REPAIR OF BLOWER ASSEMBLY NSN 4920011116824RN

This requirement is for the Teardown/Test/Evaluation (TT&E) and repair of NSN 4920-01-111-6824RN, P/N 89162-204 Blower Assembly. This component is a single stage lobe blower with a positive displacement type unit whose pumping capacity is determined by size, operating speed and pressure conditions. It employs a single-lobe impeller within a cylinder closed at the ends by headplates. As the impellers rotate, air is drawn into one side of the cylinder and forced out the opposite side against the existing pressures. The Cabin Pressurized Leakage Tester unit is a self-contained portable diesel-powered unit seal compressor driven by a 12 VDC electric motor, used to furnish air at various pressures and flows to measure aircraft cabin leakage. The following table reflects the Best Estimated Quant