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COUPLER AS 3966875 - Caterpillar

3966875 COUPLER AS Caterpillar parts COUPLER
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Caterpillar 3966875 COUPLER AS

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Illustration 1. Correct power connection.2. Use only the 5P7360 Tachometer Generator with diagnostic service tools that get power from the machine battery.3. Do not let the metal end of magnetic input cables contact the machine frame during operation.6V2100 Multitachs assembled after May 1, 1981 have fuses for circuit protection. 6V2100 Multitachs assembled before May 1, 1981 do not have fuses to give protection to the electrical circuits. It is necessary to open the multitach to find out if your multitach has these fuses. These fuses are soldered to each lead of the power connector as shown in Illustration 2. Special Instruction, Form SEHS7807-01 gives the information necessary for correct power connections, fuse installation, fuse replacement and information to repair damaged circuits.
Illustration 2. Location of fuses.

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