Installation of the Aft Engine Mount [IAE]

TASK 71-22-11-400-010-A
Installation of the Aft Engine Mount

CAUTION: THIS PART IS A REMOVABLE STRUCTURAL COMPONENT (RSC), WHICH CAN BE MOVED BETWEEN AIRCRAFT. THUS IT CAN HAVE DIFFERENT OPERATION CONDITIONS AND A DIFFERENT LIFE RECORD (FLIGHT HOURS/FLIGHT CYCLES/CALENDAR) FROM THE AIRCRAFT IT IS INSTALLED ON OR REMOVED FROM. THE OPERATOR IS RESPONSIBLE FOR THE SPECIFIC TRACKING AND CONTINUED AIRWORTHINESS OF REMOVABLE STRUCTURAL COMPONENTS. INCORRECT MAINTENANCE OF THESE COMPONENTS CAN CAUSE A RISK FOR THE FLIGHT SAFETY.

FIN: 1550KM ** ON A/C NOT FOR ALL

1. Reason for the Job
This TASK supplies the data to install the Aft engine mount

NOTE: For interchangeability see Goodrich AOL-V2500-09-002.

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	Torque wrench: range to between 25 and 20 lbf.in (0.28 and 0.23 m.daN )
IAE1N20015	2	SLING, AFT MOUNT

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.V10-078)	anti-seize compound

C. Referenced Information

REFERENCE	DESIGNATION
TASK 70-23-11-911-013-A	General Torque Tightening Techniques
TASK 71-00-20-400-040-A	Installation of the Power Plant
TASK 71-00-20-400-040-A-01	Installation of the Power Plant with the Engine Positioner TWW 75E (MIAG)
Aft Engine Mount

3. Job Set-up
Subtask 71-22-11-410-069-A ** ON A/C NOT FOR ALL

A. Attach the Aft engine mount sling

Aft Engine Mount ** ON A/C NOT FOR ALL

(1) Attach the IAE1N20015 SLING, AFT MOUNT (10) to a hoist and position over the aft engine mount (1).
(2) Attach the IAE1N20015 SLING, AFT MOUNT (10) to the aft engine mount (1) with two toll bolts (12) and washers (13). Tighten bolts.

NOTE: Use the two holes diagonally opposite of each other

(3) Raise the hoist to straigthen the sling.

4. Procedure
Subtask 71-22-11-410-070-A ** ON A/C NOT FOR ALL

A. Install the Aft engine mount

Aft Engine Mount ** ON A/C NOT FOR ALL

CAUTION: THE AFT ENGINE MOUNT WEIGHS 81.6 LBS (37 KGS).

(1) Position the aft engine mount (1) over the engine mount flange.
(2) Apply anti-seize compound (Material No.V10-078) to the mating faces of nuts and bolts and to the inner and outer pins (3) and (4).
(3) Insert the outer pin (4) and the inner pin (3) through the holes in the engine mount flange and the link assemblies (2). Align the slot ends.
(4) Attach the retainers (5) to the engine mount flange with bolts (6), washers (7) and (8) and nuts (9).
(5) TORQUE the nuts (9) to between 25 and 20 lbf.in (0.28 and 0.23 m.daN )

(Ref. AMM TASK 70-23-11-911-013).

Subtask 71-22-11-010-070-A ** ON A/C NOT FOR ALL

B. Remove the Aft engine mount sling

Aft Engine Mount ** ON A/C NOT FOR ALL

(1) Remove the tool bolts (12) and washers (13) from the aft engine mount (1).
(2) Remove the IAE1N20015 SLING, AFT MOUNT (10).

5. Close-up
Subtask 71-22-11-420-062-A ** ON A/C NOT FOR ALL

A. Install the power plant
(1) Installation of the power plant (Ref. AMM TASK 71-00-20-400-040).

Subtask 71-22-11-410-071-A ** ON A/C NOT FOR ALL

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 02:30:25 UTC