Procedure to Prevent Engine Motoring [PW11]

TASK 71-00-00-860-833-A
Procedure to Prevent Engine Motoring

1. Reason for the Job
Make sure that the engine will not be motored during other maintenance action.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	WARNING NOTICE(S)

3. Job Set-up
Subtask 71-00-00-941-168-A ** ON A/C NOT FOR ALL

A. Not Applicable

4. Procedure
Subtask 71-00-00-941-169-B ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(b) Make sure that the ENG/MASTER 1(2) control switch is in the OFF position not less than five minutes before you do this procedure.
(c) Put a WARNING NOTICE(S) in position to tell persons not to operate the ENG/MODE selector switch and the ENG/MASTER 1(2) control switch.
(2) On overhead panel 22VU, make sure that the ON legend of the MAN START pushbutton switch is off.
(3) Put a WARNING NOTICE(S) in position to tell persons not to operate the MAN START pushbutton switch.
(4) On overhead panel 30VU, make sure that the ON legend of the APU BLEED pushbutton switch is off.
(5) Put a WARNING NOTICE(S) in position to tell persons not to operate the APU BLEED pushbutton switch.
(6) At the High Pressure (HP) ground connector, put a WARNING NOTICE(S) in position to tell persons not to pressurize the pneumatic system.

[Rev.10 from 2021] 2026.04.01 02:31:31 UTC