Installation of the Drain Tubes [CFML]

TASK 71-71-49-400-802-A
Installation of the Drain Tubes

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.

ZONE: 400

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 0.43 and 0.36 m.daN (38.05 and 31.86 lbf.in )
No specific	Torque wrench: range to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )
No specific	Torque wrench: range to between 1.43 and 1.17 m.daN (126.55 and 103.54 lbf.in )
No specific	Torque wrench: range to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )
No specific	Torque wrench: range to between 3.39 and 2.98 m.daN (25.00 and 21.98 lbf.ft )
No specific	Torque wrench: range to between 6.10 and 5.20 m.daN (44.99 and 38.35 lbf.ft )
No specific	Torque wrench: range to between 5.90 and 5.31 m.daN (43.51 and 39.16 lbf.ft )
No specific	Torque wrench: range to between 8.81 and 7.46 m.daN (64.97 and 55.01 lbf.ft )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.CPNCL00062)	LUBRICATING OIL TURBINE ENGINE SYNT BASE

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
400	POWER PLANT, NACELLES AND PYLONS
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL, 438AR, 451AL, 452AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL, 448AR, 461AL, 462AR

D. Referenced Information

REFERENCE	DESIGNATION
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 71-71-41-400-802-A	Installation of the Fan Drain Mast
TASK 71-71-42-400-802-A	Installation of the Core Drain Mast
TASK 78-30-00-040-807-A	Deactivation of the Thrust Reverser System for Nacelle Maintenance (ICU)
TASK 78-30-00-440-807-A	Reactivation of the Thrust Reverser System after Nacelle Maintenance (ICU)
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
Left Core Drain Tubes
Right Core Drain Tubes
Fan Drain Tubes

3. Job Set-up
Subtask 71-71-49-941-055-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 WARNING NOTICE(S) are in position to tell persons not to operate:

The ENG/MODE selector switch
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 WARNING NOTICE(S) is in position to tell persons not to energize FADEC 1(2).

Subtask 71-71-49-010-060-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.
(2) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position.

Subtask 71-71-49-040-055-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 nacelle maintenance (Ref. AMM TASK 78-30-00-040-807).

Subtask 71-71-49-010-061-A

D. Get Access
(1) Make sure that the thrust reverser cowl-doors are open (Ref. AMM TASK 78-36-00-010-806):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
451AL 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
461AL 462AR.

4. Procedure
Subtask 71-71-49-420-053-A

A. Install the core drain mast (142) (Ref. AMM TASK 71-71-42-400-802).

Subtask 71-71-49-420-054-A

B. Installation of the Core Drain Tubes on the Left Side of the Engine

Left Core Drain Tubes

(1) Remove all the protective covers and protective caps from all open connectors and receptacles.
(2) Install the tubes (99) and (106) to the A-sump drain as follows:
(a) Lubricate the threads of the bolt (101) and bolts (104) and (107) with LUBRICATING OIL TURBINE ENGINE SYNT BASE (Material No.CPNCL00062) .
(b) Put the P-clamp (100) in position on the tube (99). Use the record made during the removal procedure to help get the correct location and position.
(c) Engage and manually tighten the coupling nut (143) of the tube (99) to the core drain mast (142) (Ref. AMM TASK 71-71-42-400-802).
(d) Install the P-clamp (100) on the tube (99) with the bolt (101) to the support bracket (102).
(e) Manually tighten the bolt (101).
(f) Put the P-clamps (105) and (108) in position on the tube (106). Use the record made during the removal procedure to help get the correct location and position.
(g) Engage the coupling nut (103) of the tube (106) to the tube (99).
(h) Manually tighten the coupling nut (103).
(i) Install the P-clamps (105) and (108) on the tube (106) with the bolts (104) and (107).
(j) Manually tighten the bolts (104) and (107).
(k) Engage the coupling nut (109) of the tube (106) to the A-sump drain.
(l) Manually tighten the coupling nut (109).
(m) TORQUE the coupling nut (143) to between 6.10 and 5.20 m.daN (44.99 and 38.35 lbf.ft )

