Installation of the Drain Module [CFMI]
TASK 71-71-41-400-040-A
Installation of the Drain Module
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Expendable Parts
E. Referenced Information
3. Job Set-up
Subtask 71-71-41-860-050-A ** ON A/C NOT FOR ALL
Subtask 71-71-41-640-051-A ** ON A/C NOT FOR ALL Subtask 71-71-41-420-051-A ** ON A/C NOT FOR ALL
Subtask 71-71-41-410-051-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:23:37 UTC
Installation of the Drain Module
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.CP2442) | engine oil |
| (Material No.CP8001) | lockwire 0.032 in. (0.8 mm) dia. |
| (Material No.CP8006) | safety cable 0.032 in. (0.8 mm) dia. |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 447AL, 448AR | |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 20 | PACKING | AIPC 71-71-41-01-030 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-13-00-010-040-A | Opening of the Fan Cowl Doors |
| TASK 71-13-00-410-040-A | Closing of the Fan Cowl Doors |
Subtask 71-71-41-860-050-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).
Subtask 71-71-41-010-052-A ** ON A/C NOT FOR ALL (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).
B. Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-040):
(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
4. Procedure(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
Subtask 71-71-41-640-051-A ** ON A/C NOT FOR ALL Subtask 71-71-41-420-051-A ** ON A/C NOT FOR ALL
B. Install the module (5) on the brackets with the bolts (25), the washers (30) and the nuts (35). TORQUE the bolts to between 70 and 50 lbf.in (0.79 and 0.57 m.daN )
.
(1) Remove protective covers from the drain tubes and the module ports.
(2) Remove the plugs (15) and the valves (10) from the reservoir (5) and install new AIPC 71-71-41-01-030 PACKING (20).
(3) Install the plugs (15) and the valves (10) in the module (5). TORQUE the plugs (15) and the valves (10) to between 140 and 125 lbf.in (1.58 and 1.41 m.daN )
. Safety the plugs (15) and the valves (10) with CP8001 lockwire 0.032 in. (0.8 mm) dia. or CP8006 safety cable 0.032 in. (0.8 mm) dia. .
(4) Connect the drain tubes to the module (5). TORQUE coupling to between 315 and 285 lbf.in (3.56 and 3.22 m.daN )
.
5. Close-up
. (1) Remove protective covers from the drain tubes and the module ports.
(2) Remove the plugs (15) and the valves (10) from the reservoir (5) and install new AIPC 71-71-41-01-030 PACKING (20).
(3) Install the plugs (15) and the valves (10) in the module (5). TORQUE the plugs (15) and the valves (10) to between 140 and 125 lbf.in (1.58 and 1.41 m.daN )
. Safety the plugs (15) and the valves (10) with (4) Connect the drain tubes to the module (5). TORQUE coupling to between 315 and 285 lbf.in (3.56 and 3.22 m.daN )
. Subtask 71-71-41-410-051-A ** ON A/C NOT FOR ALL
Drain Module