1993 Johnson Evinrude "ET" 60 thru 70 Service Manual, P/N 508284, Page 342Get this manual
COB2241
42 124Remove the trim-up relief valve core and spring
1431 25Remove the trim-up relief valve seat from the manifold using Snap-on pliers SPR3 or equivalent1441 26Clean and inspect all the components ofthe trim-up relief valve1451 27Remove the three large electric motor retaining screws and washersRemove the electric motor from the manifold1461 28There are four types of permanent magnet electric motors on the power trimtilt unitAll motors have an O-ring on the base which needs to be inspected upon disassemblyAny of these motors may be used for replacement, but internal components may not be interchangedSet the motor aside until disassembly is required1471 29Remove the oil pump filter by simultaneously pressing the filter sideways while prying the tab out of the pocket in the manifoldClean the oil pump filter carefully1481 30There are three screws that retain the oil pump to the manifoldTwo of them are recessed Allen head cap screwsand one is hex head screw Remove the three screws and oil pump assembly Ifthe oil pump needs flushing, do not clean it in solvent but only in new, clean hydraulic fluidRotate the pump coupling to expel any foreign matter