Scheduled Maintenance We will be conducting scheduled maintenance on May 14th from 09:00 PM EST to May 15th 09:00 AM EST. During this time Aerospace applications will be temporarily unavailable. We apologize in advance for any inconvenience.

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131-9 APU DP Sensor – Lubrication & Installation Process

This video demonstrates the correct lubrication process for the Delta Pressure Sensor (P/N 3876227-2) on the Honeywell 131-9 APU.