Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-42794--1, Page 284Get this manual
7Using suitable mallet, drive upper pivot pin into swivel bracket and through trim ram until pivot pin is flush with swivel bracket 9Remove trim fluid fill screwFluid level should be to bottom of threadsAdd Quicksilver Power Trim and Steering Fluid (92-90100A12) or Automatic Transmission Fluid (ATF) Type F, FA or Dexron II to trim system, if necessary10Reinstall fill screw11 Power trim may now be operated to lower outboard to desired positionTrim system is self bleeding12Reconnect spark plug leads to spark plugs13Reinstal.1top cowl14Connect battery leads to battery terminals