Installation of the Hinge Beam Rod R1 [CFML]

TASK 78-32-44-400-803-A
Installation of the Hinge Beam Rod R1

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

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

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT)
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 1.06 and 0.82 m.daN (93.81 and 72.57 lbf.in )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.CPNCL02069)	LINT-FREE COTTON CLOTH
(Material No.CPNCL02589)	GENERAL CLEANING AGENT - MULTI PURPOSE

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL, 438AR, 451AL, 452AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL, 448AR, 461AL, 462AR

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
1	COTTER PIN	AIPC 78-30-16-11-010

E. Referenced Information

REFERENCE	DESIGNATION
TASK 71-13-00-010-803-A	Opening of the Fan Cowl Doors
TASK 71-13-00-410-803-A	Closing of the Fan Cowl Doors
TASK 78-30-00-040-807-A	Deactivation of the Thrust Reverser System for Nacelle Maintenance (ICU)
TASK 78-30-00-440-807-A	Reactivation of the Thrust Reverser System after Nacelle Maintenance (ICU)
TASK 78-32-11-000-803-A	Removal of the Thrust Reverser Cowl Doors
TASK 78-32-11-400-803-A	Installation of the Thrust Reverser Cowl Doors
TASK 78-36-00-010-806-A	Opening of the Thrust Reverser Cowl Doors
TASK 78-36-00-410-806-A	Closing of the Thrust Reverser Cowl Doors
TASK 78-36-45-000-801-A	Removal of the Thrust Reverser Hinge Access Panels
TASK 78-36-45-400-801-A	Installation of the Thrust Reverser Hinge Access Panels
Hinge Beam Rod R1

3. Job Set-up
Subtask 78-32-44-941-061-A

A. Safety Precautions
(1) On the center pedestal, on 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 was in the OFF position not less than five minutes before you do this procedure.
(c) Make sure that the WARNING NOTICE(S) are in position to tell persons not to operate:

The ENG/MODE selector switch
The ENG/MASTER 1(2) control switch.

(2) On the ENG section of maintenance panel 50VU:
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Make sure that the WARNING NOTICE(S) is in position to tell persons not to energize FADEC 1(2).

Subtask 78-32-44-010-069-A

B. Get Access
(1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR
(2) Make sure that the ACCESS PLATFORM 2M (6 FT) is in position.

Subtask 78-32-44-040-061-A

C. Deactivation of the Thrust Reverser System for Ground Maintenance

WARNING: YOU MUST DEACTIVATE THE THRUST REVERSER BEFORE YOU DO WORK ON OR AROUND IT. IF YOU DO NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE AN INJURY AND/OR DAMAGE.

(1) Make sure that you did the deactivation of the thrust reverser system for ground maintenance (Ref. AMM TASK 78-30-00-040-807).

Subtask 78-32-44-010-070-A

D. Get Access
(1) Make sure that the thrust reverser cowl-doors are open (Ref. AMM TASK 78-36-00-010-806):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
451AL 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
461AL 462AR
(2) Make sure that one or both half thrust reversers are removed (Ref. AMM TASK 78-32-11-000-803).
(3) Make sure that the hinge access panel is removed (Ref. AMM TASK 78-36-45-000-801).

NOTE: This step is applicable if one half thrust reverser is installed.

4. Procedure
Subtask 78-32-44-420-059-A

A. Installation of the Hinge Beam Rod R1
(1) Clean the parts to be installed and the contact surfaces with a LINT-FREE COTTON CLOTH (Material No.CPNCL02069) made moist with GENERAL CLEANING AGENT - MULTI PURPOSE (Material No.CPNCL02589) .
(2) Put the hinge beam rod R1 (8) in position into the thrust reverser lug from the opposite side, if one half thrust reverser is installed.
(3) Installation of the bonding strap (7) on the hinge rod R1 (8)

NOTE: This procedure is given for one position and it is same for the second position.

(a) Put the bonding strap (7) in position.
(b) Install the bolt (5) and the washer (6).
(c) TORQUE the bolt (5) to between 1.06 and 0.82 m.daN (93.81 and 72.57 lbf.in )

.
(4) Go to the opposite side of the half thrust reverser.
(5) Install the second bonding strap (7) to the hinge beam rod R1 (8). Refer to Step 4.A.(3).
(6) Installation of the hinge beam rod R1 (8) on the half thrust reverser

NOTE: Do not do the step 4.A.(3), if no half thrust reverser is installed.

(a) Install the screws (4).
(b) Remove the 98N7830H014-000 THRUST REVERSER HINGE BOLT BULLETS from the screw (4).
(c) Install the washer (3) and the nut (2).
(d) Tighten the nut (2) until the washer (3) is blocked.
(e) Installation of the cotter pin

WARNING: USE PROTECTIVE GOGGLES WHEN YOU REMOVE OR INSTALL A COTTER PIN. EACH TIME YOU REMOVE A COTTER PIN DURING THE TASK, DISCARD IT IMMEDIATELY. A LOOSE COTTER PIN CAN CUT YOU OR MAKE YOU BLIND.

1 Install the new AIPC 78-30-16-11-010 COTTER PIN (1).

NOTE: You can tighten or loosen the nut (2) maximum up to 1/6 turn to install the new cotter pin (1).

(7) Install the hinge access panel (Ref. AMM TASK 78-36-45-400-801).

5. Close-up
Subtask 78-32-44-410-056-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install one or both half thrust reversers (Ref. AMM TASK 78-32-11-400-803).
(3) Close the thrust reverser cowl-doors (Ref. AMM TASK 78-36-00-410-806):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
451AL 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
461AL 462AR

Subtask 78-32-44-440-057-A

B. Do the reactivation of the thrust reverser system after ground maintenance (Ref. AMM TASK 78-30-00-440-807).

Subtask 78-32-44-410-057-A

C. Close Access
(1) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 03:36:12 UTC