Perkins — Welding on Engines with Electronic Controls
Repair & overhaul · Engine electronics
From a Perkins operator's manual covering: 1106C-70TA, 1106D-70TA, SEBU8731. Check it applies to your exact model before use.
Applies to: Perkins 1106C-70TA, Perkins 1106D-70TA
Before you start
- Do not ground the welder to electrical components such as the ECM or sensors
- Improper grounding can cause damage to the drive train bearings, hydraulic components, electrical components
Procedure
- Stop the engine; turn switched power to OFF.
- Ensure the fuel supply to the engine is turned off.
- Disconnect the negative battery cable; open battery disconnect switch if provided.
- Disconnect all electronic components from the wiring harnesses (ECM, sensors, valves, relays, aftertreatment ID module).
- Connect welding ground cable directly to the part to be welded, as close as possible to the weld.
- Protect the wiring harness from welding debris and spatter.
- Use standard welding practices to weld the materials.
Full service-parts list: Perkins 1106C-70TA →, Perkins 1106D-70TA →
Source: Perkins operator'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.