DOC AIRBUS | AMM A320FPrepare the Engine for High Wind Levels [PW11]
TASK 71-00-00-860-816-A
Prepare the Engine for High Wind Levels
Use this procedure to prepare the engine for high winds and to avoid windmill of the fan rotor.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Referenced Information
3. Job Set-up
Subtask 71-00-00-869-342-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:31:13 UTC
Prepare the Engine for High Wind Levels
WARNING:
BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AFTER SHUTDOWN. THE ENGINE CAN STAY HOT FOR A LONG TIME. IF YOU DO NOT OBEY THIS INSTRUCTION, INJURY CAN OCCUR.
1. Reason for the JobUse this procedure to prepare the engine for high winds and to avoid windmill of the fan rotor.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| 636-1100-4GSE | 1 | INLET COWL LIP COVER |
| REFERENCE | DESIGNATION |
|---|---|
Prepare the Engine for High Wind LevelsSubtask 71-00-00-869-342-A ** ON A/C NOT FOR ALL
A. Not Applicable
4. ProcedureCAUTION:
WIPE CLEAN ALL PARTS AND TOOLS AS NECESSARY TO REMOVE UNWANTED DEBRIS AND PREVENT DAMAGE TO THE ENGINE.
Subtask 71-00-00-860-183-A ** ON A/C NOT FOR ALL A. General
(1) High winds on the ground can cause damage to the engine bearings and fan drive gearbox when the engine is not in operation.
Subtask 71-00-00-710-244-A ** ON A/C NOT FOR ALL (1) High winds on the ground can cause damage to the engine bearings and fan drive gearbox when the engine is not in operation.
B. Prepare the Engine for High Wind Levels
(1) If the following conditions are expected it will be necessary to protect the engine rotors from excessive rotational speed resulting in possible bearing and fan drive gearbox damage by installing 636-1100-4GSE INLET COWL LIP COVER.
(a) If the engine is not expected to be operated for 10 days or more.
(b) If the engine is not in daily use and ground wind speeds are expected to exceed 34.6 MPH (55 KPH) for sustained periods of time (one minute or more).
(1) If the following conditions are expected it will be necessary to protect the engine rotors from excessive rotational speed resulting in possible bearing and fan drive gearbox damage by installing 636-1100-4GSE INLET COWL LIP COVER.
(a) If the engine is not expected to be operated for 10 days or more.
(b) If the engine is not in daily use and ground wind speeds are expected to exceed 34.6 MPH (55 KPH) for sustained periods of time (one minute or more).
NOTE: If using a engine intake cowl cover that is equivalent to 636-1100-4GSE INLET COWL LIP COVER, make sure that the cover is solid to prevent fan rotation.