Maruzza's Horizons · video

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Giuseppe replaces the shaft oil seals and impeller on a 1998 Johnson 8hp outboard engine to resolve an oil leak from the foot.0:36 To access the seals, he drains the gear oil, removes the three mounting bolts using imperial wrenches, and detaches the foot from the engine.0:48 He then removes the impeller housing and the seal case, which contains the power shaft and gear shaft.1:49 After extracting the damaged seals, he installs two new seals into the case, ensuring they are oriented in opposite directions.3:37 He also replaces the gear shaft O-ring, cleaning the shaft surface with steel wool before seating the new O-ring and retainer.4:10 During reassembly, he greases the shafts to prevent damage to the new seals and aligns the impeller notch with the shaft key.8:58 Finally, he refills the gearbox with oil by pumping it from the bottom drain plug until it exits the top vent to ensure no air remains trapped.15:02

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