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 TM 55-1905-221-14-1
4-16.
PILOTHOUSE AND ENGINE ROOM THROTTLE AND REVERSE GEAR CONTROLS.
Each propulsion unit consists of two engines connected by linkage to a common throttle and reverse gear
control.
The throttle control adjustment is made so that each engine of a twin unit will carry its share of the load.
Individual engines are controlled by a single throttle control from the pilothouse or from the engine room. The throttle
adjustment is made after setting exhaust valves (para 4-44), timing the injector (4-55), adjusting the governor (4-62), and
adjusting the injector operating linkage (4-55). The propulsion unit throttle control is inter-locked with the reverse gear
control lever to prevent engagement or disengagement of the clutch until the throttle has been placed in the idle speed
position.
Reverse Gear Control. A single control lever is provided in the pilothouse and in the engine room for reverse
gear control of each propulsion unit. The reverse gear control is interlocked with the throttle control to prevent
engagement or disengagement of the clutch except when propulsion unit is at idle rpm. Control of individual engine
reverse gears is provided by a shut off valve for controlling the flow of oil to each engine. The valves are normally in a
vertical (ON) position.
4-41
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