Installation of Flow Divider and Solenoid Valve (131-9(A))

TASK 49-32-13-400-001-A
Installation of Flow Divider and Solenoid Valve (131-9(A))

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	Torque wrench: range to between 111.1 and 90.9 lbf.in (1.26 and 1.03 m.daN )
No specific	Torque wrench: range to between 147 and 133 lbf.in (1.66 and 1.50 m.daN )
No specific	Torque wrench: range to between 0.627 and 0.513 m.daN (55.49 and 45.40 lbf.in )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.03ABA1)	Synthetic base Lubricating Oil-Turbine Engine - -
(Material No.03ABB1)	Synthetic base Lubricating Oil-Turbine Engine Low Temp. -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
315AL, 316AR

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
19	O-RING	AIPC 49-32-09-02-060
4	O-RING	AIPC 49-32-09-02-060
7	O-RING	AIPC 49-32-09-02-060
3	RETAINER RING	AIPC 49-32-09-02-100
18	RETAINER RING	AIPC 49-32-09-02-120
3	RETAINER RING	AIPC 49-32-09-02-120
18	RETAINER RING	AIPC 49-32-84-30-140
3	RETAINER RING	AIPC 49-32-84-30-140
19	O-RING	AIPC 49-32-84-30-150
4	O-RING	AIPC 49-32-84-30-150

E. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power
TASK 29-00-00-864-001-A	Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action
TASK 49-00-00-710-010-A	Operational Test of the APU
TASK 52-41-00-010-001-A	Open the APU Doors for Access
TASK 52-41-00-410-001-A	Close the APU Doors after Access
Flow Divider and Solenoid (PRE VSB 49-7739)
Flow Divider and Solenoid (POST VSB 49-7739)

3. Job Set-up
Subtask 49-32-13-860-050-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
(2) On the panel 25VU, make sure that the APU MASTER SW p/bsw is OFF.
(3) Make sure that there is a warning notice in the cockpit to tell persons not to start the APU.
(4) Make sure that the hydraulic systems are depressurized
(Ref. AMM TASK 29-00-00-864-001).
(5) Make sure that the access platform is in position below the APU compartment.
(6) Make sure that the APU access doors are open (Ref. AMM TASK 52-41-00-010-001).
(7) Make sure that the LIGHT SW 11LJ is set to the ON position.

Subtask 49-32-13-865-055-A ** ON A/C NOT FOR ALL

B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	APU/APU/CTL	2KD	L42
121VU	APU/ECB/SPLY	1KD	L41

4. Procedure
Subtask 49-32-13-420-051-A ** ON A/C NOT FOR ALL

A. Installation of the Flow Divider

CAUTION: YOU MUST USE TWO WRENCHES AND HOLD THE COMPONENT WHEN YOU REMOVE/INSTALL THE PIPE COUPLINGS AND/OR UNIONS. THIS PREVENTS DAMAGE TO THE COMPONENT.

CAUTION: -YOU MUST NOT INCREASE THE TIGHTENING TORQUE MORE THAN THE MAXIMUM VALUE.

APPLY ALL TIGHTENING TORQUES WITH A TORQUE WRENCH OR A CALIBRATED SCREWDRIVER.

(1) If the VSB 49-7739 is not incorporated:

Flow Divider and Solenoid (PRE VSB 49-7739) ** ON A/C NOT FOR ALL

(a) Remove the blanking caps from the flow divider (1).
(b) Clean the component interfaces and the adjacent area.
(c) Do an inspection of the component interfaces and the adjacent area.
(d) Lubricate the new AIPC 49-32-09-02-060 O-RING (7) with Synthetic base Lubricating Oil-Turbine Engine - - (Material No.03ABA1) or Synthetic base Lubricating Oil-Turbine Engine Low Temp. - (Material No.03ABB1) .
(e) Install the new O-ring (7) on the union (8).
(f) Install the union (8) into the solenoid (17) on side nearest the master key.
(g) Lubricate the new AIPC 49-32-09-02-060 O-RING (4) and the new AIPC 49-32-09-02-100 RETAINER RING (3) with Synthetic base Lubricating Oil-Turbine Engine - - (Material No.03ABA1) or Synthetic base Lubricating Oil-Turbine Engine Low Temp. - (Material No.03ABB1) .
(h) Install the nut (2), the new retainer ring (3) and the new O-ring (4) on the flow divider (1).
(i) Install the flow divider (1) into the solenoid (17) on the side furthest from the master key.
(j) Put the flow divider (1), the solenoid (17) and the union (8) in position on the APU.
(k) Install the clamp (10) and the bolt (11) on the support (13).
(l) TORQUE the bolt (11) to between 0.627 and 0.513 m.daN (55.49 and 45.40 lbf.in )

.
(m) Remove the PLUG-BLANKING from each disconnected line end.
(n) Connect the secondary manifold fuel pipe (9) to the union (8).
(o) Loosely connect the primary manifold fuel pipe (15) to the flow divider (1).
(p) Loosely connect the main fuel feed pipe (16) to the flow divider (1).
(q) Hold the flow divider (1) in position and tighten the nut (2).
(r) TORQUE the nut (2) to between 147 and 133 lbf.in (1.66 and 1.50 m.daN )

