C4.4 Industrial Engine Alternator Caterpillar

The 12 V and 24 V Type 1 Alternators

Illustration 1	g02149533
Typical example

(1) Terminal "B+"

Tighten the nut on the terminal to the following. ... 11.5 N·m (102 lb in)

(2) Terminal "D+"

Tighten the nut on the terminal to the following torque. ... 4 N·m (35 lb in)

(3) Terminal "B-" (if equipped)

Tighten the nut on the terminal to the following torque. ... 6 N·m (53 lb in)

(4) Terminal "W"

Tighten the nut on the terminal to the following torque. ... 4 N·m (35 lb in)

Tighten the nut for the alternator pulley to the following torque. ... 95 N·m (70 lb ft)

Output

The outputs of the alternators ... 55 Amp, 80 Amp, 100 Amp, 120 Amp, or 150 Amp

Alternator Bracket

Illustration 2	g02151927
Typical example

(1) Tighten the setscrews that secure the alternator to the bracket to the following torque. ... 50 N·m (37 lb ft)

(2) Tighten the setscrews that secure the bracket to the cylinder block to the following torque. ... 44 N·m (32 lb ft)