1997 Johnson Evinrude "EU" 90 thru 115 90 CV Service Manual, P/N 507267, Page 262Get this manual
Description of OperationFas Trak FasTrak TAf power trimtilt unit is completely contained between the engine's stern bracketsThe system consists of:
Electric motor Oil reservoir Pump manifold assembly that contains all valving Cylinder body that contains two trim cylinders and one tilt cylindershock absorber
Push the UP switch and the electric motor drives the hydraulic pump, forcing oil into the bottoms ofthe trim cylinders and the tilt cylinderBecause of mechanical and hydraulic advantage, the engine is moved the first 21 (trim range) primarily by the trim cylindersOnly the tilt cylinder moves the engine through the final 54 (tilt range)
INote While positioned in the tilt range, the engine will
at low throttle setting only
operate
Pushing the DOWN switch pumps fluid only into the top ofthe tilt cylinderThe engine tilts down and trims in, pushing the trim cylinders in as it travelsManual Operation