.
(n) TORQUE the coupling nut (103) to between 6.10 and 5.20 m.daN (44.99 and 38.35 lbf.ft )

.
(o) TORQUE the coupling nut (109) to between 6.10 and 5.20 m.daN (44.99 and 38.35 lbf.ft )

.
(p) TORQUE the bolt (101) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.
(q) TORQUE the bolts (104) and (107) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.
(3) Install the tubes (134) and (129) to the B-sump drain as follows:
(a) Lubricate the threads of the bolts (133) and (131) with LUBRICATING OIL TURBINE ENGINE SYNT BASE (Material No.CPNCL00062) .
(b) Engage and manually tighten the coupling nut (141) of the tube (134) to the core drain mast (142) (Ref. AMM TASK 71-71-42-400-802).
(c) Engage the coupling nut (135) of the tube (129) to the tube (134).
(d) Manually tighten the coupling nut (135).
(e) Install the P-clamps (132) and (130) on the tube (129) with the bolts (133) and (131) to the support bracket (127).
(f) Manually tighten the bolts (133) and (131).
(g) Engage the coupling nut (128) of the tube (129) to the B-sump drain.
(h) Manually tighten the coupling nut (128).
(i) Engage the hydraulic connection (126) of the tube (129) to the B-sump drain.
(j) Manually tighten the hydraulic connection (126).
(k) TORQUE the coupling nut (141) to between 8.81 and 7.46 m.daN (64.97 and 55.01 lbf.ft )

.
(l) TORQUE the coupling nut (135) to between 8.81 and 7.46 m.daN (64.97 and 55.01 lbf.ft )

.
(m) TORQUE the coupling nut (128) to between 6.10 and 5.20 m.daN (44.99 and 38.35 lbf.ft )

.
(n) TORQUE the hydraulic connection (126) to between 6.10 and 5.20 m.daN (44.99 and 38.35 lbf.ft )

.
(o) TORQUE the bolts (133) and (131) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.
(4) Install the tubes (70), (150) and (137) to the LHS pylon drain as follows:
(a) Lubricate the threads of the bolts (139), (154), (149), (163), (173), (171) and (159) with LUBRICATING OIL TURBINE ENGINE SYNT BASE (Material No.CPNCL00062) .
(b) Engage and manually tighten the coupling nut (140) of the tube (137) to the core drain mast (142) (Ref. AMM TASK 71-71-42-400-802).
(c) Install the P-clamp (138) on the tube (137) with the bolt (139) to the support bracket (136).
(d) Install the P-clamp (153) on the tube (137) with the bolt (154) to the support bracket (155).
(e) Manually tighten the bolts (139) and (154).
(f) Engage the coupling nut (152) of the tube (137) to the tube (150).
(g) Manually tighten the coupling nut (152).
(h) Install the P-clamp (148) on the tube (150) with the bolt (149) to the support bracket (151).
(i) Install the P-clamp (162) on the tube (150) with the bolt (163).
(j) Manually tighten the bolts (149) and (163).
(k) Engage the coupling nut (161) of the tube (150) to the tube (70).
(l) Manually tighten the coupling nut (161).
(m) Install the P-clamp (158) on the tube (70) with the bolt (159) to the support bracket (164).
(n) Install the P-clamp (172) on the tube (70) with the bolt (173) to the support bracket (174).
(o) Install the P-clamp (170) on the tube (70) with the bolt (171) to the support bracket (175).
(p) Manually tighten the bolts (159), (173) and (171).
(q) Engage the coupling nut (75) of the tube (70) to the pylon drain (76).
(r) Manually tighten the coupling nut (75).
(s) TORQUE the coupling nut (140) to between 6.10 and 5.20 m.daN (44.99 and 38.35 lbf.ft )

.
(t) TORQUE the coupling nut (152) to between 6.10 and 5.20 m.daN (44.99 and 38.35 lbf.ft )

.
(u) TORQUE the coupling nut (161) to between 6.10 and 5.20 m.daN (44.99 and 38.35 lbf.ft )

