M11 Industrial Operation and Maintenance – Engine Will Not Crank or Cranks Slowly (Air Starter)

Symptom Tree  

Air pressure is low in the air tanks

Increase air pressure with an external air source. Refer to Procedure 012-021 (Air Tanks and Reservoirs) in Section 3.


Engine-driven units are engaged

Disengage engine-driven units.


Lubricating oil temperature switch, gauge, or sensor malfunctioning or not in the correct location

Check the oil temperature switch, gauge, or sensor for correct operation and location. Refer to a Cummins Authorized Repair Location.


Lubricating oil does not meet specifications for operating conditions

Change the oil and filters. Refer to Procedure 007-013 (Lubricating Oil Filters – Spin-on) in Section 4. Use the oil recommended in Section V.


Lubricating oil level is above specification

Check the oil level. Verify the dipstick calibration and oil pan capacity. Fill the system to the specified level. Refer to Procedure 007-043 (Lubricating Oil Level) in Section 3.

Contact a Cummins Authorized Repair Facility

Last Modified:  19-Nov-2004