1985 OMC 65, 100 and 155 HP Models Commercial Service Manual, PN 507450-D, Page 383Get this manual
Description100 and 55 The power trimltilt unit consists of manifold that contains all valving, oil reservoir, oil pump, electric motor, and hydraulic trim cylindersAttached to the manifold is the combination hydraulic tilt cylinder and shock absorberThe entire assembly is attached to and contained completely between the stern bracketsThe tilt cylinder is connected to the manifold and the swivel bracketTrimming is accomplished by the trim cylinder push ing on the swivel bracket at the thrust pads