Manuals could explain WHY

In the workshop…

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Water Pump Impeller Kit

Mike the Mechanic: Never start the outboard motor without water running through the cooling system.

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Joe Fisher: Why?

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Mike the Mechanic: The impeller will melt down.

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Joe Fisher: Serious. But the manual only says "Don’t start the engine without water running through the cooling system." It doesn’t say why.

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Voice-over

Ford Model A engine

High tech engines now are so delicate. Modern manuals assume little knowledge of the user. Instructions such as “Take it to the dealer.” Not how Henry Ford designed his automobiles. If they went wrong on the road, the operator could fix it himself. With a bit of Number 8 wire. The Model A manual explained how AND why.

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