1998 Johnson Evinrude "EC" Accessories Service Manual, P/N 520213, Page 148Get this manual
W 2Oil both trim caps and install on the trim rods, as shown
3Reinstall the manifold in the holding fixture Oil both trim piston and cap assemblies and install into the manifoldSlide the piston into the sleeve, and then with the end cap flush with the manifold, slide the piston all the way to the bottom of the boreDo not thread the end caps into the manifold at this time4Without removing the piston and rod assemblies, slide both end caps off the rods
[] 5Adjust the manifold on the holding fixture so the trim cylinders are levelUsing the correct fluid, fill both sleeves all the way to the topBy filling certain areas of the manifold with fluid during assembly, you will reduce the amount of time necessary to purge the system of air when you are finished[] 6Oil both trim end caps and install in the manifold Thread them in flush with the manifold by hand Using OMC Trim Cylinder End Cap Remover, PIN 324958, and torque wrenchtighten the end caps to torque of 55-60 ftIbs(75-81 Nm)[] 7Install the two identical short check valves in the front of the manifoldTighten the valves to torque of 50-60 inIbs(5,5-7,0 Nm) using drag link socket and torque wrench