Mercury Electric Outboards 222 Thruster Service Manual, Page 17Get this manual
3Insert both thru bolts into gear housing to guide ring gear into gear housingPlace first ring gear gasket, ring gear and second ring gear gasket onto thru bolts (Figure 8), then slide ring gear with gaskets into gear housing ACAUTION
Remove any burrs from propeller shaft (around pin hole, etc) before pushing propeller shaft thru 011 seals, or burrs could cut 011 seal lips
4Place sun gear in-between planetary gears, then install propeller shaft assembly into gear housing(Figure 9) Turn propeller shaft to align planetary gears into ring gear, as shown in Figure 10
aGear Housing RetainerOil Seal (Lip of Seal Facing Out)Lubricate Lip of Seal with Multipurpose LubricantSocket (916")Use as MandrelPress
Figure 7Pressing Oil Seal Into Gear Housing Retainer
2If oil seal was removed from gear housing retainer, install as shown in Figure 7
aHoles in Gaskets and Ring Gear Must Be Aligned with Holes in Gear Housing