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Author: sam

3406E

26SI Series Alternator – Wiring Harness (Short Circuit) – Test

Posted on April 24, 2021 by sam

Electrical problems are often caused by failed electrical wires that have either an open circuit or a short circuit. If one part of the circuit…

3406E

26SI Series Alternator – Wiring Harness (Open Circuit) – Test

Posted on April 21, 2021 by sam

Electrical problems are often caused by failed electrical wires that have either an open circuit or a short circuit. If an electrical wire or a…

3406E

26SI Series Alternator – Electrical Connector – Inspect

Posted on April 21, 2021 by sam

ReferenceSpecial Instruction, SEHS9615, “Servicing DT Connectors”. ReferenceSpecial Instruction, REHS0148, “Listing Of Deutsch Connector Components” ReferenceSpecial Instruction, SEHS9065, “Use Of CE Connector Tools”. ReferenceService Magazine, SEPD034227…

3406E

26SI Series Alternator – Residual Magnetism – Restore

Posted on April 21, 2021 by sam

Illustration 1 g00874988 Restoring the Residual Magnetism (1) Jumper wire Reduced residual magnetism results in charging problems during start-up. Follow the procedure below in order…

3406E

26SI Series Alternator – Insulated Screw – Check

Posted on April 21, 2021 by sam

Illustration 1 g00874874 Inside of the Rear Frame (1) Insulated screw (2) Insulated screw (3) Insulated screw Insulated screws (1) and (2) fasten the field…

3406E

26SI Series Alternator – Brush Length – Check

Posted on April 21, 2021 by sam

Illustration 1 g00720873 Brush holder (1) Brushes (2) Brush length Measure the length of brushes (1). The minimum brush length (2) is 7.6 mm (0.30…

3406E

26SI Series Alternator – Stator – Test

Posted on April 21, 2021 by sam

Stator Winding Continuity Test Illustration 1 g00873098 Stator (1) Leads (2) Frame Remove the stator from the alternator. Connect the multimeter leads across each pair…

3406E

26SI Series Alternator – Regulator – Test

Posted on April 21, 2021 by sam

The regulator test determines problems in the following components: the regulator, the field winding, the rectifier and the diode assembly. The regulator test does not…

3406E

26SI Series Alternator – Rectifier – Test

Posted on April 21, 2021 by sam

Illustration 1 g00873381 Rectifier (1) Negative diode clips (2) Grounded heat sink (3) Positive diode clips (4) Insulated heat sink For the following tests, bend…

3406E

26SI Series Alternator – Field Winding – Test

Posted on April 21, 2021 by sam

Illustration 1 g00872663 Field Winding (1) Leads (2) Housing Field Winding Continuity Test Remove the field winding from the alternator. Connect the multimeter leads across…

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