Installation of the Splitter Fairing [CFMI]

TASK 72-23-00-400-007-A
Installation of the Splitter Fairing

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

FIN: 1000EM1 ** ON A/C NOT FOR ALL
FIN: 1000EM2 ** ON A/C NOT FOR ALL

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	ACCESS PLATFORM 1M (3 FT)-ADJUSTABLE
No specific	AR	GUN - HOT AIR
No specific	AR	MAT - RUBBER
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 45 and 40 lbf.in (0.51 and 0.45 m.daN )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.CP1039)	acetone
(Material No.CP1041)	isopropyl alcohol
(Material No.CP2011)	stoddard solvent
(Material No.CP2101)	graphite grease
(Material No.CP2559)	ardrox 552
(Material No.CP2560)	turco ind 79
(Material No.CP2566)	mag-chem teksol
(Material No.CP2584)	degreasol 99 R
(Material No.CP2656)	mag-chem skysol

C. Referenced Information

REFERENCE	DESIGNATION
TASK 72-21-00-400-001-A	Installation of the Spinner Front Cone
TASK 72-21-00-400-002-A	Installation of the Spinner Rear Cone
TASK 72-21-00-400-003-A	Installation of the Fan Rotor Blades
Splitter Fairing
Locally Manufactured Adapter

3. Job Set-up
Subtask 72-23-00-860-055-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) On the center pedestal, on the ENG panel 115VU, make sure that a WARNING NOTICE(S) is in position to tell persons not to start the engine.
(2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a WARNING NOTICE(S) is in position to tell persons not to energize the FADEC 1(2).
(3) Make sure that the ACCESS PLATFORM 1M (3 FT)-ADJUSTABLE is in position.
(4) Make sure that the spinner front cone and rear cone are removed.
(5) Make sure that the fan rotor blades are removed.

4. Procedure
Subtask 72-23-00-420-056-A ** ON A/C NOT FOR ALL

A. Installation of the splitter fairing

CAUTION: INSTALL A RUBBER MAT IN THE FAN INLET CASE TO PREVENT DAMAGE TO THE ACOUSTICAL PANELS.

(1) Install a MAT - RUBBER in the fan inlet case.
(2) Clean the mating surfaces:
(a) Fully clean the mating surfaces of the splitter fairing front flange with acetone (Material No.CP1039) or isopropyl alcohol (Material No.CP1041) or stoddard solvent (Material No.CP2011) or ardrox 552 (Material No.CP2559) or turco ind 79 (Material No.CP2560) or mag-chem teksol (Material No.CP2566) or degreasol 99 R (Material No.CP2584) or mag-chem skysol (Material No.CP2656) .
(3) Put the splitter fairing (10) on the inner shroud of the fan outlet guide vane (OGV) assembly and on the outer shroud of the stage 1 vane assembly.
(4) Heat the front flange of the splitter fairing with a GUN - HOT AIR to approximately 140 deg.F (60 deg.C) until it can be fully engaged in the OGV inner shroud rabbet diameter.
(5) Lubricate the threads of the countersunk head screws (20) with graphite grease (Material No.CP2101) .
(6) Install screws (20). TORQUE to between 45 and 40 lbf.in (0.51 and 0.45 m.daN )

.
(7) Remove the rubber mat from the fan inlet case.

5. Close-up
Subtask 72-23-00-410-068-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the fan blades (Ref. AMM TASK 72-21-00-400-003).
(3) Install the spinner rear cone (Ref. AMM TASK 72-21-00-400-002).
(4) Install the spinner front cone (Ref. AMM TASK 72-21-00-400-001).
(5) Remove the access platform(s).
(6) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.02 07:32:31 UTC