Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-42794--1, Page 236Get this manual
7Insert shaft into housing, as shown Tap shaft into housing until shaft is positioned as shown
aShop ClothSolid Work Bench (or Floor)Air Nozzle
CLEANING and INSPECTION Inspect O-rings, and replace if damagedClean components with parts cleaner and dry with compressed airInspect tilt rod If scraper (located in cap) has failed to keep rod clean, replace scraper; refer to instructions, following
ADANGER
Cup will be expelled from housing at high velocity when air pressure is appliedFailure to place housing as shown could result in severe personal injury or death8Place housing, as shownHold down on housing and inject air into shaft opening, as shown Reinstall allen plug into shaft