1999 "EE" Evinrude 70HP 4-Stroke Service Manual, P/N 787023, Page 182Get this manual

1999 "EE" Evinrude 70HP 4-Stroke Service Manual, P/N 787023, Page 182

Manual Release Circuit (Down Mode)

1By opening the manual release valvethe engine can be lowered manually to running positionOil underneath the trim and tilt pistons will be directed through this valve into the area above the tilt rod piston
2The volume of oil flowing from under the trim rod pistons will be larger than the area above the tilt rod piston can accommodateExcess oil therefore returns through the manual release valve to the reservoir

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