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Mercury 40 FourStroke User Manual

Mercury 40 FourStroke
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MANUAL TILT ASSIST
90-857046R1 NOVEMBER 2001 Page 5C-11
Under Water Strike (Valves Open)
Should the drive unit strike a submerged object while in forward motion, the shock rod (a)
will extend from the tilt cylinder (l). Fluid will attempt to exit the cylinder through the intercon-
necting passage. The rapid fluid flow will increase the pressure below the surge valve (k),
causing the valve to move, closing the oil return passage back into the accumulator (c). Oil
inside the up cavity is locked in a static position by the closed surge valve. As the shock rod
extends outward, the pressure inside the up cavity will reach sufficient pressure to open the
shock valve (p) which opens at 880-1110 PSI. Oil will flow into the cavity created as the
shock rod & shock piston (a & n) moves away from the memory piston (m).

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Mercury 40 FourStroke Specifications

General IconGeneral
BrandMercury
Model40 FourStroke
CategoryOutboard Motor
LanguageEnglish

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