Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 338Get this manual
POWER TRIM
8Place cylinder as shownHold down on cylinder and inject air into shaft opening51353
aShop ClothSolid SurfaceAir Nozzle 9Remove shaft after Memory Piston Cup has been expelledReplace allen plug removed in Step and tighten securely
CLEANING AND INSPECTION
1Inspect all internal parts for damage or wearClean and replace parts as necessary2Inspect tilt rod for scratchesReplace scraper seal in rod end cap if tilt rod is scratched or worn3Slight scratches or tool marks less than 0.005 in(0.1 mm) deep in cylinder are acceptable