Where diesel engine speed and clutch controls are combined into one operation by a single control lever, movement of the lever from the 'stop' position to the 'ahead' position will FIRST __________.
• Single-lever control systems for diesel engines and clutches • Relationship between engine speed and clutch engagement to prevent stalling or gear damage • What happens mechanically when moving from stop/neutral toward an ahead position
• Think about what would happen if the propeller were engaged before the engine speed was appropriate. What risk would that create? • From a mechanical standpoint, does the control system need to prepare the engine before engaging the clutch, or the clutch before changing engine speed? • Imagine you are moving the lever very slowly from STOP toward AHEAD: which change must occur first to allow a smooth, non‑damaging transition?
• Verify which comes first in a combined control: adjusting RPM or engaging/disengaging clutches • Consider how to avoid engine stalling or shock loading on the gears when going from stop to ahead • Remember that at the STOP position, the propeller is not turning—what must change first before the propeller can safely be driven ahead?
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