C-9 Industrial Engine Caterpillar

Electric Starting Motor

Usage:

C-9 CLJ

6V-0890

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Illustration 1	g00362864

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Illustration 2	g00367673
Typical example

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 ... 6950 ± 1650 rpm

Current draw ... 115 ± 25 amp

Voltage ... 23 V

(1) Nut

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

(2) Nut

Three wires are the maximum that may fit between the nuts.

Tighten the nut on the battery terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(3) Ground Terminal

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

(4) Nut

The terminal that is on the switch terminal must be insulated with heat shrink tubing.

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

(5) Nut

Tighten the nut on the motor terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(6) Nut

Tighten the nut on the motor frame terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

Solenoid

Current draw at 20 V and 25 °C (77 °F)

Pull-in windings ... 49.3 ± 3.3 Amp

Hold-in windings ... 6.8 Amp maximum

6V-5540

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Illustration 3	g00282750
Typical example

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 ... 5500 rpm minimum

Current draw ... 140 amp maximum

Voltage ... 24 V

(1) Nut

Three wires are the maximum that may fit between the nuts.

Tighten the nut on the battery terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(2) Nut

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

(3) Nut

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

(4) Nut

The terminal that is on the switch terminal must be insulated with heat shrink tubing.

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

(5) Nut

Tighten the nut on the motor terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(6) Nut

Tighten the nut on the motor frame terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

Solenoid

Current draw at 24 V and 25 °C (77 °F)

Pull-in windings ... 51 Amp

Hold-in windings ... 7 Amp maximum

6V-5582

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Illustration 4	g00282453

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Illustration 5	g00282454
Typical example

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)

Minimum speed with no load ... 3300 rpm

Maximum current with no load ... 80 amp

Voltage ... 24 V

(1) Nut

Three wires are the maximum that may fit between the nuts.

Tighten the nut on the battery terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(2) Nut

Tighten the nut to the following torque. ... 1.5 ± 0.5 N·m (13 ± 4 lb in)

(3) Nut

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

(4) Nut

The terminal that is on the switch terminal must be insulated with heat shrink tubing.

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

(5) Nut

Tighten the nut on the motor terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(6) Nut

Tighten the nut on the motor frame terminal to the following torque. ... 17.5 ± 2.5 N·m (13 ± 2 lb ft)

Solenoid

Current draw at 24 V and 25 °C (77 °F)

Pull-in windings ... 103 Amp

Hold-in windings ... 19 Amp maximum

6V-4213

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Illustration 6	g00286672

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Illustration 7	g00286673
Typical example

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 ... 6900 ± 1800 rpm

Current draw ... 127.5 ± 27.5 amp

Voltage ... 11 V

(1) Nut

Three wires are the maximum that may fit between the nuts.

Tighten the nut on the battery terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(2) Nut

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

(3) Nut

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

(4) Nut

The terminal that is on the switch terminal must be insulated with heat shrink tubing.

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

(5) Nut

Tighten the nut on the motor terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(6) Nut

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

Solenoid

Current draw at 20 V and 25 °C (77 °F)

Pull-in windings ... 92.5 ± 7.5 amp

Hold-in windings ... 23 amp

6V-5795, 104-7044

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Illustration 8	g00286672

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Illustration 9	g00286673
Typical example

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 ... 7643 ± 1683 rpm

Current draw ... 67.5 ± 7.5 amp

Voltage ... 23 V

(1) Nut

Three wires are the maximum that may fit between the nuts.

Tighten the nut on the battery terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(2) Nut

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

(3) Nut

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

(4) Nut

The terminal that is on the switch terminal must be insulated with heat shrink tubing.

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

(5) Nut

Tighten the nut on the motor terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(6) Nut

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

Solenoid

Current draw at 20 V and 25 °C (77 °F)

Pull-in windings ... 56.5 ± 4.5 amp

Hold-in windings ... 14.6 amp

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