If a static pressure system check reveals excessive leakage, how may the leaks be located?

When dealing with excessive leakage in a static pressure system, isolating portions of the line and testing is an effective method to locate the leaks. This approach allows for a systematic examination of the system by segmenting it into smaller sections. By isolating each section, one can apply either pressure or vacuum tests to identify where the pressure diminishes or where air escapes. This method is efficient because it helps pinpoint the specific location of the leak without needing to dismantle or replace the entire system.

The other options are less effective for locating leaks. Visually inspecting instruments might yield some clues, but it won't definitively show where the leak is occurring within the tubing or connections. Using a vacuum tester could assist in checking for leaks, but it may not provide the comprehensive insights that isolating specific sections provides. Replacing the entire system is an extreme measure that would be unnecessary if the problem can be identified and resolved through testing and repair of just the affected sections.