.
(v) TORQUE the coupling nut (75) to between 6.10 and 5.20 m.daN (44.99 and 38.35 lbf.ft )

.
(w) TORQUE the bolts (139) and (154) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.
(x) TORQUE the bolts (149) and (163) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.
(y) TORQUE the bolts (159), (173) and (171) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.
(5) Install the tubes (77), (80) and (96) to the VSV (84) as follows:
(a) Lubricate the threads of the bolts (98) and (79) with LUBRICATING OIL TURBINE ENGINE SYNT BASE (Material No.CPNCL00062) .
(b) Engage and manually tighten the coupling nut (144) of the tube (96) to the core drain mast (142) (Ref. AMM TASK 71-71-42-400-802).
(c) Install the P-clamp (97) on the tube (96) with the bolt (98) to the support bracket (102).
(d) Manually tighten the bolt (98).
(e) Engage the coupling nut (95) of the tube (80) to the tube (96).
(f) Manually tighten the coupling nut (95).
(g) Install the P-clamp (78) on the tube (80) with the bolt (79).
(h) Manually tighten the bolt (79).
(i) Engage the coupling nut (82) of the tube (77) to the tube (80).
(j) Manually tighten the coupling nut (82).
(k) Engage the hydraulic connection (81) of the tube (80) to the MTCC and VBV valve connection.
(l) Manually tighten the hydraulic connection (81).
(m) Engage the coupling nut (83) of the tube (77) to the VSV (84).
(n) Manually tighten the coupling nut (83).
(o) TORQUE the coupling nut (144) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(p) TORQUE the coupling nut (95) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(q) TORQUE the coupling nut (82) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(r) TORQUE the hydraulic connection (81) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(s) TORQUE the coupling nut (83) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(t) TORQUE the bolt (98) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.
(u) TORQUE the bolt (79) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.
(6) Install the tubes (72), (110) and (114) to the HPTACC (71) and tube (110) to the LPTACC (156) as follows:
(a) Lubricate the threads of the bolts (112), (116), (119), (90), (88) and (86) with LUBRICATING OIL TURBINE ENGINE SYNT BASE (Material No.CPNCL00062) .
(b) Engage the coupling nut (117) of the tube (114) to the tube (96).
(c) Manually tighten the coupling nut (117).
(d) Install the P-clamps (115) and (120) on the tube (114) with the bolts (116) and (119) to the support brackets (118) and (121).
(e) Manually tighten the bolts (116) and (119).
(f) Engage the coupling nut (113) of the tube (114) to the tube (110).
(g) Manually tighten the coupling nut (113).
(h) Install the P-clamp (111) on the tube (110) with the bolt (112) to the support bracket (122).
(i) Manually tighten the bolt (112).
(j) Engage the coupling nut (165) of the tube (110) to the tube (166).
(k) Manually tighten the coupling nut (165).
(l) Engage the coupling nut (91) of the tube (110) to the tube (72).
(m) Manually tighten the coupling nut (91).
(n) Install the P-clamps (89), (87) and (85) on the tube (72) with the bolts (90), (88) and (86).
(o) Manually tighten the bolts (90), (88) and (86).
(p) Engage the coupling nut (73) of the tube (72) to the HPTACC (71).
(q) Manually tighten the coupling nut (73).
(r) TORQUE the coupling nut (117) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(s) TORQUE the coupling nut (113) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(t) TORQUE the coupling nut (165) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(u) TORQUE the coupling nut (91) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(v) TORQUE the coupling nut (73) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(w) TORQUE the bolts (116) and (119) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.
(x) TORQUE the bolt (112) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.
(y) TORQUE the bolts (90), (88) and (86) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

Subtask 71-71-49-420-055-A

C. Installation of the Core Drain Tubes on the Right Side of the Engine

Right Core Drain Tubes

(1) Remove all the protective covers and protective caps from all open connectors and receptacles.

