Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-42794--1, Page 267Get this manual
Trim Rod Disassembly 1Place trim rod assembly on clean work surface2Remove screws securing plate to trim rod piston and O-ring 3Remove check ball components from trim rod piston
4Place trim rod into soft jawed vice and apply heat to shock piston using torch lamp (pIN 91-63209)5Loosen trim rod piston using spanner wrench (14 in 5116 inlong pegs)6Allow trim rod piston to coolremove from trim rod