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EV.5.3.1 Accumulator Containers must meet F.10
EV.5.3.2 The Accumulator Container(s) must be removable from the vehicle while still remaining rules compliant.
EV.5.3.3 The Accumulator Container(s) must be completely closed at all times (when mounted to the vehicle and when removed from the vehicle) without the need to install extra protective covers.
EV.5.3.4 Holes, both internal and external, are only allowed for the wiring harness, ventilation, cooling or fasteners.
a. External holes must be sealed, see EV.7.1.1 and EV.7.1.2
EV.5.3.5 Openings for ventilation must be:
a. The minimum size required
b. Documented in the SES for structural review F.10.2.1
EV.5.3.6 Any Accumulators that may vent an explosive gas must have a ventilation system or pressure relief valve to prevent the vented gas from reaching an explosive concentration.
EV.5.3.7 Completely sealed Accumulator Containers must have a pressure relief valve to prevent high pressure in the container.
EV.5.3.8 Each Accumulator Container must be labeled with the:
a. Symbol specified in ISO 7010-W012 (triangle with black lightning bolt on yellow background) with triangle side length of 100 mm minimum
b. Text “Always Energized”