Installation of the Starter Bleed/Booster Anti-Ice Valve [CFML]

TASK 75-11-05-400-801-A
Installation of the Starter Bleed/Booster Anti-Ice Valve

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.

FIN: 4161KS

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 124 and 106 lbf.in (1.40 and 1.20 m.daN )
No specific	Torque wrench: range to between 308 and 262 lbf.in (3.48 and 2.96 m.daN )
No specific	Torque wrench: range to between 540 and 460 lbf.in (6.10 and 5.20 m.daN )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.CP2442)	engine oil
(Material No.CP8006)	safety cable 0.032 in. (0.8 mm) dia.

C. Work Zones and Access Panels

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

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
16	SEAL	EIPC 75-11-00-10-050
13	SEAL	EIPC 75-11-00-15-140
3	SEAL	EIPC 75-11-05-01-040

E. Referenced Information

REFERENCE	DESIGNATION
TASK 70-70-00-910-804-A	Electrical Standard Practices
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 73-29-00-740-802-A	Actuators Test (Menu Mode)
TASK 78-30-00-040-809-A	Deactivation of the Thrust Reverser System for Ground Maintenance
TASK 78-30-00-440-809-A	Reactivation of the Thrust Reverser System after Ground Maintenance
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
Starter Bleed/Booster Anti-Ice Valve (PRE and POST SB 72-0057, 72-0190)

3. Job Set-up
Subtask 75-11-05-941-051-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, and
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 75-11-05-010-052-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

Subtask 75-11-05-040-051-A

C. Deactivation of the Thrust Reverser System for 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 maintenance (Ref. AMM TASK 78-30-00-040-809).

Subtask 75-11-05-010-053-A

D. Get Access
(1) Make sure that the right thrust-reverser cowl-door is open (Ref. AMM TASK 78-36-00-010-806):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
462AR
(2) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position.

4. Procedure
Subtask 75-11-05-020-051-A

A. General
(1) Remove all COVER - PROTECTION and CAP - PROTECTION from the openings, tubes, hoses and connectors.

Subtask 75-11-05-420-051-A

B. Installation of the Starter Bleed/Booster Anti-Ice Valve
(1) Install the starter bleed/booster anti-ice valve (1) as follows:
(a) Install a new EIPC 75-11-00-10-050 SEAL (16) between the start bleed tube-duct (14) and the starter bleed/booster anti-ice valve (1).
(b) Install a new EIPC 75-11-00-15-140 SEAL (13) between the booster anti-ice air tube (11) and the starter bleed/booster anti-ice valve (1).

PRE SB 72-0190

(c) Put the starter bleed/booster anti-ice valve (1) in position on the bracket (7).
(d) Apply engine oil (Material No.CP2442) on the threads of the two bolts (17).
(e) Install the two bolts (17) that attach the starter bleed/booster anti-ice valve (1) to the bracket (7).
(f) TORQUE the two bolts (17) to between 124 and 106 lbf.in (1.40 and 1.20 m.daN )

.
(g) Connect the fuel manifold (9) B-nuts (2 locations) to the starter bleed/booster anti-ice valve (1).

NOTE: The fuel manifold (9) is connected to the starter bleed/booster at two locations. There are two different size B-nuts on these two branches of the fuel manifold (9). Make sure that you tighten these two B-nuts to the correct torque.

1 Triple torque the fuel manifold (9) small B-nut as follows:
a TORQUE the fuel manifold (9) small B-nut to between 308 and 262 lbf.in (3.48 and 2.96 m.daN )

.
b Loosen the fuel manifold (9) small B-nut until it is free-running.
c TORQUE the fuel manifold (9) small B-nut to between 308 and 262 lbf.in (3.48 and 2.96 m.daN )

.
d TORQUE the fuel manifold (9) small B-nut again to between 308 and 262 lbf.in (3.48 and 2.96 m.daN )

.
2 Triple torque the fuel manifold (9) large B-nut as follows:
a TORQUE the fuel manifold (9) large B-nut to between 540 and 460 lbf.in (6.10 and 5.20 m.daN )

.
b Loosen the fuel manifold (9) large B-nut until it is free-running.
c TORQUE the fuel manifold (9) large B-nut to between 540 and 460 lbf.in (6.10 and 5.20 m.daN )

.
d TORQUE the fuel manifold (9) large B-nut again to between 540 and 460 lbf.in (6.10 and 5.20 m.daN )

.
(h) Connect the drain tube (10) B-nut to the starter bleed/booster anti-ice valve (1).
(i) TORQUE the drain tube (10) B-nut to between 308 and 262 lbf.in (3.48 and 2.96 m.daN )

.
(j) Loosely install the coupling (15) that attaches the start bleed tube-duct (14) to the starter bleed/booster anti-ice valve (1).
(k) Loosely install the coupling (12) that attaches the booster anti-ice air tube (11) to starter bleed/booster anti-ice valve (1).

