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Author: sam

Delco 27SI

Delco 27SI Testing and Adjusting – Field Winding – Test

Posted on November 25, 2020 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…

Delco 27SI

Delco 27SI Testing and Adjusting – Diode Assembly – Test

Posted on November 25, 2020 by sam

Diode Assembly (1) Terminal (2) Terminals Remove the diode assembly from the alternator.   Set the multimeter to the diode scale.   Connect the multimeter…

Delco 27SI

Delco 27SI Testing and Adjusting – Capacitor – Test

Posted on November 25, 2020 by sam

Capacitor (1) Housing (2) Terminal Remove the capacitor from the alternator.   Touch terminal (2) to housing (1) in order to discharge the capacitor.Note: Discharge the…

Delco 27SI

Delco 27SI Troubleshooting – Charging System

Posted on November 25, 2020 by sam

System Operation Description: The alternator is an electronic component that is belt driven. The alternator is used to charge the storage battery during engine operation.…

Delco 27SI

Delco 27SI – Systems Operation

Posted on November 25, 2020 by sam

Normal Operation SMCS – 1405 The field winding uses DC voltage to create a magnetic field. The magnetic field magnetizes the rotor. The rotor rotates the…

Delco 27SI

Delco 27SI – Specifications

Posted on November 25, 2020 by sam

Table 1 27-SI Alternators Part Number Nominal Voltage Nominal Current 9L-5938 Alternator Gp 12 V 58 A 3T-7070 Alternator Gp 12 V 58 A 9W-1082 Alternator Gp 12V…

Engine News

Truck Engine News – Troubleshooting the Wastegate Canister

Posted on November 24, 2020November 24, 2020 by sam

Engine: Truck with Mechanical Unit Injection 3116 Engine: Truck 3406B 3406C Engine: 3114 Truck Engines 3116 Truck Engines 3126 Truck Engine 3126E Truck Engines 3208…

C7

C7 Industrial Engines Systems Operation – Fuel System

Posted on November 24, 2020October 8, 2023 by sam

Introduction Illustration 1 g01447542 Fuel System Diagram (1) Unit injector hydraulic pump (2) Oil flow to engine (3) Oil filter (4) Engine oil pump (5)…

C7

C7 Industrial Engines Systems Operation – Electronic Control System Components

Posted on November 24, 2020 by sam

Illustration 1 g01447503 Electronic control System components (left side view) (1) Connector for the injection actuation pressure control valve (2) Injection actuation pressure sensor (3)…

C7

C7 Industrial Engines Systems Operation – General Information

Posted on November 24, 2020 by sam

Right side view (1) Lifting eye (2) Water drain plug (3) Exhaust manifold (4) Turbocharger (5) Alternator (6) Orifice for bleeding the wastegate (if equipped)…

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