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LIGHTNING SAFETY AWARENESS LIGHTNING SAFETY ................................................................................................................1.25, 1
SERVICING SAFETY PRECAUTIONS continued
Care must be taken in attaching the welding machine grounding clamp so current does not pass through bearings, especially the swing bearing. Disconnect the negative (-) battery cable from all the batteries. This machine is equipped with sensitive electronic control equipment thus, prior to welding: Disconnect the engine ECM (Engine Control Module) by unplugging the four pin engine power connector and the two multipin connectors from the left side of the engine.
DISCONNECT THE MULTI-PIN PLUG FROM THE XS2 MODULE
DISCONNECT 4 PIN ENGINE POWER CONNECTOR DISCONNECT THE TWO MULTI-PIN PLUGS FROM THE ENGINE ECM

822C-34
ENGINE ECM DISCONNECT - LEFT SIDE OF ENGINE
Disconnect the multi-pin connector on the XA2 Module mounted in the hydraulic tank compartment.
DISCONNECT THE TWO MULTI PIN CONNECTORS IN THE HARNESS
845D-001
CAB FUSE AND RELAY PANEL
Disconnect the IQAN XS2 Module multi-pin connector and the two multi-pin connectors in the wiring harness in the cab fuse and relay electrical cabinet.

822C-180 DISCONNECT THE MULTI PIN CONNECTOR FROM THE XA2 MODULE DISCONNECT THE MULTI PIN CONNECTOR FROM THE XA2 MODULE

822C-179
Disconnect the multi-pin connector on the XA2 Module mounted in the pump compartment.