Installation of the Pneumatic Starter Valve [IAE]

TASK 80-13-51-400-010-B
Installation of the Pneumatic Starter Valve

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

WARNING: IF IT IS NECESSARY TO ENERGIZE THE AIRCRAFT FOR A MAINTENANCE WORK WHILE YOU DO THIS MAINTENANCE PROCEDURE, MAKE SURE THAT ONLY EXTERNAL POWER IS USED. THE USE OF APU OR ENGINE POWER CAN CAUSE PRESSURIZED AIR LEAKAGE IN THE PNEUMATIC SYSTEM, AND INJURY CAN OCCUR.

ZONE: 400
FIN: 4005KS ** 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	WARNING NOTICE(S)
No specific	Torque wrench: range to between 85 and 75 lbf.in (0.96 and 0.85 m.daN )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.V01-076)	Methyl Ethyl Ketone, Technical grade
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
400	POWER PLANT, NACELLES AND PYLONS
FOR [1000EM1] (ENGINE-1)
437AL, 438AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
9	SEAL	AIPC 80-13-41-80-020
1	SEAL	AIPC 80-13-51-80-020
5	SEAL	AIPC 80-13-51-80-020

E. Referenced Information

REFERENCE	DESIGNATION
TASK 70-23-11-911-013-A	General Torque Tightening Techniques
TASK 70-23-15-912-010-A	Connection of Electrical Connectors
TASK 71-00-00-710-045-A	Test No.1 : Dry Motor Leak Check
TASK 71-13-00-010-010-A	Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-00-410-010-A	Closing of the Fan Cowls 437AL(447AL),438AR(448AR)
Pneumatic Starter Valve

3. Job Set-up
Subtask 80-13-51-860-053-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that the WARNING NOTICE(S) is in position to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than five minutes before you do this procedure.
(3) On overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/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).
(4) On the APU section of OVERHEAD CTL & IND panel 25VU:
(a) Make sure that the APU MASTER SW pushbutton switch is released.
(b) Make sure that the WARNING NOTICE(S) is in position to tell persons not to operate the APU.
(5) On AIR COND panel 30VU:

Make sure that the APU BLEED pushbutton switch is released (the ON legend is off),
Make sure that the WARNING NOTICE(S) is in position to tell persons not to operate the pneumatic system.

(6) On the HP ground connector:

Make sure that the WARNING NOTICE(S) is in position to tell persons not to pressurize the pneumatic system.

(7) On AIR COND panel 30VU:

Make sure that the X-BLEED selector switch is in the SHUT position.

Subtask 80-13-51-010-054-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-010):
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR

4. Procedure
Subtask 80-13-51-110-051-A ** ON A/C NOT FOR ALL

A. Clean these parts.
(1) Clean these parts with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with V01-076Methyl Ethyl Ketone, Technical grade.
(a) Clean the pneumatic starter valve (4).
(b) The ducts (2) and (7).

Subtask 80-13-51-420-052-A ** ON A/C NOT FOR ALL

B. Installation of the Pneumatic Starter Valve

CAUTION: MAKE SURE THE VALVE IS INSTALLED CORRECTLY. THE DIRECTION-OF-FLOW ARROW ON THE VALVE BODY MUST POINT IN THE DIRECTION OF THE PNEUMATIC STARTER.

(1) Install the pneumatic starter valve.
(a) Put the new AIPC 80-13-51-80-020 SEAL (1) in position and hold the starter valve (4) on the engine in the position noted on removal.
(b) Install the coupling (3).
(c) TORQUE the coupling nut to between 85 and 75 lbf.in (0.96 and 0.85 m.daN )

(Ref. AMM TASK 70-23-11-911-013).
(d) Remove the CAP-BLANKING from each electrical connector and receptacle.
(e) Make sure that all the electrical connections are clean and in the correct condition.
(f) Connect the electrical connector (11) (Ref. AMM TASK 70-23-15-912-010).
(2) Install the lower starter duct.
(a) Hold the lower duct (7), the new AIPC 80-13-51-80-020 SEAL (5) and AIPC 80-13-41-80-020 SEAL (9) in position on the engine.
(b) Install the couplings (6) and (8).
(c) TORQUE the couplings to between 85 and 75 lbf.in (0.96 and 0.85 m.daN )

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

5. Close-up
Subtask 80-13-51-410-052-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) Close the fan cowls (Ref. AMM TASK 71-13-00-410-010):
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(3) Remove the WARNING NOTICE(S).
(4) Remove the access platform(s).

Subtask 80-13-51-710-053-A ** ON A/C NOT FOR ALL

B. Do a dry motor leak check (Ref. AMM TASK 71-00-00-710-045).

[Rev.10 from 2021] 2026.04.01 13:15:22 UTC