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 TM 55-1905-221-14-1
NOTE
The steering system is designed to be supplied by one pump. Using both pumps will only cause a doubled
bypass flow resulting in excessive heating of oil. The steering system pump discharge valves should be set
with one valve open and one valve closed.
1-20. POWER TAKE-OFF.
The outboard engine of each propulsion unit is equipped with a front-mounted power take-off (fig. 1-10) to drive the
hydraulic pumps for the ramp hoist system. Each power take-off includes a lever operated clutch. A front end power
takeoff adapter supports the power take-off assembly and surrounds the clutch and drive mechanism. The adapter retains
the crankshaft oil seal and is bolted to the engine front end plate and cylinder block.
Figure 1-10. Power Take-off.
1-49
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