As the leading ship supplier in Botswana, Propeller Shaft Alignment Dial Indicator Stands, we specialize in delivering high-quality Changing Impeller On Johnson Outboard with unmatched speed and reliability. Trusted by shipowners and masters worldwide, our team ensures your vessel gets everything it needs — on time, every time.
To change the impeller on a Johnson outboard marine pump, first disconnect the lower unit and remove the water pump housing. Carefully extract the old impeller and replace it with a new one, ensuring proper alignment. Reassemble the pump housing and lower unit, then test for proper water circulation.
Size: Typically ranges from 2.5 to 4 inches in diameter, depending on the pump model.
Grade: Standard marine-grade impellers designed for freshwater and saltwater use.
Viscosity: Compatible with lubricants and fluids with viscosities ranging from 10W-30 to 90W gear oil.
Buoyancy: Not applicable, as impellers are submerged and non-buoyant.
Material: Nitrile rubber (NBR) or neoprene for durability and resistance to water, oil, and corrosion.
Rotation: Clockwise or counterclockwise, depending on pump design.
Blade Count: Typically 6 to 12 blades for optimal water flow.
Operating Temperature: -20°F to 180°F (-29°C to 82°C).
Pressure Rating: Designed for low to moderate pressure systems (10-50 psi).
Compatibility: Fits Johnson Outboard marine pumps and similar OEM replacements.
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