3408C & 3412C INDUSTRIAL ENGINES Caterpillar


Electric Starting Motor

Usage:

6V0885 (24V)

Rotation as viewed from drive end ... Clockwise

No load conditions at 25°C (77°F):

Speed ... 6950 ± 1650 rpm

Current draw ... 115 ± 25A

Voltage ... 23V

Clearance between pinion and housing (pinion clearance) ... 9.1 mm (.36 in)

(1) Torque for large terminal nuts ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(2) Torque for small terminal nuts ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

(3) Torque for screws holding nose housing to lever housing ... 20.3 ± 2.7 N·m (15 ± 2 lb ft)

Solenoid

Current consumption (draw) at 25°C (77°F):

Pull in windings at 20V ... 49.3 ± 3.3A

Hold in windings at 20V ... 6.8A max

7T0795 (24V)

Rotation as viewed from drive end ... Clockwise

No load conditions at 25°C (77°F):

Speed ... 5500 rpm min

Current draw ... 140A max

Voltage ... 24V

(1) Torque for large terminal nuts ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(2) Torque for small terminal nuts ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

Solenoid

Current consumption (draw) at 25°C (77°F):

Pull in windings at 24V ... 51A

Hold in windings at 24V ... 7A

8C3649 (24V)

Rotation as viewed from drive end ... Clockwise

No load conditions at 25°C (77°F):

Speed ... 7643 ± 1683 rpm

Current draw ... 67.5 ± 7.5A

Voltage ... 23V

Clearance between pinion and housing (pinion clearance) ... 9.1 mm (.36 in)

(1) Torque for large terminal nuts ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(2) Torque for small terminal nuts ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

(3) Torque for motor frame terminal ... 8 ± 3 N·m (70 ± 26 lb in)

Solenoid

Current consumption (draw) at 25°C (77°F):

Pull in windings at 20V ... 56.5 ± 4.5A

Hold in windings at 20V ... 14.6A

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