If poor combustion occurs in an auxiliary boiler due to an air damper linkage being out of adjustment, you would adjust the linkage and then __________.
• auxiliary boiler combustion and the importance of correct air–fuel ratio • what the air damper linkage actually controls in the burner system • which follow‑up check is most directly related to restoring proper flame stability and cleanliness after an air issue
• After fixing an air control problem, which option deals with something that is most likely affected by improper combustion and sooting? • Which choice relates to safety limit settings (that usually do NOT change just because combustion was poor)? • Which items would you normally check only when there is an ignition failure rather than an air‑damper adjustment issue?
• Identify which choice focuses on flame detection/visibility rather than pressure or ignition hardware. • Eliminate any options that are about system limits or control setpoints that shouldn’t be routinely changed after a simple linkage adjustment. • Ask: after a sooty, smoky, poorly burning flame, what component is most likely to have carbon deposits that interfere with normal operation?
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