2001 Mercury Mariner 50-60HP Factory Service Manual, Page 357Get this manual
POWER TRIM
Manifold Installation
1Install dowel pin and two (2) lubricated o-rings into trim cylinder
aO-Ring (2)Dowel Pin 2Align the trim cylinder and pumpreservoir assembly together3Install the two (2) long screws and torque to 100 lb-in(11 Nm)