Home›Repair guides›Cummins/Onan›Retorque cylinder head bolts

Cummins/Onan 627.20199 — Retorque cylinder head bolts

Maintenance

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

Applies to: Craftsman 627.20199

Procedure

  1. Tighten bolts in the order designated in Figure 27.
  2. Tighten to specified assembly torque at room temperature.
  3. After engine reaches normal hot temperature and cools, retorque.
  4. Do this before engine has run fifty operating hours.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • Refer to table of ASSEMBLY TORQUES

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.

More Cummins/Onan repair guides →