Components; Air Heater - Kubota M8540 Workshop Manual

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M8540, M9540, WSM

[2] COMPONENTS

The PTC intake air heater is introduced in order to

further improve the starting performance in cold regions.

The intake air heater is mounted on the air inlet manifold,

while the conventional glow plug on the cylinder head.

This means that a multi-valve design can be

implemented and that the starting performance and

serviceability are enhanced.

The 12 V battery's positive terminal is connected with

the main terminal. When the key switch is set to the

"ON" position, the current starts flowing in this routes as

indicated with the arrow marks : main terminal → PTC

element → ground (body).

The preheating time and after heating time are

controlled by CPU that is in the meter panel.

(2) PTC Element

ELECTRICAL SYSTEM

(3) Insulator

(4) Terminal

KiSC issued 09, 2008 A

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