END OF PRE SB 72-0190
POST SB 72-0190

(l) Hold the starter bleed/ booster anti-ice valve (1) in position above the start bleed tube-duct (14), and beside the booster anti-ice air tube (11).
(m) Loosely install the coupling (15) that attaches the start bleed tube-duct (14) to the starter bleed/ booster anti-ice valve (1).
(n) Loosely install the coupling (12) that attaches the booster anti-ice air tube (11) to starter bleed/booster anti-ice valve (1).
(o) Connect the fuel tube (9) B-nut (two locations) to the starter bleed/booster anti-ice valve (1).

NOTE: There are two different size B-nuts on these two tubes (9). Make sure that you tighten these two B-nuts to the correct torque.

1 Triple torque the fuel tube (9) large B-nut as follows:
a TORQUE the fuel tube (9) large B-nut to between 540 and 460 lbf.in (6.10 and 5.20 m.daN )

.
b Loosen the fuel tube (9) large B-nut until it is free-running.
c TORQUE the fuel tube (9) large B-nut to between 540 and 460 lbf.in (6.10 and 5.20 m.daN )

.
d TORQUE the fuel tube (9) large B-nut again to between 540 and 460 lbf.in (6.10 and 5.20 m.daN )

.
2 Triple torque the fuel tube (9) small B-nut as follows:
a TORQUE the fuel tube (9) small B-nut to between 308 and 262 lbf.in (3.48 and 2.96 m.daN )

.
b Loosen the fuel tube (9) small B-nut until it is free-running.
c TORQUE the fuel tube (9) small B-nut to between 308 and 262 lbf.in (3.48 and 2.96 m.daN )

.
d TORQUE the fuel tube (9) small B-nut again to between 308 and 262 lbf.in (3.48 and 2.96 m.daN )

.
(p) Connect the drain tube (10) B-nut to the starter bleed/booster anti-ice valve (1).
(q) TORQUE the drain tube (10) B-nut to between 308 and 262 lbf.in (3.48 and 2.96 m.daN )

.

END OF POST SB 72-0190

(2) Install the start bleed leg-air-duct (4) as follows:
(a) Install a new EIPC 75-11-05-01-040 SEAL (3) on the starter bleed/booster anti-ice valve (1).
(b) Put the start bleed leg-air-duct (4) in position on the starter bleed/booster anti-ice valve (1).
(c) Apply engine oil (Material No.CP2442) on the threads of the two bolts (5).
(d) Loosely install the coupling (2) that attaches the start bleed leg-air-duct (4) to the starter bleed/booster anti-ice valve (1).
(e) Install the two bolts (5) that attach the start bleed leg-air-duct (4) to the support bracket (6).
(f) TORQUE the two bolts (5) to between 124 and 106 lbf.in (1.40 and 1.20 m.daN )

.
(3) TORQUE the couplings and connect the electrical connectors as follows:
(a) TORQUE the coupling (2) to between 124 and 106 lbf.in (1.40 and 1.20 m.daN )

.
(b) TORQUE the coupling (15) to between 124 and 106 lbf.in (1.40 and 1.20 m.daN )

.
(c) TORQUE the coupling (12) to between 124 and 106 lbf.in (1.40 and 1.20 m.daN )

.
(d) Connect the electrical connector (8) to the starter bleed/booster anti-ice valve (1) (Ref. AMM TASK 70-70-00-910-804).
(4) Installation of the safety cable

WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.

(a) Install CP8006safety cable 0.032 in. (0.8 mm) dia. dia 0.032 in. (0.8 mm) on the two fuel manifold (9) B-nuts.
(5) Remove the access platform(s).

5. Close-up
Subtask 75-11-05-710-050-A

A. Test
(1) Do the actuators test (menu mode) (Ref. AMM TASK 73-29-00-740-802).

Subtask 75-11-05-410-050-A

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the right thrust-reverser cowl-door (Ref. AMM TASK 78-36-00-410-806):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
462AR

Subtask 75-11-05-440-050-A

C. Do the reactivation of the thrust reverser after maintenance (Ref. AMM TASK 78-30-00-440-809).

Subtask 75-11-05-410-051-A

D. 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 WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 12:57:43 UTC