PRE-SPOL BD-EBU-17008

(2) Install the tubes (249), (231), (246), (224) and (275) of the VSV, MTC and VBV drain lines as follows:
(a) Lubricate the threads of the bolts (257), (264), (250), (252), (244), (230) and (237) with LUBRICATING OIL TURBINE ENGINE SYNT BASE (Material No.CPNCL00062) .
(b) Engage and manually tighten the coupling nut (258) of the tube (249) to the core drain mast (142) (Ref. AMM TASK 71-71-42-400-802).
(c) Install the P-clamp (256) on the tube (249) with the bolt (257).
(d) Install the P-clamp (265) on the tube (249) with the bolt (264) to the support bracket (255).
(e) Manually tighten the bolts (257) and (264).
(f) Engage the coupling nut (248) of the tube (249) to the tube (231).
(g) Manually tighten the coupling nut (248).
(h) Install the P-clamp (251) on the tube (231) with the bolt (250) to the support bracket (254).
(i) Install the P-clamp (253) on the tube (231) with the bolt (252).
(j) Manually tighten the bolts (250) and (252).
(k) Engage the coupling nut (247) of the tube (246) to the tube (231).
(l) Manually tighten the coupling nut (247).
(m) Install the P-clamp (243) on the tube (246) with the bolt (244) to the support bracket (245).
(n) Manually tighten the bolt (244).
(o) Engage the coupling nut (242) of the tube (246) to the VBV drain.
(p) Manually tighten the coupling nut (242).
(q) Install the tube (224) on tube (275) with coupling nut (266).
(r) Manually tighten the coupling nut (266).
(s) Engage the coupling nut (223) of the tube (275) to the tube (231).
(t) Manually tighten the coupling nut (223).
(u) Install the P-clamps (229) on the tube (224) and tube (275) with the bolts (230).
(v) Manually tighten the bolts (230).
(w) Engage the coupling nut (226) of the tube (224) to the VSV and MTC drain.
(x) Manually tighten the coupling nut (226).
(y) Engage the connection (225) of the tube (224) to the VSV stub tube.
(z) Manually tighten the connection (225).
(aa) TORQUE the coupling nut (258) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(ab) TORQUE the coupling nut (248) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(ac) TORQUE the coupling nut (223) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(ad) TORQUE the coupling nut (247) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(ae) TORQUE the coupling nut (242) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(af) TORQUE the coupling nut (226) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(ag) TORQUE the connection (225) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(ah) TORQUE the coupling nut (232) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(ai) TORQUE the coupling nut (188) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(aj) TORQUE the bolts (257) and (264) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.
(ak) TORQUE the bolts (250) and (252) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.
(al) TORQUE the bolt (244) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.
(am) TORQUE the bolt (230) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.

END OF PRE-SPOL BD-EBU-17008

POST-SPOL BD-EBU-17008

(3) Install the tubes (249), (231), (246) and (224) of the VSV and VBV drain lines as follows:
(a) Lubricate the threads of the bolts (257), (264), (250), (252), (244), (230) and (237) with LUBRICATING OIL TURBINE ENGINE SYNT BASE (Material No.CPNCL00062) .
(b) Engage and manually tighten the coupling nut (258) of the tube (249) to the core drain mast (142) (Ref. AMM TASK 71-71-42-400-802).
(c) Install the P-clamp (256) on the tube (249) with the bolt (257).
(d) Install the P-clamp (265) on the tube (249) with the bolt (264) to the support bracket (255).
(e) Manually tighten the bolts (257) and (264).
(f) Engage the coupling nut (248) of the tube (249) to the tube (231).
(g) Manually tighten the coupling nut (248).
(h) Install the P-clamp (251) on the tube (231) with the bolt (250) to the support bracket (254).
(i) Install the P-clamp (253) on the tube (231) with the bolt (252).
(j) Manually tighten the bolts (250) and (252).
(k) Engage the coupling nut (247) of the tube (246) to the tube (231).
(l) Manually tighten the coupling nut (247).
(m) Install the P-clamp (243) on the tube (246) with the bolt (244) to the support bracket (245).
(n) Manually tighten the bolt (244).
(o) Engage the coupling nut (242) of the tube (246) to the VBV drain.
(p) Manually tighten the coupling nut (242).
(q) Engage the coupling nut (223) of the tube (224) to the tube (231).
(r) Manually tighten the coupling nut (223).
(s) Install the P-clamps (229) on the tube (224) with the bolt (230).
(t) Manually tighten the bolts (230).
(u) Engage the coupling nut (226) of the tube (224) to the VSV drain.
(v) Manually tighten the coupling nut (226).
(w) TORQUE the coupling nut (258) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(x) TORQUE the coupling nut (248) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(y) TORQUE the coupling nut (223) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(z) TORQUE the coupling nut (247) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(aa) TORQUE the coupling nut (242) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(ab) TORQUE the coupling nut (226) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(ac) TORQUE the connection (225) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(ad) TORQUE the coupling nut (232) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(ae) TORQUE the coupling nut (188) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(af) TORQUE the bolts (257) and (264) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.
(ag) TORQUE the bolts (250) and (252) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.
(ah) TORQUE the bolt (244) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.
(ai) TORQUE the bolt (230) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.

