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Home›Repair guides›Cummins/Onan›Cold Weather Starting Using Starting Fluid

Cummins/Onan — Cold Weather Starting Using Starting Fluid

Operation · Engine

From a Cummins/Onan owner's manual covering: M11, M1i Series Engines, ps200da. Check it applies to your exact model before use.

Applies to: Cummins/Onan M11 engine

Before you start

  • Do not use volatile cold starting aids in underground mine or tunnel operations due to the potential of an explosion.
  • Starting fluid is highly flammable and explosive. Keep flames, sparks, and arcing switches away from starting fluid.
  • Do NOT use starting fluid without metering equipment.

Procedure

  1. Set the throttle at idle.
  2. Disengage any driven accessories and put the transmission in neutral.
  3. Activate the ignition switch to open the fuel pump shutoff valve.
  4. While cranking the engine, inject a metered amount of starting fluid.
  5. Do not increase engine speed above low idle until coolant temperature gauge needle starts to move or 10 minutes have elapsed.

Source: Cummins/Onan owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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