11-2 Welding Precautions
D20x22 Series II Navigator HDD
Step 4:
Unplug Tethered Transport Control
(6)
.
Step 5:
Tier 4 Interim/Stage IIIB engine: unplug engine ECU
(7)
, located on left
side of engine.
Step 6:
Connect welding ground as close to work as possible.
6
7