OMC parts 800 / Cobra outdrive drawings * How to videos

T.C. Electronics/Marine (416) 751-7326 Home Page

OMC 400-800 Lower unit repair steps 21-40

400-800 series installation / repair steps for lower unit.

  • 400-800repair photos
  • Co-manufacturer and distributor for GLM Products including aftermarket with 2 year warranty on parts

H2 Reverse gear and bearings

 Reverse gear and bearings

Gears are installed into housing

H4 Thrust bearing

 Thrust bearing

 
H6 Retainer plate

 Retainer plate

 
H8 Circlips

 Circlips

Retaining circlip is installed

H9 Plate holes lined up

 Plate holes lined up

 
I1 Gasket compound

 Gasket compound

Gasket sealing compound is applied to the end of the bearing carrier

I3 O ring gasket compound

 O ring gasket compound

The o-ring (GLM P/N 82400, replaces 305123) is installed onto the carrier

 1/4 28 N.F.Thread bolts

1/4 28 N.F.Thread bolts

Bolts are prepared with compound

Bolts with compound

Bolts with compound

Bolts are installed into the carrier

Carrier bolts installed

Carrier bolts installed

Bearing carrier, which has been sandblasted, primed with bearings installed is then set into the lower unit to secure the propeller shaft

Anode installed

Anode installed

Rear anode is installed (GLM P/N 12776, replaces 436745)

Bearing shims

Bearing shims

 
O ring

O ring

Bearing is pressed into housing

Retainer

Retainer

Bearing housing (OMC 982422), is sandblasted, primed and the o-ring is installed with sealing compound

Magnetic screw

Magnetic screw

Oil plug / drain screw (GLM P/N 21731, OEM 318544) is installed into the lower unit with the plug gasket

Anode bolt added

Anode bolt added

 
Note shim size

Note shim size

 
Note shifter turns

Note shifter turns

 
See rack position

See rack position

Shifting rod, rack and components are installed and set up

*800 series and Cobra lower unit drawing.
Click here for steps 41 - 50 in the rebuild process