C7 Marine Engine Caterpillar


Electric Starting Motor

Usage:

C7 C7B



Illustration 1g01228467



Illustration 2g01228487

When the electric starting motor is viewed from the pinion end, the motor rotates in the following direction. ... Clockwise

No load conditions at 25 °C (77 °F)

Speed ... 7018 ± 1517 rpm
Current ... 147 ± 27.2 amp
Voltage ... 11 V

(1) Tighten the nut on the battery terminal to the following torque. ... 30.5 ± 3.5 N·m (23 ± 3 lb ft)

(2) Tighten the ground terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(3) Tighten the nut to the following torque. ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

(4) Tighten the nut on the switch terminal to the following torque. ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

(5) Tighten the nut on the motor terminal to the following torque. ... 14.7 ± 3.4 N·m (11 ± 3 lb ft)

(6) Tighten the nut on the motor frame terminal to the following torque. ... 8 ± 3 N·m (71 ± 27 lb in)

Solenoid

Current draw at 10 V and 25 °C (77 °F)

Pull-in windings ... 74 amp
Hold-in windings ... 19 amp

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