If a bilge pump is able to develop vacuum, but is unable to sufficiently pump out the bilges, you would check for all of the following EXCEPT __________.
• bilge pump suction problems vs electrical supply problems • difference between loss of suction and insufficient discharge flow • typical causes: air leaks, clogged strainers, relief valve issues
• If the pump is already developing a good vacuum on the suction side, what does that tell you about the electrical power and motor operation? • Which components directly affect the pump’s ability to move water once vacuum is established, and which are more about whether the pump will run at all? • Think about what you would normally inspect on the suction side when you suspect air leaks or blockage—what item in the list doesn’t really fit that pattern?
• Confirm that developing vacuum means the pump is actually running and drawing on the suction side • Identify which items are part of the suction side and internal pump hydraulics (leaks, strainers, relief valve) • Ask yourself which option is about electrical protection rather than fluid flow or suction problems
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