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Electric shift gear-head *Outdrive rebuild steps 20 to 40

OMC Stringer sterndrive lower gearcase step by step rebuild of the electric shift gear-head assembly

Outdrive rebuild steps 20 to 40

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Machine new oil seal area to 1.500 inches
Machine new oil seal area to 1.500 inches

By author Trish Dougherty

Lathe will be required to machine front face to hold extra oil seal. Machine new oil seal area to 1-1/2 inch, you can be over by up to .007 if using 680 and .003 with 609 green Loctite retaining compound. Note Loctite products are listed under tools if you need to purchase this item.

Remove old bearing and seals
Remove old bearing and seals

Remove old seals and bearings by pushing on bearing. Then sandblast or wire brush old gasket compound off gear-head assembly. Note Johnson gasket retaining compound is listed under tool if required.

Push bearing all the way thru to remove parts
Push bearing all the way thru to remove parts

Push bearing all the way to to remove oil seals and bearing parts

Press-half-way-if-not-replacing-bearing
Push bearing all the way thru to remove parts

Press only half way if you are not replacing with new bearing.

Coat 3 oil seals with 680 loctite
Coat 3 oil seals with 680 loctite

Loctite must be applied to outside on three seals.

Cover inside bearing and seal area with 680 loctite
Cover inside bearing and seal area with 680 loctite

680 Loctite must be applied to inside of retainer

Install new bearing with the number up
Install new bearing with the number up

Now you can install bearing 1st and seals after.

Will require one 22860 bearing OEM 379504
Will require one 22860 bearing OEM 379504

Will require one P/N 22860 bearing OEM 379504

Install first seal spring area down
Install first seal spring area down

Cover bearing, seals and o-ring area before painting with zinc chromate primer. Place 2 or 3 coats of clear lacquer over that to stop corrosion.

Install till flat
Install till flat

Install till flat

Install second oil seal with spring area up
Install second oil seal with spring area up

Install second oil seal with spring area up

Two seals installed here
Two seals installed here

Two seals installed here

Line up and install third oil seal
Line up and install third oil seal

Line up and install third oil seal and wipe off excess 680 Loctite compound

Insert oil seal till flat on top
Insert oil seal till flat on top

Insert 3rd oil seal till flat on top.

 

Clean bearing and seals of any 680 Loctite. This is a used electric shift with rebuilt gear-head

Used electric shift with rebuilt gear head
Used electric shift with rebuilt gear head

Used electric shift with rebuilt gear head

Used electric shift with rebuilt gear head
Used electric shift with rebuilt gear head

P/N U-22-540 Used gear head assembly OEM 381849 with 3 seals in propeller shaft area. Bearing retainer has three seals located in different areas. This is so any groves that may be on the old prop shaft will not come in contact with the newly placed seals. Gear head assembly has zinc chromate primer with clear coat paint. $179.09

Shaft view electric shift 1971-1977
Shaft view electric shift 1971-1977

OMC sterndrive shaft view for electric shift years 1971-1977

Used electric shift with rebuilt gear head

Used electric shift with rebuilt gear head

This is a standard rebuilt used electric shift sterndrive from T.C.Electronics/Marine