An access platform of 13 feet is required to position below the re-fueling panel 522JB(7QU) Or 622JB(8QU)
For CTR TANK we need to open RH LDG GEAR.
Open the panel by opening its 8 screws.
Access Panel P/N-D5744379300500A
Bolt- NAS1790C4R4P, QTY 08
Refuel Valve P/N 1158000-45
AMM REF 28-25-00-040-005-A
Minimum Two persons are required to do the refueling.
One person is to be positioned at 192MB
Another at 622JB panel to push the plunger to open the refuel valve.
and 3rd one inside the cockpit as per company requirements.
Re-fueling starts to the affected tanks as long as one presses/overrides the plunger as shown above in the picture.
Refer AMM for details.
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