END OF POST-SPOL BD-EBU-17008

(4) Install the tube (185) of the SBV drain line as follows:
(a) Engage the coupling nut (222) of the tube (185) to the tube (187).
(b) Manually tighten the coupling nut (222).
(c) Install the P-clamp (238) on the tube (185) with the bolt (237).
(d) Manually tighten the bolt (237).
(e) Engage the coupling nut (186) of the tube (185) to the SBV (189).
(f) Manually tighten the coupling nut (186).
(g) TORQUE the coupling nut (222) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(h) TORQUE the coupling nut (186) to between 3.48 and 2.96 m.daN (25.66 and 21.83 lbf.ft )

.
(i) TORQUE the bolt (237) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.

PRE-SPOL BD-EBU-17003 AND PRE SB BD70CR71-031

(5) Install the tubes (213) and (196) as follows:
(a) Lubricate the threads of the bolts (260), (214), (217) and (195) with LUBRICATING OIL TURBINE ENGINE SYNT BASE (Material No.CPNCL00062) .
(b) Engage and manually tighten the coupling nut (259) of the tube (213) to the core drain mast (142) (Ref. AMM TASK 71-71-42-400-802).
(c) Install the P-clamps (261) and (215) on the tube (213) with the bolts (260) and (214) to the support brackets (262) and (212).
(d) Manually tighten the bolts (260) and (214).
(e) Engage the coupling nut (211) of the tube (213) to the tube (196).
(f) Manually tighten the coupling nut (211).
(g) Install the P-clamp (218) on the tube (196) with the bolt (217) to the support bracket (216).
(h) Install the P-clamp (194) on the tube (196) with the bolt (195).
(i) Manually tighten the bolts (217) and (195).
(j) Engage the coupling nut (193) of the tube (196) to the tube (192).
(k) Manually tighten the coupling nut (193).
(l) TORQUE the coupling nut (259) to between 6.10 and 5.20 m.daN (44.99 and 38.35 lbf.ft )

.
(m) TORQUE the coupling nut (211) to between 6.10 and 5.20 m.daN (44.99 and 38.35 lbf.ft )

.
(n) TORQUE the coupling nut (193) to between 6.10 and 5.20 m.daN (44.99 and 38.35 lbf.ft )

.
(o) TORQUE the bolts (260) and (214) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.
(p) TORQUE the bolt (217) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.
(q) TORQUE the bolt (195) to between 1.43 and 1.17 m.daN (126.55 and 103.54 lbf.in )

.

