SHOE-TRACK 1385774 - Caterpillar

Illustration 1 g02560056
Table 1
Specification for 7G-7889 Charging Alternator Gp
Item Qty Part Specification Description
- - - Load the battery with a carbon pile 4C-4911 Battery Load Tester in order to get the maximum alternator output
1 1 - Tighten bolt before tightening the mounting bolt for the alternator.
Torque to 88.4 6.8 N m (65.0 5.0 lb ft)
2 1 187-2034 Flange Nut Torque to 102 7 N m (75 5 lb ft).
3 - 6V-8187 Nut (B+) terminal. Torque to 6.2 0.6 N m (55.0 5.0 lb in).
4 - - The peak voltage for (R) terminal must not be less than the output voltage for (B+) terminal.
5 - 030-9612 Screw (B-) terminal. Torque to 2.25 0.25 N m (20.00 2.00 lb in).
6 1 3E-5451 Voltage Regulator As Voltage setting is not adjustable.
Permissible voltage range is 13.7 to 14.3 V.
- - - Voltage is 12 V.
- - - Amperage is 60 amp.
- - - Polarity is negative ground.
- - - Rotation is either direction.
- - - Maximum turn on speed is 2000 rpm
- - Alternator performance at 25 °C (77 °F)
- - - Minimum full load current at 5000 rpm is 60 amp.
- - - Minimum full load current at 1500 rpm is 22 amp.
- - - Output voltage is 14.0 0.3 V.