Facts About Generators
GeneratorsDirectoryCompareRepairEnginesControllersPartsManufacturersGuides
Search models or part #
Home›Repair guides›Cummins/Onan›Connecting Welders in Parallel

Cummins/Onan 627.20199 — Connecting Welders in Parallel

Installation

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

Applies to: Craftsman 627.20199

Before you start

  • Do not attempt to parallel the welder's AC output.

Procedure

  1. Start both engines before connecting cables.
  2. Adjust engines to same no-load speed using tachometer or voltmeter.
  3. Connect paralleling cables to identical current jacks.
  4. Select identical current jack receptacles totaling ampere requirement.
  5. Connect cable between identical receptacles with tight connection.
  6. Connect another equal cable to NEG jack of only one welder.
  7. Complete connection to second welder NEG jack only after both running.

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 →