HOUSING-FLYWHEEL 2575861 - Caterpillar

Illustration 1 g00379653
Side view of the alternator
Illustration 2 g00379659
End view of the alternatorThe rotation of the alternator is clockwise when the alternator is viewed from the pulley.Note: Test the battery with a carbon pile 4C-4911 Battery Load Tester in order to measure the maximum output from the alternator. The regulator of the alternator is sealed. The regulator is a nonserviceable part.Polarity ... Negative ground to the caseRotation ... Either directionOutput voltage ... 14.0 0.5 voltsRated voltage ... 12 voltsRated current output ... 50 or 90 amperesThe capacity of the alternator depends on the options on the machine. (1) Tighten the pulley nut to the following torque. ... 60 N m (44 lb ft) (2) Tighten terminal nut "B" to the following torque. ... 4.4 N m (39 lb in) (3) Pins "D" for 3 wire connectorTighten the bolt (not shown) from the alternator to the front housing to the following torque. ... 24 N m (18 lb ft)Tighten the bolt (not shown) from the adjustment lever to the alternator to the following torque. ... 12 N m (9 lb ft)Alignment of the alternator pulley to the crankshaft pulley ... 2.40 mm (0.095 inch)Rated capacity of alternator circuit breaker for alternator with a 55 ampere capacity ... 60 amperesRated capacity of alternator circuit breaker for alternator with a 90 ampere capacity ... 100 amperes