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August 18, 2025 Service bulletin

This bulletin provides instructions for installing a longer hydraulic hose between the auxiliary pump and...

Oshkosh technical service bulletin FDM-TSB-005 for 2022-2025 Oshkosh S-Series.

Bulletin number
FDM-TSB-005
Component
Unknown or other
Summary
This bulletin provides instructions for installing a longer hydraulic hose between the auxiliary pump and the hydraulic manifold load sense port, and a straight fitting to the hydraulic manifold load sense port to reduce pressure spikes. The longer hose provides additional hydraulic fluid volume between the auxiliary pump and hydraulic manifold and acts as an accumulator for the load sense auxiliary pump function.

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