Section 2:

How The Transmission Works

This section will allow you to properly identify all the components of the transmission and selector mechanism, and understand how each one of them functions as an essential part of the whole unit.

A. Terminology -

Locating And Identifying The Components

1. The two geared shafts in the gearbox are the mainshaft and the layshaft. Power is delivered to the gearbox through the clutch, which is fitted to the left end of the mainshaft

FIG. 23

There are five gears on the mainshaft, (Fig. 23) one of which can be slid back and forth to engage the gear on its left. This engagement is done by small pegs on the sides of the gears. These pegs are called engaging dogs. The mainshaft also utilizes a separate gear engaging device called a sliding dog.

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