The GRACO 556947 is a spring designed for the plunger alarm pump in GRACO lubrication equipment. Its primary function is to provide the necessary tension and return action for the plunger alarm mechanism, ensuring reliable operation and alerting users to system status. The material is not specified in available sources.

Key Features:

• Spring, Plunger Alarm Pump
• GRACO Manzel Pump-Box Lubr-HP Series Progressive
• Essential for proper plunger alarm pump function
• Supports quick and straightforward replacement in GRACO box lubricator systems
• Designed for reliability and ease of maintenance

Applications:
Used in GRACO box lubricator systems, specifically for the Manzel Pump-Box Lubr-HP Series Progressive, to ensure proper alarm and pump operation in lubrication applications.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the lubrication system.
• Follow GRACO equipment manual instructions for spring replacement
• Ensure the system is depressurized before installation
• Inspect the plunger and alarm mechanism for wear or damage during replacement