Aircraft Maintenance Technology

AUG-SEP 2018

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12 AUGUST/SEPTEMBER 2018 AIRCRAFT MAINTENANCE TECHNOLOGY TECH TIPS Gary Dudley, Ph.D., Global Grease Product Technical Advisor for ExxonMobil Research & Engineering Lubricants Technology, tackles questions on grease shelf life and storage best practices By Gary Dudley Understanding Grease Shelf Life and Storage Best Practices To better understand the aviation industry’s key concerns and pain points related to grease storage, handling, and application best practices, ExxonMobil asked MRO Americas attendees to submit their grease-related questions directly to the ExxonMobil team. Having collected more than 40 questions on topics, including color, formulation, storage, and handling, ExxonMobil has offered to share the answers in a three-part series. Q. Where and how should you store greases? Grease containers should be stored indoors in dry, cool, and clean environments. Normal storage temperatures should range from 0 C to 40 C (32 F to 104 F). In the event that a stored grease is briefly exposed to severe temperatures or environmental conditions, technicians should consult their suppliers with concerns. Once a container is opened, the grease should be used as soon as possible to avoid potential contamination or degradation. Since the rate of grease degradation can be impacted by exposure to contamination and/or storage and handling conditions, the listed shelf life recommendation for a grease is no longer applicable once the container is opened. For more information on storage and handling best practices, review our technical topic here. EXXONMOBIL

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