An Iowa refuse truck manufacturer was experiencing issues with an alternative automatic lubrication system over greasing during normal operation. After reviewing the competitor’s installations it was apparent that proper system analysis and design were not used when determining lubrication requirements. End users complained of bearing seals blowing out and excessive greasing of the rail bearings and gripper system.
Graco worked with purchasing, engineering, and equipment builders to determine the best solution for the application and a G3 pump was chosen. The G3 Pro pump was designed to turn on only when the hydraulic system is engaged for the refuse truck collection system. For the lubricant metering devices, USP divider valves were used to maintain a competitive pricing structure, and to minimize space requirements on the various lubrication locations. Lastly, cycle indicators and grease zerks were applied to each USP divider valve to assist the end user in troubleshooting, should system diagnosis be needed after installation. Furthermore, Graco also trained equipment builders in the installation process to ensure proper routing and metering of lubrication to the various grease points.
As a result, the OEM achieved an increase in customer satisfaction due to providing a factory fit automatic lubrication system to the end user that provides reliable and proper lubrication practices. Since then, the OEM has experienced a decrease in warranty repair and service calls on failed bushings, bearings, and cylinder packings from the end user.
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