Home›Repair guides›Cummins/Onan›Install timing gears

Cummins/Onan 627.20199 — Install timing gears

Repair & overhaul

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

Applies to: Craftsman 627.20199

Before you start

  • Install new crankshaft and new camshaft when either needs replacing.

Procedure

  1. Be sure mounting key is in place before pressing gear.
  2. Align gear keyway with key on shaft and press into place.
  3. Mesh gear teeth so the stamped 'O' marks coincide.
  4. Reinstall crankshaft retaining washer and snap ring.

Tools required

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

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 →