How to disassemble the starter and air compressor of a Cummins M11 series engine

 (1) Removal of the starter motor: Use a wrench to remove the three bolts and the starter motor, see Figure 2-57. 

(2) Removal of the air compressor: ① Remove the bolts, loosen the hose clamps, and disconnect the air supply pipe, see Figure 2-58.

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Figure 2-53 Disconnecting the Atmospheric Pressure Sensor and Connecting Wires 1—Atmospheric Pressure Sensor

Figure 2-54 Removing the actuator harness and sensor harness from the ECM 1, 2 - Position on the ECM bracket

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 Figure 2-55 Remove ECM mounting bolts,                             Figure 2-56 Remove ECM cooling plate         washers, and ECM.                                                                    and mounting bracket.

   Figure 2-57 shows the removal of three bolts and the starter motor. 

 

 Figure 2-57 Remove the three bolts and the starter motor.

Figure 2-58 Removing the air supply pipe from the air compressor: 1 - Bolt; 2 - Clamp

 

② Remove the coolant inlet/outlet pipes from the air compressor, remove the mounting bolts, and remove the air compressor, as shown in Figure 2-59. 

 ③ Remove the coolant inlet pipe and connector, and remove the coolant outlet pipe positioning screw and outlet pipe, as shown in Figure 2-60.

 

 Figure 2-60 Removal of inlet and outlet pipes, connectors, and positioning screws 1—Inlet pipe 2—Connector 3—Positioning screw

 

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