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Cummins/Onan 627.20199 — Break-In Procedure

Maintenance · engine

For the Cummins/Onan 627.20199, from the Cummins/Onan owner's manual.

Applies to: Craftsman 627.20199

Before you start

  • Before fifty operating hours, cylinder head bolts must be re-torqued to avoid blown gaskets.

Procedure

  1. One-half hour at 1/2 load.
  2. One-half hour at 3/4 load.
  3. Full load.

Specs & values

  • Use SE/CC oil

Full service-parts list: Craftsman 627.20199 →

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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