1991 Johnson/Evinrude EI 60 thru 70 outboards Service Manual, Page 278Get this manual
Description of Operation FasTrakTM power trimtilt unit consists of pump manifold assembly that contains all valving, cylinder body that contains two trim cylinders and one tilt cylindershock absorber and an oil reservoirThe unit is attached to and completely contained between the stern bracketsBy operating the electric switch in the UP direction, the electric motor drives the hydraulic pump, forcing oil into the trim cylinders and the tilt cylinderBecause of mechanical and hydraulic advantage, the trim cylinders move the motor the first 21 of movement (trim range)The tilt cylinder moves the motor through the final 54 of motion (tilt range)The outboard can be operated while tilted past the initial 21 for shallow water drivingOperation of the unit in the down direction is the opposite of movement in the up directionThe tilt cylinder moves first until the swivel bracket is resting on the trim rods, which then begin to mover;l
The motor can be raised or lowered to any desired position manually without electrical assistance using the manual release valve on the port side of the unitThere is screwdriver access hole in the stern bracketThe valve can be opened to allow oil to flow from one side of the cylinders to the otherTurn the manual release valve slowly until it contacts the retaining ringThe manual release screw must be closed to reactivate the motor's shock absorption system and reverse thrust capability