Installation of the Rotator Kit for Borescope Inspection [IAE]

TASK 72-00-00-480-010-A
Installation of the Rotator Kit for Borescope Inspection

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	WARNING NOTICE(S)
IAE2F10066	2	KIT, ROTATOR - BORESCOPE INSPECTION

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
FOR [1000EM1] (ENGINE-1)
437AL, 438AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR

C. Referenced Information

REFERENCE	DESIGNATION
TASK 71-13-00-010-010-A	Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
Crank Cover
Rotator Kit for Borescope Inspection

3. Job Set-up
Subtask 72-00-00-941-086-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).

Subtask 72-00-00-010-104-A ** ON A/C NOT FOR ALL

B. Open the fan cowl doors: (Ref. AMM TASK 71-13-00-010-010)
(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR

4. Procedure
Subtask 72-00-00-010-105-A ** ON A/C NOT FOR ALL

A. Remove the crank cover

Crank Cover ** ON A/C NOT FOR ALL

(1) Remove the two nuts (4) and the two washers (3) which attach the crank cover (2) to the external gearbox module (6).
(2) Remove the crank cover (2) from the external gearbox module (6).
(3) Remove and discard the packing (1).

Subtask 72-00-00-480-052-A ** ON A/C NOT FOR ALL

B. Install the rotator kit IAE2F10066 KIT, ROTATOR - BORESCOPE INSPECTION

Rotator Kit for Borescope Inspection ** ON A/C NOT FOR ALL

(1) Install the adaptor (2) on the external gearbox module (1)
(a) Align the holes on the adaptor flange with the studs on the front of the external gearbox module (1).
(b) Install the adaptor (2) on the external gearbox module (1). Make sure that the adaptor engages with the hexagonal end of the starter idler gear (3).
(c) Safety the adaptor (2) with the two washers (4) and the nuts (5).
(d) Tighten the nuts (5).
(2) Attach the air motor (17) to the adaptor (2)
(a) Install the protractor (6) over the drive end of the air motor (17).
(b) Align the squared adaptor (7) and the air motor flange with the adaptor (2).
(c) Safety the air motor (17) with the two washers (8) and the bolts (9).
(d) Tighten the bolts (9).
(3) Attach the two air lines (16) to the air motor (17).
(4) Attach the air supply hose (11) to a shop air source of 90 psi (6.2 bar).

Subtask 72-00-00-290-071-A ** ON A/C NOT FOR ALL

C. Operate the rotator kit IAE2F10066 KIT, ROTATOR - BORESCOPE INSPECTION

Rotator Kit for Borescope Inspection ** ON A/C NOT FOR ALL

(1) Do the check of the oil level of the rotator kit as given in the makers instructions.
(2) Set the direction of rotation with the foot control (13)
(a) Push down the toe of the left-hand pedal (15) to turn the HP rotor in clockwise direction (viewed from the rear).
(b) Push down the heel of the left-hand pedal (15) to turn the HP rotor in counterclockwise direction.
(c) Put the left-hand pedal (15) in the neutral position to stop the rotation.
(3) Set the rotation speed with the foot control (13)
(a) Push down the toe of the right-hand pedal (14) to get the necessary rotation speed.
(b) Turn the adjusting wheel (10), under the right-hand pedal (14) to control the down travel of the pedal.
(4) Turn the HP rotor for the borescope inspection
(a) Push down the toe of the right-hand pedal (14) to turn the HP rotor.
(b) Push down the heel of the right-hand pedal (14) to stop the rotation.

[Rev.10 from 2021] 2026.04.01 02:43:56 UTC