.
(s) Hold the union (8) in position and tighten it.
(t) TORQUE the union (8) to between 147 and 133 lbf.in (1.66 and 1.50 m.daN )

.
(u) Tighten the primary manifold fuel pipe (15).
(v) TORQUE the primary manifold fuel pipe (15) to between 111.1 and 90.9 lbf.in (1.26 and 1.03 m.daN )

.
(w) Tighten the main fuel feed pipe (16) and the secondary manifold fuel pipe (9).
(x) TORQUE the secondary manifold fuel pipe (9) and main fuel feed pipe (16) to between 147 and 133 lbf.in (1.66 and 1.50 m.daN )

.
(y) Install the bonding lead (6) on the solenoid (17) with the bolt (14) and the nut (5).
(z) Remove the CAP-BLANKING from each electrical connector and receptacle.
(aa) Connect the electrical connector (12) to the solenoid (17).
(2) If the VSB 49-7739 is incorporated:

Flow Divider and Solenoid (POST VSB 49-7739) ** ON A/C NOT FOR ALL

(a) Remove the blanking caps from the flow divider (1).
(b) Clean the component interfaces and the adjacent area.
(c) Do an inspection of the component interfaces and the adjacent area.
(d) Lubricate the new AIPC 49-32-09-02-060 O-RING (4) or AIPC 49-32-84-30-150 O-RING (4) and the new AIPC 49-32-09-02-120 RETAINER RING (3) or AIPC 49-32-84-30-140 RETAINER RING (3) with Synthetic base Lubricating Oil-Turbine Engine - - (Material No.03ABA1) or Synthetic base Lubricating Oil-Turbine Engine Low Temp. - (Material No.03ABB1) .
(e) Install the nut (2), the new retainer ring (3) and the new O-ring (4) on the check valve (7).
(f) Install the check valve (7) into the solenoid (9) on side nearest the master key.
(g) Lubricate the new AIPC 49-32-09-02-060 O-RING (19) or AIPC 49-32-84-30-150 O-RING (19) and the new AIPC 49-32-09-02-120 RETAINER RING (18) or AIPC 49-32-84-30-140 RETAINER RING (18) with Synthetic base Lubricating Oil-Turbine Engine - - (Material No.03ABA1) or Synthetic base Lubricating Oil-Turbine Engine Low Temp. - (Material No.03ABB1) .
(h) Install the nut (17), the new retainer ring (18) and the new O-ring (19) on the flow divider (1).
(i) Install the flow divider (1) into the solenoid (9) on the side furthest from the master key.
(j) Put the flow divider (1), the solenoid (9) and the check valve (7) in position on the APU.
(k) Install the clamp (10) and the bolt (11) on the support (13).
(l) TORQUE the bolt (11) to between 0.627 and 0.513 m.daN (55.49 and 45.40 lbf.in )

(m) Remove the PLUG-BLANKING from each disconnected line end.
(n) Connect the secondary manifold fuel pipe (8) to the check valve (7).
(o) Loosely connect the primary manifold fuel pipe (14) to the flow divider (1).
(p) Loosely connect the main fuel feed pipe (15) to the flow divider (1).
(q) Hold the flow divider (1) in position and tighten the nut (17).
(r) TORQUE the nut (17) to between 147 and 133 lbf.in (1.66 and 1.50 m.daN )

.
(s) Hold the check valve (7) in position and tighten the nut (2).
(t) TORQUE the nut (2) to between 147 and 133 lbf.in (1.66 and 1.50 m.daN )

.
(u) Tighten the primary manifold fuel pipe (14).
(v) TORQUE the primary manifold fuel pipe (14) to between 111.1 and 90.9 lbf.in (1.26 and 1.03 m.daN )

.
(w) Tighten the main fuel feed pipe (15) and the secondary manifold fuel pipe (8).
(x) TORQUE the secondary manifold fuel pipe (8) and main fuel feed pipe (15) to between 147 and 133 lbf.in (1.66 and 1.50 m.daN )

.
(y) Install the bonding lead (6) on the solenoid (9) with the bolt (16) and the nut (5).
(z) Remove the CAP-BLANKING from each electrical connector and receptacle.
(aa) Connect the electrical connector (12) to the solenoid.

Subtask 49-32-13-865-056-A ** ON A/C NOT FOR ALL

B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	APU/APU/CTL	2KD	L42
121VU	APU/ECB/SPLY	1KD	L41

Subtask 49-32-13-710-050-A ** ON A/C NOT FOR ALL

C. Do the operational test of the APU (Ref. AMM TASK 49-00-00-710-010).
(1) Operate the APU for min. five minutes and examine the joints of the flow divider for leaks.

NOTE: Leaks are not permitted.

5. Close-up
Subtask 49-32-13-410-052-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 APU access doors 315AL 316AR (Ref. AMM TASK 52-41-00-410-001).
(3) Remove the access platform(s).

Subtask 49-32-13-860-051-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Put the related hydraulic system in the pressurized configuration (Ref. AMM TASK 29-00-00-864-001).
(2) De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).
(3) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 12:43:00 UTC