DOC AIRBUS | MMEL OPS PROCACT Inward Pressure Relief Valve
| 28-28-05A | ACT Inward Pressure Relief Valve |
|---|
Applicable to: -
- During cockpit preparation
- The refuel panel door must be open to check the operation of the manual transfer on the ground using the FUEL SD Page. Establish ground communications and ensure that the refuel panel door is open during following check and closed after the check is done.
- The manual transfer may be performed only if the center tank is not full (center tank high level sensor dry). If the center tank is full, the high level sensor may be overridden by keeping pressed in the HI LVL pb test of the refuel panel. When the high level sensor is overridden, take care to not overfill the center tank. Otherwise, fuel may spill out from the surge tanks.
- ACT pb-swFWD
On the FUEL SD Page, check that the fuel is transferred from one ACT (from
the ACT 2 if the ACT 2 is installed and not
empty) to the center tank.
- ACT pb-swAUTO
- At top of climb
Check that the fuel is transferred
from the ACTs to the center tank.
If the automatic transfer has not started:
After 30 min of flight:
- ACT pb-swFWD
If necessary perform
a descent to 270 FL.
When ACT (both ACTs if two ACTs installed) is empty:
- ACT pb-swAUTO