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A. It is an expanding connector, expansion plug number 3, covering diameters from 33 to 50mm for sealing openings during tests.
A. It covers an expansion range from approximately 33 millimetres up to 50 millimetres.
A. It is listed under fuel, coolant and lubrication repairs, associated with cooling system tools.
A. It is fitted into a port or opening and expanded to create a temporary seal for pressure or flow testing.
A. Different openings require different plugs, so multiple sizes allow a single test kit to accommodate many vehicles.
A. It may be used on other fluid systems where diameter range and pressure ratings are appropriate.
A. Ensure the seal faces are intact, the expansion mechanism works smoothly and the plug size matches the target opening.
A. Keep them in a marked tray or case, sorted by size and plug number.
A. Release system pressure first, then contract the plug gradually and withdraw it carefully to avoid sudden release."
A. It measures about 170 x 220 x 60mm and weighs roughly 0.3 kilograms.
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