and sealed spring pin applications. It is constructed for use with grease and is intended to provide reliable, automated lubrication to multiple points on a 6x4 tandem axle vehicle, reducing manual maintenance and extending equipment life.

Key Features:

• Automatic Lubrication System
• Electric Grease Jockey System, 6x4 Tandem Axle, 4 Modules, 26 Points
• Ruggedized, U.V., chemical, and high-impact resistant
• Output per element/min: 0.5 in³ (8 cm³) (for similar Grease Jockey models)
• Maximum Pressure: 2,000 psi (352 bar)
• Compatible with grease; designed for on-road vehicles with drum brakes and sealed spring pins
• IP69K, CE, ROHS, EMC, Pressurized Equipment Directive, National Fluid Power Association
• Adjustable ON/OFF times
• PIN code lockout
• On-panel alerts (e.g., out of grease)
• Data management system (on select models; confirm for 25C974)
• Ruggedized for harsh environments
• Easy programming and maintenance
• Reliable, field-proven performance

Applications:
Automated lubrication of drum brakes and sealed spring pins on 6x4 tandem axle vehicles, suitable for on-road commercial vehicles and fleets.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and warranty support.
• Follow the manufacturer’s installation guide for proper module and hose routing.
• Ensure all connections are secure and free from leaks.
• Use only compatible grease as specified by GRACO.
• Regularly check system alerts and perform scheduled maintenance.
• Consult the manual for specific wiring and power requirements (12 VDC or 24 VDC).