Installation of the Center Vent Tube Support [CFML]

TASK 72-59-12-400-802-A
Installation of the Center Vent Tube Support

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 1M(3 FT)
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 120.81 and 109.31 lbf.in (1.37 and 1.24 m.daN )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.CP2101)	graphite grease

C. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
5	WASHERS	EIPC 72-00-00-86-020

D. Referenced Information

REFERENCE	DESIGNATION
TASK 78-11-41-400-803-A	Installation of the Exhaust Rear Plug
Center Vent Tube Support

3. Job Set-up
Subtask 72-59-12-941-051-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).
(c) Make sure that the ACCESS PLATFORM 1M(3 FT) in position.

4. Procedure
Subtask 72-59-12-420-050-A

A. Installation of the Center Vent Tube Support
(1) Installation of the center vent tube support (7):
(a) Lubricate the new five EIPC 72-00-00-86-020 WASHERS (5) and threads of the five bolts (4) with graphite grease (Material No.CP2101) .
(b) Install the center vent tube support (7) in correct position on the rear plug assembly (1).
(c) Install the five washers (5) and five bolts (4) to attach the center vent tube support (7) to the rear plug assembly (1) and tighten by hand.
(d) TORQUE the five bolts (4) to between 120.81 and 109.31 lbf.in (1.37 and 1.24 m.daN )

.
(2) Installation of the exhaust rear plug (1) (Ref. AMM TASK 78-11-41-400-803)

5. Close-up
Subtask 72-59-12-942-051-A

A. Put the aircraft back to its initial configuration.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 13:13:21 UTC