SUPPLEMENT FOR 3114, 3116 & 3126 - INDUSTRIAL ENGINES ENGINES EQUIPPED WIT Caterpillar


Alternator and Regulator

Usage:

7T2095 Alternator (24 V 35 A)

NOTE: Load battery with a carbon pile (4C4911 Battery Load Tester) to get maximum alternator output.

Polarity ... negative ground

Rotation ... either direction

Turn on speed at 25°C (77°F) (maximum) ... 2000 rpm

Output voltage at 25°C (77°F) ... 28 ± 1 V

Rated output (cold) at 5000 rpm (minimum) ... 27.9 A

Rated output (cold) at 1500 rpm (minimum) ... 10.8 A

(1) Pulley nut. Tighten to a torque of ... 60 ± 7 N·m (45 ± 5 lb ft)

(2) Output (+) terminal. Tighten nut to a torque of ... 3.7 to 4.5 N·m (33 to 40 lb in)

(3) Negative (-) terminal. Tighten nut to a torque of ... 2.3 ± 0.3 N·m (20 ± 2 lb in)

7T2096 Alternator (12 V 51 A)

NOTE: Load battery with a carbon pile (4C4911 Battery Load Tester) to get maximum alternator output.

Polarity ... negative ground

Rotation ... either direction

Turn on speed at 25°C (77°F) (maximum) ... 2000 rpm

Output voltage at 25°C (77°F) ... 13.8 ± .2 V

Rated output (cold) at 5000 rpm (minimum) ... 45 A

Rated output (cold) at 1500 rpm (minimum) ... 14.5 A

(1) Pulley nut. Tighten to a torque of ... 60 ± 7 N·m (45 ± 5 lb ft)

(2) Output (+) terminal. Tighten nut to a torque of ... 3.7 to 4.5 N·m (33 to 40 lb in)

(3) Negative (-) terminal. Tighten nut to a torque of ... 2.3 ± 0.3 N·m (20 ± 2 lb in)

9X6796 Alternator (12 V 115 A) 9W1082 Alternator (12 V 115 A)

NOTE: Load battery with a carbon pile (4C4911 Battery Load Tester) to get maximum alternator output.

Polarity ... negative ground

Rotation ... either direction

Turn on speed at 25°C (77°F) (maximum) ... 2000 rpm

Output voltage at 25°C (77°F) ... 14.0 ± 0.5 V

Rated output (cold) at 5000 rpm ... 107 A

Rated output (cold) at 1500 rpm ... 45 A

(1) Pulley nut. Tighten to ... 102 ± 7 N·m (77 ± 5 lb ft)

(2) B (+) output terminal. Tighten nut to ... 11.3 ± 2.3 N·m (100 ± 20 lb in)

(3) B (-) ground terminal. Tighten nut to ... 6.2 ± 0.6 N·m (55 ± 5 lb in)

3E7578 Alternator (24 V 50 A) 3T1888 Alternator (24 V 50 A)

NOTE: Load battery with a carbon pile (4C4911 Battery Load Tester) to get maximum alternator output.

Polarity ... Negative Ground

Rotation ... Either Direction

Turn on speed at 25°C (77°F) (maximum) ... 2000rpm

Output voltage at 25°C (77°F) ... 28 ± 1 V

Rated output (cold) at 5000 rpm (minimum) ... 47 A

Rated output (cold) at 1500 rpm (minimum) ... 18 A

(1) Pulley nut. Tighten nut to a torque of ... 102 ± 7 N·m (75 ± 5 lb ft)

(2) Negative (-) terminal. Tighten nut to a torque of ... 6.2 ± 0.6 N·m (54 ± 5 lb in)

(3) Output (+) terminal. Tighten nut to a torque of ... 13.5 ± 1.3 N·m (120 ± 12 lb in)

9G9538 Alternator (24 V 50 A) 100-5046 Alternator (24 V 50 A)

NOTE: Load battery with a carbon pile (4C4911 Battery Load Tester) to get maximum alternator output.

Polarity ... Negative Ground

Rotation ... Either Direction

Turn on speed at 25°C (77°F) (maximum) ... 2000 rpm

Output voltage at 25°C (77°F) ... 27.5 ± 1.0 V

Rated output (cold) at 5000 rpm (minimum) ... 45 A

Rated output (cold) at 1500 rpm (minimum) ... 14.5 A

(1) Pulley nut. Tighten nut to a torque of ... 102 ± 7 N·m (75 ± 5 lb ft)

(2) Regulator.

Voltage setting ... No Adjustment

Permissible voltage range ... 26.5 to 28.5 V

(3) Output (+) terminal. Tighten nut to a torque of ... 13.5 ± 1.3 N·m (120 ± 12 lb in)

(4) Negative (-) terminal. Tighten nut to a torque of ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

9W3043 Alternator (24 V 52 A)

NOTE: Load battery with a carbon pile. (4C4911 Battery Load Tester) to get maximum alternator output.

Polarity ... Negative Ground

Rotation ... Clockwise (as viewed from pulley)

Turn on speed at 25°C (77°F) (maximum) ... 2000 rpm

Output voltage at 25°C (77°F) ... 28.5 ± 1.0 V

Rated output (cold) at 5000 rpm (minimum) ... 47 A

Rated output (cold) at 1500 rpm (minimum) ... 13.5 A

(1) Pulley nut. Tighten nut to a torque of ... 50 ± 5 N·m (37 ± 4 lb ft)

(2) Output (+) terminal. Tighten nut to a torque of ... 7.75 ± 0.25 N·m (69 ± 2 lb in)

(3) Regulator.

Voltage setting ... No Adjustment

Permissible voltage range ... 27.5 to 29.5 V

(4) Field excitation (+) terminal. Tighten nut to a torque of ... 1.7 ± 0.25 N·m (15 ± 2 lb in)

(5) Negative (-) terminal. Tighten nut to a torque of ... 3.6 ± 0.8 N·m (32 ± 7 lb in)

(6) AC tap from strator terminal. Tighten nut to a torque of ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

6T7223 Alternator (24 V 50 A) 100-5045 Alternator (24 V 50 A)

NOTE: Load battery with a carbon pile (4C4911 Battery Load Tester) to get maximum alternator output.

Polarity ... Negative Ground

Rotation ... Either Direction

Turn on speed at 25°C (77°F) (maximum) ... 2000 rpm

Output voltage at 25°C (77°F) ... 28 ± 1 V

Rated output (cold) at 5000 rpm (minimum) ... 44.6 A

Rated output (cold) at 1500 rpm (minimum) ... 16.5 A

(1) Pulley nut. Tighten nut to a torque of ... 102 ± 7 N·m (75 ± 5 lb ft)

(2) Output (+) terminal. Tighten nut to a torque of ... 13.5 ± 1.3 N·m (120 ± 12 lb in)

(3) Negative (-) terminal. Tighten nut to a torque of ... 4.4 ± 1.0 N·m (39 ± 9 lb in)

(4) Regulator.

Voltage setting ... No Adjustment

Permissible voltage range ... 27 to 29 V

Caterpillar Information System:

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