3406C Engines for Caterpillar Built Machines Electric Starting Motor Caterpillar


Electric Starting Motor
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Illustration 1g02562997

Table 1
Specification for the 237-1962 Electric Starting Motor Gp 
Item  Qty  Part  Specification Description 
Clearance between the pinion and the housing is 9.1 mm (0.36 inch)
6V-8188 Nut  Ground terminal. Torque to 30.5 ± 3.5 N·m (270.0 ± 31.0 lb in)
4B-2049 Nut  Torque to 2.25 ± 0.25 N·m (19.91 ± 2.21 lb in)
6V-8188 Nut  Motor terminal. Torque to 30.5 ± 3.5 N·m (270.0 ± 31.0 lb in)
6V-8188 Nut  Battery terminal. A maximum of three cable terminals or wire terminals may be used with the battery terminal nut. A maximum of two of the cable terminals may be equal to or greater than 0 AWG. 
Torque to 30.5 ± 3.5 N·m (270.0 ± 31.0 lb in).
Motor frame terminal. Torque to 30.5 ± 3.5 N·m (270.0 ± 31.0 lb in)
Pull-in current at 20 V and 25° C (77° F) is 49.3 ± 3.3 Amp. 
Hold-in current at 20 V and 25° C (77° F) is 6.8 Amp max.
When the electric starting motor is viewed from the pinion end, the motor rotates in the clockwise direction.  
No load conditions at 25 °C (77 °F)
Speed is 6950 ± 1650 rpm.
Current draw is 115 ± 25 Amp.
Voltage is 23 VDC.

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