REPAIR INSTRUCTIONS

Engine Reassembly

General Instructions

This section includes step-by-step procedures for complete reassembly of the engine. Major components that were inspected and overhauled or replaced under the respective bench procedures are reinstalled here as assemblies.

Failure to follow the sequence of operations listed may result in damage to components or personal injury.

After cleaning the components, properly store them where they will remain clean until needed for reassembly.

When required for installing components, be sure to use clean engine oil of the approved type.

Crankshaft Installation

1.Be sure that the crankshaft and the crankcase area of the cylinder block are clean.

2.Thoroughly clean each main bearing bore and the back of each bearing insert before installation. The inserts must be installed dry.

The hole in the insert must line up with the drilled hole in the block or the bearing will fail due to lack of lubrication. The upper bearing insert is stamped on the back with the word “UPPER.”

3.Place the upper half of the bearing insert (2) in the cylinder block main bearing bore, making sure that the locating tab (1) fits into the notch in the bore (Figure 267).

1. Locating Tab2.

4.Repeat the previous step to install the remaining upper inserts. Refer to Figure 268 for the part number and location of each bearing insert.

A bearing insert installed at the wrong location can cause engine failure.