END OF PRE SPOL BD-EBU-17003 AND PRE SB BD70CR71-031

POST-SPOL BD-EBU-17003 AND POST SB BD70CR71-031

(6) Install the tubes (196) as follows:
(a) Lubricate the threads of the bolts (260), (214), (217) and (195) with LUBRICATING OIL TURBINE ENGINE SYNT BASE (Material No.CPNCL00062) .
(b) Engage and manually tighten the coupling nut (259) of the tube (196) to the core drain mast (142) (Ref. AMM TASK 71-71-42-400-802).
(c) Install the P-clamps (261) and (215) on the tube (196) with the bolts (260) and (214) to the support brackets (262) and (212).
(d) Manually tighten the bolts (260) and (214).
(e) Install the P-clamp (218) on the tube (196) with the bolt (217) to the support bracket (216).
(f) Install the P-clamp (194) on the tube (196) with the bolt (195).
(g) Manually tighten the bolts (217) and (195).
(h) Engage the coupling nut (193) of the tube (196) to the tube (192).
(i) Manually tighten the coupling nut (193).
(j) TORQUE the coupling nut (259) to between 6.10 and 5.20 m.daN (44.99 and 38.35 lbf.ft )

.
(k) TORQUE the coupling nut (211) to between 6.10 and 5.20 m.daN (44.99 and 38.35 lbf.ft )

.
(l) TORQUE the coupling nut (193) to between 6.10 and 5.20 m.daN (44.99 and 38.35 lbf.ft )

.
(m) TORQUE the bolts (260) and (214) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.
(n) TORQUE the bolts (217) and (195) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.

END OF POST-SPOL BD-EBU-17003 AND POST SB BD70CR71-031

(7) Install the tube (270) of the pylon drain as follows:
(a) Engage the coupling nut (269) of the tube (270) to the tube (192).
(b) Manually tighten the coupling nut (269).
(c) Engage the coupling nut (271) of the tube (270) to the RHS pylon drain.
(d) Manually tighten the coupling nut (271).
(e) TORQUE the coupling nut (269) to between 6.10 and 5.20 m.daN (44.99 and 38.35 lbf.ft )

.
(f) TORQUE the coupling nut (271) to between 5.90 and 5.31 m.daN (43.51 and 39.16 lbf.ft )

Subtask 71-71-49-420-056-A

D. Installation of the Fan Drain Tubes

Fan Drain Tubes

(1) Remove all the protective covers and protective caps from all open connectors and receptacles.
(2) Install the fan drain mast (26) (Ref. AMM TASK 71-71-41-400-802).
(3) Install the tube (7) to the oil tank (9) as follows:
(a) Lubricate the threads of the bolts (6), (5), (17), (16) and (14) with LUBRICATING OIL TURBINE ENGINE SYNT BASE (Material No.CPNCL00062) .
(b) Engage the tube (7) to the fan drain mast (26) coupling nut (Ref. AMM TASK 71-71-41-400-802).
(c) Manually tighten the fan drain mast (26) connection.
(d) Install the P-clamps (2), (4), (18), (11) and (13) on the tube (7) with the bolts (6), (5), (17), (16) and (14) to the support brackets (1), (3), (10), (12) and (15).
(e) Manually tighten the bolts (6), (5), (17), (16) and (14).
(f) Engage the coupling nut (8) of the tube (7) to the oil tank (9).
(g) Manually tighten the coupling nut (8).
(h) TORQUE the fan drain mast (26) coupling nut to the tube (7) to between 3.39 and 2.98 m.daN (25.00 and 21.98 lbf.ft )

.
(i) TORQUE the coupling nut (8) to between 3.39 and 2.98 m.daN (25.00 and 21.98 lbf.ft )

.
(j) TORQUE the bolts (6), (5), (17), (16) and (14) to between 0.43 and 0.36 m.daN (38.05 and 31.86 lbf.in )

.
(4) Install the tube (23) to the gearbox (28) as follows:
(a) Lubricate the threads of the bolts (52), (56) and (58) with LUBRICATING OIL TURBINE ENGINE SYNT BASE (Material No.CPNCL00062) .
(b) Engage the tube (23) to the fan drain mast (26) coupling nut (Ref. AMM TASK 71-71-41-400-802).
(c) Manually tighten the fan drain mast (26) connection.
(d) Install the P-clamps (54), (55) and (59) on the tube (23) with the bolts (52), (56) and (58) to the support brackets (53), (57) and (60).
(e) Manually tighten the bolts (52), (56) and (58).
(f) Engage the coupling nut (51) of the tube (23) to the port (50) on the gearbox (28).
(g) Manually tighten the coupling nut (51).
(h) TORQUE the fan drain mast (26) coupling nut to the tube (23) to between 3.39 and 2.98 m.daN (25.00 and 21.98 lbf.ft )

