2-3.2. Engine Drive Train; Figure 2-5. Engine Drive Train - Continental Motors O-200-D Installation And Operation Manual

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An enlargement of each casting's lower parting flange at the front end forms half of a boss

which is machined and studded to make a mount pad for a vacuum pump. A semicircular

flange at the rear of the crankcase bottom surface is machined flat and studded to form the

front half of the oil sump mount pad.

Two studs driven into bosses at the lower parting flanges are used to attach the intake

manifold. The crankcase breather elbow is screwed into a tapped boss forward of No. 3

cylinder. An upper and a lower arm at the rear of each case casting affords an engine

mounting point. The arm bosses of the crankcases are bored through and counterbored for

mount bushing assemblies. The flange surrounding the rear end of the crankcase is

machined flat and studded to attach the accessory case. The studded fuel pump mount pad

on the 1-3 side of the crankcase is a legacy feature which is no longer used. The pad is

supplied with a cover.

2-3.2. Engine Drive Train

The engine drive train consists of the crankshaft, camshaft and drive gears.

Starter

Oil Pump

Driven Gear

Alternator

O-200-D & X Series Engine Installation and Operation Manual

3 January 2017

Crankshaft

Camshaft

Camshaft Gear

Oil Pump Drive Gear

Engine Description

2-11

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