C1.5 and C2.2 Engines for Caterpillar Built Machines Caterpillar

Starting Motor

Illustration 1	g00379835
Starting motor and starting motor solenoid

No load conditions at 25°C (77°F)

Rpm with no load ... 4000 rpm to 6000 rpm

Maximum current ... 540 A

Current draw with no load ... 130 A

Voltage ... 11.5 V

Rated voltage ... 12 V

Power rating ... 2 kW

Minimum average cranking rpm ... 130

Starting motor solenoid

Pull-in current ... 54.5 A

Hold-in current ... 10.5 A

(1) Tighten the battery terminal nut to the following torque. ... 15 N·m (11 lb ft)

(2) Tighten the two mounting bolts to the following torque. ... 50 N·m (37 lb ft)

(3) Tighten the nut for the switch terminal to the following torque. ... 1.0 N to 1.3 N·m (9 lb in to 12 lb in)

Maximum resistance of the starter cable at 20°C (68°F) and at 12 V ... 0.04 ohms