.
(i) TORQUE the coupling nut (51) to between 3.39 and 2.98 m.daN (25.00 and 21.98 lbf.ft )

.
(j) TORQUE the bolts (52), (56) and (58) to between 0.43 and 0.36 m.daN (38.05 and 31.86 lbf.in )

.
(5) Install the tubes (24) and (25) to the gearbox (28) as follows:
(a) Lubricate the threads of the bolts (46), (44) and (40) with LUBRICATING OIL TURBINE ENGINE SYNT BASE (Material No.CPNCL00062) .
(b) Engage the tubes (24) and (25) to the fan drain mast (26) coupling nuts (Ref. AMM TASK 71-71-41-400-802).
(c) Manually tighten the fan drain mast (26) connections.
(d) Install the tube clamp (45) on the tubes (23), (24) and (25) with the two bolts (46) to the support bracket (47).
(e) Install the tube clamp (43) on the tubes (23) and (24) with the bolt (44) to the support bracket (48).
(f) Install the P-clamp (39) on the tube (24) with the bolt (40) to the support bracket (41).
(g) Manually tighten the bolts (46), (44) and (40).
(h) Engage the coupling nut (38) of the tube (24) to the port (37) on the gearbox (28).
(i) Manually tighten the coupling nut (38).
(j) Engage the coupling nut (42) of the tube (25) to the port (49) on the gearbox (28).
(k) Manually tighten the coupling nut (42).
(l) TORQUE the fan drain mast (26) coupling nuts to tubes (24) and (25) to between 3.39 and 2.98 m.daN (25.00 and 21.98 lbf.ft )

.
(m) TORQUE the coupling nut (38) to between 3.39 and 2.98 m.daN (25.00 and 21.98 lbf.ft )

.
(n) TORQUE the coupling nut (42) to between 3.39 and 2.98 m.daN (25.00 and 21.98 lbf.ft )

.
(o) TORQUE the bolts (46) and (40) to between 0.43 and 0.36 m.daN (38.05 and 31.86 lbf.in )

.
(p) TORQUE the bolt (44) to between 0.76 and 0.64 m.daN (67.26 and 56.64 lbf.in )

.
(6) Install the tube (27) to the gearbox (28) as follows:
(a) Lubricate the threads of the bolts (22), (31) and (34) with LUBRICATING OIL TURBINE ENGINE SYNT BASE (Material No.CPNCL00062) .
(b) Engage the tube (27) to the fan drain mast (26) coupling nut (Ref. AMM TASK 71-71-41-400-802).
(c) Manually tighten the fan drain mast (26) connection.
(d) Install the P-clamps (21), (32) and (33) on the tube (27) with the bolts (22), (31) and (34) to the support brackets (20), (35) and (36).
(e) Manually tighten the bolts (22), (31) and (34).
(f) Engage the coupling nut (30) of the tube (27) to the port (29) on the gearbox (28).
(g) Manually tighten the coupling nut (30).
(h) TORQUE the fan drain mast (26) coupling nut to the tube (27) to between 3.39 and 2.98 m.daN (25.00 and 21.98 lbf.ft )

.
(i) TORQUE the coupling nut (30) to between 3.39 and 2.98 m.daN (25.00 and 21.98 lbf.ft )

.
(j) TORQUE the bolts (22), (31) and (34) to between 0.43 and 0.36 m.daN (38.05 and 31.86 lbf.in )

5. Close-up
Subtask 71-71-49-410-054-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the thrust reverser cowl-doors (Ref. AMM TASK 78-36-00-410-806):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
451AL 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
461AL 462AR.

Subtask 71-71-49-440-053-A

B. Do the reactivation of the thrust reverser system after nacelle maintenance (Ref. AMM TASK 78-30-00-440-807).

Subtask 71-71-49-410-055-A

C. 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 access platform(s).
(3) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.02 07:32:21 UTC