1993 Johnson Evinrude "ET" 90 degrees CV Service Manual, P/N 508285, Page 280Get this manual
Description of Operation FasTrak'" 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)While positioned in the tilt range, the engine will operate at low throttle setting onlyPushing the DOWN switch pumps fluid only into the top of the tilt cylinderThe engine tilts down and trims in, pushing the trim cylinders in as it travelsManual Operation
'11 The engine can be positioned manually anywhere within its
75 of travel by first opening (loosening) the manual release valveaccessible with screwdriver through hole on the outside of the port stern bracketRefer to Manual ReleaseUP and Manual ReleaseDOWN in this section for details of positioning the engine manually and for details of system operations while moving the engine manuallyA trim gauge is provided with the motorA sending unit is installed on the port stern bracket that is accessible when the engine is fully tiltedFor trailering the engine while it is tilted, trailering bracket is provided to protect the hydraulic systemTo use the trailering bracket, tiltthe engine up fully, engage the bracket, then tilt the engine down until the bracket is firmly in positionThe trim cylinders will remain extended