Gonna try to help you in that regard.
- GRD POWER ON:
- CONNECT BATERIES:
- SET EPU ON (and control always this switch is on in all the proccess):
- BLEED AIR VALVES ON:
- FUEL LOW PRESSURES ON (CrossFeed Valves On):
- SET UP STARTERS ON (One By one):
That’s all. Once all engines were running at idle, set EPU to off.