DOC AIRBUS | AMM A320FPOWER PLANT DRAINS - DESCRIPTION AND OPERATION
** ON A/C NOT FOR ALL
1. General
The powerplant drain system collects fluids that may leak from some of the engine accessories and drives. The fluids collected from the power plant are discharged overboard through the drain mast.
** ON A/C NOT FOR ALL The powerplant drain system collects fluids that may leak from some of the engine accessories and drives. The fluids collected from the power plant are discharged overboard through the drain mast.
Block Diagram of the Drain System2. System Operation
A. General
The drain system comprises two sub-systems:
The drain system comprises two sub-systems:
- fuel drains,
- oil, hydraulic and water drains.
B. Fuel Drains
The fuel drain lines come from engine accessories on the engine core, the engine fan case and gearbox. The engine core drains go through the bifurcation panel.
The fuel drain system is connected to these engine accessories:
Fuel that can leak from these accessories is removed by a steel tube connected to the accessory or gearbox mounting pad. The tubes are shaped to go around the engine and go in the side of the drain mast.
Each tube is connected by a union with a packing seal at the accessory or gearbox pad.
The fuel drain lines come from engine accessories on the engine core, the engine fan case and gearbox. The engine core drains go through the bifurcation panel.
The fuel drain system is connected to these engine accessories:
| - Booster bleed master actuator ) |
| - Booster bleed slave actuator ) Engine |
| - Variable Stator Vane Actuator ) Core |
| - Active Clearance Control Actuator ) |
| - Fuel diverter valve ) Engine fan case |
| - Air Cooled Oil Cooler actuator ) Engine fan case |
| - Fuel metering unit ) Gearbox |
| - LP/HP fuel pumps ) |
Fuel that can leak from these accessories is removed by a steel tube connected to the accessory or gearbox mounting pad. The tubes are shaped to go around the engine and go in the side of the drain mast.
Each tube is connected by a union with a packing seal at the accessory or gearbox pad.
C. Oil, Hydraulic and Water Drains
The oil, hydraulic and water drains system comes from engine accessories on the engine fan case and gearbox.
The drain system is connected to these engine accessories:
The only hydraulic fluid drain is from the hydraulic pump. The other drains are for engine oil or accessory lubricant. Each tube is connected by a union with a packing seal at the accessory or gearbox pad.
The oil, hydraulic and water drains system comes from engine accessories on the engine fan case and gearbox.
The drain system is connected to these engine accessories:
| - Integrated Drive Generator ) |
| - Air starter ) Gearbox |
| - Hydraulic Pump ) |
| - Oil tank scupper ) Oil tank |
The only hydraulic fluid drain is from the hydraulic pump. The other drains are for engine oil or accessory lubricant. Each tube is connected by a union with a packing seal at the accessory or gearbox pad.
D. Permitted drain system leakage
Permitted drain system leakage rates are given in 71-70-00 P.Block 201
(Power Plant Drains - Maintenance Pratices)
Permitted drain system leakage rates are given in 71-70-00 P.Block 201
(Power Plant Drains - Maintenance Pratices)