New Alternator Group Used In Charging Alternator Groups
Usage:
3208 (32Y, 40S, 51Z, 2Z) Truck Engines
Description of Change: A new alternator is used in the charging alternator groups on 3208 Truck Engines. The former Delco-Remy alternators were discontinued by the manufacturer.
Adaptable As: The new 8T9700 Alternator (Nippon Denso) replaces the former 6Y1194 and 9G6079 Alternators (Delco-Remy) in the charging alternator groups on the above engines. The chart lists the new and former alternators, the charging alternator groups, the engine models, and engine serial number prefixes. When a new 8T9700 Alternator is used to replace a former 6T1194 or 9G6079 Alternator:
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- ... The wire that was connected to terminal 2 of the former alternator (see the illustration) is not used with the new alternator.
- ... The diode in the line that was connected to terminal 1 of the former alternator (see the illustration) is not required for the new alternator. The new alternator will work with the diode present, but the diode is not needed.
- ... The alternator terminal, identified as "1" in the illustration, is marked "1G" on the new alternator.
- ... The wire that was connected to terminal 2 of the former alternator (see the illustration) is not used with the new alternator.
Starting and charging circuit schematic.
Caterpillar Information System:
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1987/08/01 List Of Service Publications
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1987/11/01 New Service Tools Available
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