Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-42794--1, Page 239Get this manual
2Align tilt ram with Power Trim housing by inserting alignment (a) in direction shown 3Install shaft (a) into housing, as shown Groove (b) will align with hole (c) when shaft is properly installed
Pump Replacement
IMPORTANT: The pump is not rebuildableIf pump is defective, replace as an assembly
NOTE: Power Trim assembly does not have to be removed from engine to replace pump1Disconnect trim pump motor wires, and remove starboard transom bracket from engine; refer toRemoval" instructions in "Power Trim Assembly Removal and Installation," precedingUnseat motor and pump assembly from housing as follows: