Installation of the Fire Detection (System B) Harness [IAE]
TASK 71-52-42-400-010-B
Installation of the Fire Detection (System B) Harness
This TASK is for V2500-A5 engines.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 71-52-42-860-050-A ** ON A/C NOT FOR ALL
Subtask 71-52-42-420-053-A ** ON A/C NOT FOR ALL
Subtask 71-52-42-869-052-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:30:51 UTC
Installation of the Fire Detection (System B) Harness
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobThis TASK is for V2500-A5 engines.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 1M(3 FT) |
| No specific | AR | WARNING NOTICE(S) |
| No specific | Torque wrench: range to between 44 and 36 lbf.in (0.50 and 0.41 m.daN ) ![]() |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.V01-002) | cleaning fluid |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR, 451AL, 452AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 447AL, 448AR, 461AL, 462AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 26-12-00-710-002-B | Operational Test of the Engine Fire and Overheat Detection with the Centralized Fault Display System (CFDS) |
| TASK 31-60-00-860-001-A | EIS Start Procedure |
| TASK 31-60-00-860-002-A | EIS Stop Procedure |
| 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) |
| TASK 71-52-42-000-010-B | Removal of the Fire Detection (System B) Harness |
| TASK 78-30-00-040-012-A | Deactivation of the Thrust Reverser Hydraulic Control Unit (HCU) for Ground Maintenance |
| TASK 78-30-00-440-012-A | Re-activation of the Thrust Reverser Hydraulic Control Unit (HCU) after Ground Maintenance |
| TASK 78-32-00-010-010-A | Opening of the Thrust Reverser Halves |
| TASK 78-32-00-410-010-A | Closing of the Thrust Reverser Halves |
Subtask 71-52-42-860-050-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).
(3) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position.
Subtask 71-52-42-010-052-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).
(3) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position.
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
(2) Make sure that the thrust reverser doors are open: (Ref. AMM TASK 78-32-00-010-010)
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR
Subtask 71-52-42-410-054-A ** ON A/C NOT FOR ALL (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
(2) Make sure that the thrust reverser doors are open: (Ref. AMM TASK 78-32-00-010-010)
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR
C. Make sure that the thrust reverser Hydraulic Control Unit (HCU) is deactivated: (Ref. AMM TASK 78-30-00-040-012)
4. ProcedureSubtask 71-52-42-420-053-A ** ON A/C NOT FOR ALL
A. Install the clips from the removed harness on to the replacement harness, in the positions written during the removal task (Ref. AMM TASK 71-52-42-000-010).
Subtask 71-52-42-630-051-A ** ON A/C NOT FOR ALL B. Remove the applicable covers/caps/plugs from the electrical connectors and the electrical receptacles.
Subtask 71-52-42-110-051-A ** ON A/C NOT FOR ALL C. Clean the replacement parts and their interfaces
(1) Use a clean Textile-Lint free Cotton - (Material No.14SBA1) made moist with the cleaning fluid (Material No.V01-002) to clean the replacement parts and their interfaces.
(2) Use a clean, dry Textile-Lint free Cotton - (Material No.14SBA1) and remove the dirty cleaning fluid from the parts while they are wet.
Subtask 71-52-42-420-051-A ** ON A/C NOT FOR ALL (1) Use a clean Textile-Lint free Cotton - (Material No.14SBA1) made moist with the cleaning fluid (Material No.V01-002) to clean the replacement parts and their interfaces.
(2) Use a clean, dry Textile-Lint free Cotton - (Material No.14SBA1) and remove the dirty cleaning fluid from the parts while they are wet.
D. Install the Fire Detection (System B) Harness as follows:
Pre SBE 72-0189
PRE SBE 79-0088
(1) Put in position and connect the Fire Detection (System B) Harness as follows:
(a) Put the fire detection (system B) harness on the core engine in the correct position for installation (Ref. AMM TASK 71-52-42-000-010).
(2) Connect the fire detection (system B) harness
(a) Connect the electrical connectors:
1 Connect the connector 454VC at the aft pylon-interface-panel.
2 Connect the connector 4001WD2-A at the fire detector.
(3) Install the fire detection (system B) harness to the core engine
(a) The positions of the parts were written on removal. Make sure they are installed correctly during assembly (Ref. AMM TASK 71-52-42-000-010):
(b) Put the harness in the clip (125) (Ref. detail at S).
(c) Attach the clip (151) and the tube clip to the tube with the bolt (149), the washer (150) and the nut (152) (Ref. detail at W).
(d) Attach the clip (137) and the tube clip to the tube with the bolt (136) and the nut (138) (Ref. detail at V).
(e) Attach the clip (135) to the engine bracket with the bolt (133) and the washer (134) (Ref. detail at U).
(f) Attach the clip (130) to the engine bracket with the bolt (131), the washer (132) and the nut (129) (Ref. detail at T).
(g) Attach the clip (125) and the tube clip to the tube with the bolt (124), the washers (128) and (127) and the nut (126) (Ref. detail at S).
(h) Put the harness into the clips (103), (106) and (111) (Ref. detail at P, Q and R).
(i) Attach the clip (111) to the tube with the bolt (109), the washers (110) and (112) and the nut (113) (Ref. detail at R).
(j) Put the spacer (105) between the clip (106) and the engine bracket in the correct position for installation. Attach the clip (106) and the spacer (105) to the engine bracket with the bolt (107) and the washer (108) (Ref. detail at Q).
(k) Attach the clip (103) to the engine bracket with the bolt (104) (Ref. detail at P).
(l) Put the harness into the clips (80), (84) and (102) (Ref. detail at L, M and N).
(m) Attach the Ignition Supply Harness clip and the clip (102) to the engine bracket with the bolt (99), the washers (98) and (100) and the nut (101) (Ref. detail at N).
(n) Attach the clip (84) and the tube clip to the tube with the bolt (87), the washer (86) and the nut (85) (Ref. detail at M).
(o) Put the spacer (83) between the engine raceway clip and the tube in the correct position for installation. Attach the clip (80), the tube and the spacer (83) to the engine raceway clip with the bolt (82) and the nut (81) (Ref. detail at L).
(p) Put the harness into the clips (73) and (79) (Ref. detail at J and K).
(q) Attach the clip (79) to the engine raceway with the bolt (77), the washer (78) and the nut (76) (Ref. detail at K).
(r) Put the spacer (71) between the clip (73) and the tube in the correct position for installation. Attach the clip (73) to the tube with the bolt (75), the washer (74) and the nut (72) (Ref. detail at J).
(s) Put the harness into the clips (52) and (56) (Ref. detail at G and H).
(t) Put the spacer (59) between the clip (56) and the engine raceway in the correct position for installation. Attach the clip (56) and the spacer (59) to the engine raceway with the bolt (57), the washer (58) and the nut (60) (Ref detail at H ).
(u) Attach the clip (52) to the engine raceway with the bolt (54), the washer (53) and the nut (55) (Ref. detail at G).
(v) Put the harness into the clips (26), (31), (44) and (49) (Ref. detail at D, E and F).
(w) Attach the clip (49) to the engine raceway with the bolt (48), the washer (47) and the nut (50) (Ref. detail at F).
(x) Put the spacer (42) between the Nacelle Temperature Sensor Harness clip and the tube clip in the correct position for installation. Attach the clip (44), the tube clip and the Nacelle Temperature Sensor Harness clip to the engine raceway with the bolt (46), the washer (45) and the nut (43) (Ref. detail at E).
(y) Attach the clips (26) and (31) to the engine bracket with the bolts (28) and (29) and the washers (27) and (30) (Ref. detail at D).
(z) Put the harness into the clip (22) (Ref. detail at C).
(aa) Put the spacer (23) between the tube clip and the clip (22) in the correct position for installation. Put the spacer (24) between the other tube clip and the tube in the correct position for installation. Attach the clip (22), the spacers (23) and (24) and the tube clips to the tube with the bolt (25) and the nut (21) (Ref. detail at C).
(ab) Put the harness into the clips (4) and (10) (Ref. detail at A and B).
(ac) Put the spacer (6) between the tube and the bracket in the correct position for installation. Put the spacer (7) between the tube and the clip (10) in the correct position for installation. Attach the clip (10), the spacers (6) and (7) and the tube to the bracket with the bolt (5), the washer (8) and the nut (9) (Ref. detail at B).
(ad) Attach the clip (4) to the tube with the bolt (1), the washer (3) and the nut (2) (Ref. detail at A).
(ae) TORQUE the nuts (2), (9), (21), (43), (50), (55), (60), (72), (76), (81), (85), (101), (113), (126), (129), (138) and (152) to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )
.
(af) TORQUE the bolts (28), (29), (104), (107) and (133) to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )
.
Subtask 71-52-42-420-055-A ** ON A/C NOT FOR ALL Pre SBE 72-0189
PRE SBE 79-0088
(1) Put in position and connect the Fire Detection (System B) Harness as follows:
(a) Put the fire detection (system B) harness on the core engine in the correct position for installation (Ref. AMM TASK 71-52-42-000-010).
(2) Connect the fire detection (system B) harness
(a) Connect the electrical connectors:
1 Connect the connector 454VC at the aft pylon-interface-panel.
2 Connect the connector 4001WD2-A at the fire detector.
(3) Install the fire detection (system B) harness to the core engine
(a) The positions of the parts were written on removal. Make sure they are installed correctly during assembly (Ref. AMM TASK 71-52-42-000-010):
(b) Put the harness in the clip (125) (Ref. detail at S).
(c) Attach the clip (151) and the tube clip to the tube with the bolt (149), the washer (150) and the nut (152) (Ref. detail at W).
(d) Attach the clip (137) and the tube clip to the tube with the bolt (136) and the nut (138) (Ref. detail at V).
(e) Attach the clip (135) to the engine bracket with the bolt (133) and the washer (134) (Ref. detail at U).
(f) Attach the clip (130) to the engine bracket with the bolt (131), the washer (132) and the nut (129) (Ref. detail at T).
(g) Attach the clip (125) and the tube clip to the tube with the bolt (124), the washers (128) and (127) and the nut (126) (Ref. detail at S).
(h) Put the harness into the clips (103), (106) and (111) (Ref. detail at P, Q and R).
(i) Attach the clip (111) to the tube with the bolt (109), the washers (110) and (112) and the nut (113) (Ref. detail at R).
(j) Put the spacer (105) between the clip (106) and the engine bracket in the correct position for installation. Attach the clip (106) and the spacer (105) to the engine bracket with the bolt (107) and the washer (108) (Ref. detail at Q).
(k) Attach the clip (103) to the engine bracket with the bolt (104) (Ref. detail at P).
(l) Put the harness into the clips (80), (84) and (102) (Ref. detail at L, M and N).
(m) Attach the Ignition Supply Harness clip and the clip (102) to the engine bracket with the bolt (99), the washers (98) and (100) and the nut (101) (Ref. detail at N).
(n) Attach the clip (84) and the tube clip to the tube with the bolt (87), the washer (86) and the nut (85) (Ref. detail at M).
(o) Put the spacer (83) between the engine raceway clip and the tube in the correct position for installation. Attach the clip (80), the tube and the spacer (83) to the engine raceway clip with the bolt (82) and the nut (81) (Ref. detail at L).
(p) Put the harness into the clips (73) and (79) (Ref. detail at J and K).
(q) Attach the clip (79) to the engine raceway with the bolt (77), the washer (78) and the nut (76) (Ref. detail at K).
(r) Put the spacer (71) between the clip (73) and the tube in the correct position for installation. Attach the clip (73) to the tube with the bolt (75), the washer (74) and the nut (72) (Ref. detail at J).
(s) Put the harness into the clips (52) and (56) (Ref. detail at G and H).
(t) Put the spacer (59) between the clip (56) and the engine raceway in the correct position for installation. Attach the clip (56) and the spacer (59) to the engine raceway with the bolt (57), the washer (58) and the nut (60) (Ref detail at H ).
(u) Attach the clip (52) to the engine raceway with the bolt (54), the washer (53) and the nut (55) (Ref. detail at G).
(v) Put the harness into the clips (26), (31), (44) and (49) (Ref. detail at D, E and F).
(w) Attach the clip (49) to the engine raceway with the bolt (48), the washer (47) and the nut (50) (Ref. detail at F).
(x) Put the spacer (42) between the Nacelle Temperature Sensor Harness clip and the tube clip in the correct position for installation. Attach the clip (44), the tube clip and the Nacelle Temperature Sensor Harness clip to the engine raceway with the bolt (46), the washer (45) and the nut (43) (Ref. detail at E).
(y) Attach the clips (26) and (31) to the engine bracket with the bolts (28) and (29) and the washers (27) and (30) (Ref. detail at D).
(z) Put the harness into the clip (22) (Ref. detail at C).
(aa) Put the spacer (23) between the tube clip and the clip (22) in the correct position for installation. Put the spacer (24) between the other tube clip and the tube in the correct position for installation. Attach the clip (22), the spacers (23) and (24) and the tube clips to the tube with the bolt (25) and the nut (21) (Ref. detail at C).
(ab) Put the harness into the clips (4) and (10) (Ref. detail at A and B).
(ac) Put the spacer (6) between the tube and the bracket in the correct position for installation. Put the spacer (7) between the tube and the clip (10) in the correct position for installation. Attach the clip (10), the spacers (6) and (7) and the tube to the bracket with the bolt (5), the washer (8) and the nut (9) (Ref. detail at B).
(ad) Attach the clip (4) to the tube with the bolt (1), the washer (3) and the nut (2) (Ref. detail at A).
(ae) TORQUE the nuts (2), (9), (21), (43), (50), (55), (60), (72), (76), (81), (85), (101), (113), (126), (129), (138) and (152) to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )
. (af) TORQUE the bolts (28), (29), (104), (107) and (133) to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )
. E. Install the Fire Detection (System B) Harness as follows:
SBE 72-0189
Pre SBE 75-0081
PRE SBE 79-0088
(1) Put in position and connect the Fire Detection (System B) Harness as follows:
(a) Put the fire detection (system B) harness on the core engine in the correct position for installation (Ref. AMM TASK 71-52-42-000-010).
(2) Connect the fire detection (system B) harness
(a) Connect the electrical connectors:
1 Connect the connector 454VC at the aft pylon-interface-panel.
2 Connect the connector 4001WD2-A at the fire detector.
(3) Install the fire detection (system B) harness to the core engine
(a) The positions of the parts was written on removal. Make sure they are installed correctly during assembly (Ref. AMM TASK 71-52-42-000-010):
(b) Put the harness in the clip (125) (Ref. detail at S).
(c) Attach the clip (151) and the tube clip to the tube with the bolt (149), the washer (150) and the nut (152) (Ref. detail at W).
(d) Attach the clip (137) and the tube clip to the tube with the bolt (136) and the nut (138) (Ref. detail at V).
(e) Attach the clip (135) to the engine bracket with the bolt (133) and the washer (134) (Ref. detail at U).
(f) Attach the clip (130) to the engine bracket with the bolt (131), the washer (132) and the nut (129) (Ref. detail at T).
(g) Attach the clip (125) and the tube clip to the tube with the bolt (124), the washers (128) and (127) and the nut (126) (Ref. detail at S).
(h) Put the harness into the clips (103), (106) and (111) (Ref. detail at P, Q and R).
(i) Attach the clip (111) to the tube with the bolt (109), the washers (110) and (112) and the nut (113) (Ref. detail at R).
(j) Put the spacer (105) between the clip (106) and the engine bracket in the correct position for installation. Attach the clip (106) and the spacer (105) to the engine bracket with the bolt (107) and the washer (108) (Ref. detail at Q).
(k) Attach the clip (103) to the engine bracket with the bolt (104) (Ref. detail at P).
(l) Put the harness into the clips (80), (84) and (102) (Ref. detail at L, M and N).
(m) Attach the Ignition Supply Harness clip and the clip (102) to the engine bracket with the bolt (99), the washers (98) and (100) and the nut (101) (Ref. detail at N).
(n) Attach the clip (84) and the tube clip to the tube with the bolt (87), the washer (86) and the nut (85) (Ref. detail at M).
(o) Put the spacer (83) between the engine raceway clip and the tube in the correct position for installation. Attach the clip (80), the tube and the spacer (83) to the engine raceway clip with the bolt (82) and the nut (81) (Ref. detail at L).
(p) Put the harness into the clips (91) and (79) (Ref. detail at J and K).
(q) Attach the clip (79) to the engine raceway with the bolt (77), the washer (78) and the nut (76) (Ref. detail at K).
(r) Put the spacer (89) between the raceway end and the clip (91) in the correct position for installation. Attach the raceway end, the spacer (89), the clip (91) and the tube clip to the engine raceway with the bolt (88) and the nut (90) (Ref. detail at J).
(s) Put the harness into the clip (157) (Ref. detail at H).
(t) Put the spacer (154) between the clip (157) and the engine raceway in the correct position for installation. Attach the clip (157) and the spacer (154) to the engine raceway with the bolt (156), the washer (155) and the nut (153) (Ref detail at H ).
(u) Put the harness into the clips (164), (167) and (67) (Ref. detail at AA, AB and AC).
(v) Put the spacer (66) between the clip (67) and the engine raceway in the correct position for installation. Attach the clip (67) and the spacer (66) to the engine raceway with the bolt (65) (Ref. detail at AC).
(w) Attach the clip (167) and the tube clip to the tube with the bolt (168) and the nut (166) (Ref. detail at AB).
(x) Attach the clip (164) to the tube with the bolt (165) and the nut (163) (Ref. detail at AA).
(y) Put the harness into the clips (39), (62) and (162) (Ref. detail at X, Y and Z).
(z) Attach the clip (162) and the tube clip to the tube with the bolt (160) and the nut (161) (Ref. detail at Z).
(aa) Attach the tube clip and the clip (62) to the tube with the bolt (61) and the nut (63) (Ref. detail at Y).
(ab) Put the spacer (41) between the tube clip and the clip (39) in the correct position for installation. Attach the clip (39), the spacer (41) and the tube clip to the tube with the bolt (40) and the nut (38) (Ref. detail at X).
(ac) Put the harness into the clip (32) (Ref. detail at C).
(ad) Put the spacer (37) between the tube clip and the tube in the correct position for installation. Put the spacer (34) between the tube and the other tube clip and the spacer (35) between the tube clip and the bracket in the correct position for installation. Attach the clip (32), the spacers (37), (34) and (35) and the tube clips to the tube with the bolt (36) and the nut (33) (Ref. detail at C).
(ae) Put the harness into the clips (4) and (10) (Ref. detail at A and B).
(af) Put the spacer (6) between the tube and the bracket in the correct position for installation. Put the spacer (7) between the tube and the clip (10) in the correct position for installation. Attach the clip (10), the spacers (6) and (7) and the tube to the bracket with the bolt (5), the washer (8) and the nut (9) (Ref. detail at B).
(ag) Attach the clip (4) to the tube with the bolt (1), the washer (3) and the nut (2) (Ref. detail at A).
(ah) TORQUE the nuts (2), (9), (33), (38), (63), (161), (163), (166), (153), (90), (76), (81), (85), (101), (113), (126), (129), (138) and (152) to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )
.
(ai) TORQUE the bolts (65), (104), (107) and (133) to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )
.
Subtask 71-52-42-420-056-B ** ON A/C NOT FOR ALL SBE 72-0189
Pre SBE 75-0081
PRE SBE 79-0088
(1) Put in position and connect the Fire Detection (System B) Harness as follows:
(a) Put the fire detection (system B) harness on the core engine in the correct position for installation (Ref. AMM TASK 71-52-42-000-010).
(2) Connect the fire detection (system B) harness
(a) Connect the electrical connectors:
1 Connect the connector 454VC at the aft pylon-interface-panel.
2 Connect the connector 4001WD2-A at the fire detector.
(3) Install the fire detection (system B) harness to the core engine
(a) The positions of the parts was written on removal. Make sure they are installed correctly during assembly (Ref. AMM TASK 71-52-42-000-010):
(b) Put the harness in the clip (125) (Ref. detail at S).
(c) Attach the clip (151) and the tube clip to the tube with the bolt (149), the washer (150) and the nut (152) (Ref. detail at W).
(d) Attach the clip (137) and the tube clip to the tube with the bolt (136) and the nut (138) (Ref. detail at V).
(e) Attach the clip (135) to the engine bracket with the bolt (133) and the washer (134) (Ref. detail at U).
(f) Attach the clip (130) to the engine bracket with the bolt (131), the washer (132) and the nut (129) (Ref. detail at T).
(g) Attach the clip (125) and the tube clip to the tube with the bolt (124), the washers (128) and (127) and the nut (126) (Ref. detail at S).
(h) Put the harness into the clips (103), (106) and (111) (Ref. detail at P, Q and R).
(i) Attach the clip (111) to the tube with the bolt (109), the washers (110) and (112) and the nut (113) (Ref. detail at R).
(j) Put the spacer (105) between the clip (106) and the engine bracket in the correct position for installation. Attach the clip (106) and the spacer (105) to the engine bracket with the bolt (107) and the washer (108) (Ref. detail at Q).
(k) Attach the clip (103) to the engine bracket with the bolt (104) (Ref. detail at P).
(l) Put the harness into the clips (80), (84) and (102) (Ref. detail at L, M and N).
(m) Attach the Ignition Supply Harness clip and the clip (102) to the engine bracket with the bolt (99), the washers (98) and (100) and the nut (101) (Ref. detail at N).
(n) Attach the clip (84) and the tube clip to the tube with the bolt (87), the washer (86) and the nut (85) (Ref. detail at M).
(o) Put the spacer (83) between the engine raceway clip and the tube in the correct position for installation. Attach the clip (80), the tube and the spacer (83) to the engine raceway clip with the bolt (82) and the nut (81) (Ref. detail at L).
(p) Put the harness into the clips (91) and (79) (Ref. detail at J and K).
(q) Attach the clip (79) to the engine raceway with the bolt (77), the washer (78) and the nut (76) (Ref. detail at K).
(r) Put the spacer (89) between the raceway end and the clip (91) in the correct position for installation. Attach the raceway end, the spacer (89), the clip (91) and the tube clip to the engine raceway with the bolt (88) and the nut (90) (Ref. detail at J).
(s) Put the harness into the clip (157) (Ref. detail at H).
(t) Put the spacer (154) between the clip (157) and the engine raceway in the correct position for installation. Attach the clip (157) and the spacer (154) to the engine raceway with the bolt (156), the washer (155) and the nut (153) (Ref detail at H ).
(u) Put the harness into the clips (164), (167) and (67) (Ref. detail at AA, AB and AC).
(v) Put the spacer (66) between the clip (67) and the engine raceway in the correct position for installation. Attach the clip (67) and the spacer (66) to the engine raceway with the bolt (65) (Ref. detail at AC).
(w) Attach the clip (167) and the tube clip to the tube with the bolt (168) and the nut (166) (Ref. detail at AB).
(x) Attach the clip (164) to the tube with the bolt (165) and the nut (163) (Ref. detail at AA).
(y) Put the harness into the clips (39), (62) and (162) (Ref. detail at X, Y and Z).
(z) Attach the clip (162) and the tube clip to the tube with the bolt (160) and the nut (161) (Ref. detail at Z).
(aa) Attach the tube clip and the clip (62) to the tube with the bolt (61) and the nut (63) (Ref. detail at Y).
(ab) Put the spacer (41) between the tube clip and the clip (39) in the correct position for installation. Attach the clip (39), the spacer (41) and the tube clip to the tube with the bolt (40) and the nut (38) (Ref. detail at X).
(ac) Put the harness into the clip (32) (Ref. detail at C).
(ad) Put the spacer (37) between the tube clip and the tube in the correct position for installation. Put the spacer (34) between the tube and the other tube clip and the spacer (35) between the tube clip and the bracket in the correct position for installation. Attach the clip (32), the spacers (37), (34) and (35) and the tube clips to the tube with the bolt (36) and the nut (33) (Ref. detail at C).
(ae) Put the harness into the clips (4) and (10) (Ref. detail at A and B).
(af) Put the spacer (6) between the tube and the bracket in the correct position for installation. Put the spacer (7) between the tube and the clip (10) in the correct position for installation. Attach the clip (10), the spacers (6) and (7) and the tube to the bracket with the bolt (5), the washer (8) and the nut (9) (Ref. detail at B).
(ag) Attach the clip (4) to the tube with the bolt (1), the washer (3) and the nut (2) (Ref. detail at A).
(ah) TORQUE the nuts (2), (9), (33), (38), (63), (161), (163), (166), (153), (90), (76), (81), (85), (101), (113), (126), (129), (138) and (152) to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )
. (ai) TORQUE the bolts (65), (104), (107) and (133) to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )
. F. Install the Fire Detection (System B) Harness as follows:
SBE 72-0189
SBE 75-0081
SBE 79-0088
(1) Put in position and connect the Fire Detection (System B) Harness as follows:
(a) Put the fire detection (system B) harness on the core engine in the correct position for installation (Ref. AMM TASK 71-52-42-000-010).
(2) Connect the fire detection (system B) harness
(a) Connect the electrical connectors:
1 Connect the connector 454VC at the aft pylon-interface-panel.
2 Connect the connector 4001WD2-A at the fire detector.
(3) Install the fire detection (system B) harness to the core engine
(a) The positions of the parts were written on removal. Make sure they are installed correctly during assembly (Ref. AMM TASK 71-52-42-000-010):
(b) Put the harness in the clip (125) (Ref. detail at S).
(c) Attach the clips (175) and (176) to the engine bracket with the bolt (177), the washers (178) and (179) and the nut (174) (Ref. detail at W).
(d) Put the spacer (172) between the clip (170) and the engine bracket in the correct position for installation. Attach the clip (170) and the spacer (172) to the engine bracket with the bolt (169), the washer (173) and the nut (171) (Ref. detail at V).
(e) Attach the clip (135) to the engine bracket with the bolt (133) and the washer (134) (Ref. detail at U).
(f) Attach the clip (130) to the engine bracket with the bolt (131), the washer (132) and the nut (129) (Ref. detail at T).
(g) Attach the clip (125) and the tube clip to the tube with the bolt (124), the washers (128) and (127) and the nut (126) (Ref. detail at S).
(h) Put the harness into the clips (103), (106) and (111) (Ref. detail at P, Q and R).
(i) Attach the clip (111) to the tube with the bolt (109), the washers (110) and (112) and the nut (113) (Ref. detail at R).
(j) Put the spacer (105) between the clip (106) and the engine bracket in the correct position for installation. Attach the clip (106) and the spacer (105) to the engine bracket with the bolt (107) and the washer (108) (Ref. detail at Q).
(k) Attach the clip (103) to the engine bracket with the bolt (104) (Ref. detail at P).
(l) Put the harness into the clips (80), (84) and (102) (Ref. detail at L, M and N).
(m) Attach the Ignition Supply Harness clip and the clip (102) to the engine bracket with the bolt (99), the washers (98) and (100) and the nut (101) (Ref. detail at N).
(n) Attach the clip (84) and the tube clip to the tube with the bolt (87), the washer (86) and the nut (85) (Ref. detail at M).
(o) Put the spacer (83) between the engine raceway clip and the tube in the correct position for installation. Attach the clip (80), the tube and the spacer (83) to the engine raceway clip with the bolt (82) and the nut (81) (Ref. detail at L).
(p) Put the harness into the clips (91) and (79) (Ref. detail at J and K).
(q) Attach the clip (79) to the engine raceway with the bolt (77), the washer (78) and the nut (76) (Ref. detail at K).
(r) Put the spacer (89) between the raceway end and the clip (91) in the correct position for installation. Attach the raceway end, the spacer (89), the clip (91) and the tube clip to the engine raceway with the bolt (88) and the nut (90) (Ref. detail at J).
(s) Put the harness into the clips (222),(212) and (204) (Ref. detail at AH, AG and AH).
(t) Put the spacer (223) between the tube and the clip in the correct position for installation. Attach the clip (222) and the spacer (223) to the tube (224) with the bolt (220), the washer (221) and the nut (225) (Ref detail at AH ).
(u) Attach the clip (212) to the tube (213) with the bolt (210), the washer (211) and the nut (214) (Ref. detail at AG).
(v) Attach the clips (202) and (204) to the tube (203) with the bolt (200), the washer (201) and the nut (205) (Ref. detail at AF).
(w) Pre SBN 71-0295
Put the harness into the clips (187) and (181) (Ref. detail at AD and AE).
SBN 71-0295
Put the harness into the clips (187) and (232) (Ref. detail at AD and AJ).
(x) Attach the clip (187) to the tube (188) with the bolt (185), the washer (186) and the nut (189) (Ref. detail at AE).
(y) Pre SBN 71-0295
Attach the clip (181) to the fire/ overheat detector bracket (182) and the tube (183) with the bolt (180) and the nut (184) (Ref. detail at AD).
(z) SBN 71-0295
Put the spacer (228) between the tube (231) and the clip (232) in the correct position for installation. Attach the clip (232) and the spacer (228) to the tube (231) with the bolt (226), the washer (227) and the nut (230) (Ref. detail at AJ).
(aa) TORQUE the nuts (90), (76), (81), (85), (101), (113), (126), (129), (171), (174), (184), (189), (205), (214) and (225) (174) to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )
.
(ab) TORQUE the bolts (104), (107) and (133) to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )
.
5. Close-upSBE 72-0189
SBE 75-0081
SBE 79-0088
(1) Put in position and connect the Fire Detection (System B) Harness as follows:
(a) Put the fire detection (system B) harness on the core engine in the correct position for installation (Ref. AMM TASK 71-52-42-000-010).
(2) Connect the fire detection (system B) harness
(a) Connect the electrical connectors:
1 Connect the connector 454VC at the aft pylon-interface-panel.
2 Connect the connector 4001WD2-A at the fire detector.
(3) Install the fire detection (system B) harness to the core engine
(a) The positions of the parts were written on removal. Make sure they are installed correctly during assembly (Ref. AMM TASK 71-52-42-000-010):
(b) Put the harness in the clip (125) (Ref. detail at S).
(c) Attach the clips (175) and (176) to the engine bracket with the bolt (177), the washers (178) and (179) and the nut (174) (Ref. detail at W).
(d) Put the spacer (172) between the clip (170) and the engine bracket in the correct position for installation. Attach the clip (170) and the spacer (172) to the engine bracket with the bolt (169), the washer (173) and the nut (171) (Ref. detail at V).
(e) Attach the clip (135) to the engine bracket with the bolt (133) and the washer (134) (Ref. detail at U).
(f) Attach the clip (130) to the engine bracket with the bolt (131), the washer (132) and the nut (129) (Ref. detail at T).
(g) Attach the clip (125) and the tube clip to the tube with the bolt (124), the washers (128) and (127) and the nut (126) (Ref. detail at S).
(h) Put the harness into the clips (103), (106) and (111) (Ref. detail at P, Q and R).
(i) Attach the clip (111) to the tube with the bolt (109), the washers (110) and (112) and the nut (113) (Ref. detail at R).
(j) Put the spacer (105) between the clip (106) and the engine bracket in the correct position for installation. Attach the clip (106) and the spacer (105) to the engine bracket with the bolt (107) and the washer (108) (Ref. detail at Q).
(k) Attach the clip (103) to the engine bracket with the bolt (104) (Ref. detail at P).
(l) Put the harness into the clips (80), (84) and (102) (Ref. detail at L, M and N).
(m) Attach the Ignition Supply Harness clip and the clip (102) to the engine bracket with the bolt (99), the washers (98) and (100) and the nut (101) (Ref. detail at N).
(n) Attach the clip (84) and the tube clip to the tube with the bolt (87), the washer (86) and the nut (85) (Ref. detail at M).
(o) Put the spacer (83) between the engine raceway clip and the tube in the correct position for installation. Attach the clip (80), the tube and the spacer (83) to the engine raceway clip with the bolt (82) and the nut (81) (Ref. detail at L).
(p) Put the harness into the clips (91) and (79) (Ref. detail at J and K).
(q) Attach the clip (79) to the engine raceway with the bolt (77), the washer (78) and the nut (76) (Ref. detail at K).
(r) Put the spacer (89) between the raceway end and the clip (91) in the correct position for installation. Attach the raceway end, the spacer (89), the clip (91) and the tube clip to the engine raceway with the bolt (88) and the nut (90) (Ref. detail at J).
(s) Put the harness into the clips (222),(212) and (204) (Ref. detail at AH, AG and AH).
(t) Put the spacer (223) between the tube and the clip in the correct position for installation. Attach the clip (222) and the spacer (223) to the tube (224) with the bolt (220), the washer (221) and the nut (225) (Ref detail at AH ).
(u) Attach the clip (212) to the tube (213) with the bolt (210), the washer (211) and the nut (214) (Ref. detail at AG).
(v) Attach the clips (202) and (204) to the tube (203) with the bolt (200), the washer (201) and the nut (205) (Ref. detail at AF).
(w) Pre SBN 71-0295
Put the harness into the clips (187) and (181) (Ref. detail at AD and AE).
SBN 71-0295
Put the harness into the clips (187) and (232) (Ref. detail at AD and AJ).
(x) Attach the clip (187) to the tube (188) with the bolt (185), the washer (186) and the nut (189) (Ref. detail at AE).
(y) Pre SBN 71-0295
Attach the clip (181) to the fire/ overheat detector bracket (182) and the tube (183) with the bolt (180) and the nut (184) (Ref. detail at AD).
(z) SBN 71-0295
Put the spacer (228) between the tube (231) and the clip (232) in the correct position for installation. Attach the clip (232) and the spacer (228) to the tube (231) with the bolt (226), the washer (227) and the nut (230) (Ref. detail at AJ).
(aa) TORQUE the nuts (90), (76), (81), (85), (101), (113), (126), (129), (171), (174), (184), (189), (205), (214) and (225) (174) to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )
. (ab) TORQUE the bolts (104), (107) and (133) to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )
. Subtask 71-52-42-869-052-A ** ON A/C NOT FOR ALL
A. Preparation before the test:
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).
(3) Do the EIS start procedure (upper ECAM only) (Ref. AMM TASK 31-60-00-860-001).
Subtask 71-52-42-710-051-A ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).
(3) Do the EIS start procedure (upper ECAM only) (Ref. AMM TASK 31-60-00-860-001).
B. Do this test:
(1) On the upper DU, make sure that the FIRE ENG1(2) LOOP A FAULT or FIRE ENG1(2) LOOP B FAULT message has gone out of view.
(2) Do an operational test of the fire detection system (Ref. AMM TASK 26-12-00-710-002).
Subtask 71-52-42-869-053-A ** ON A/C NOT FOR ALL Subtask 71-52-42-410-052-A ** ON A/C NOT FOR ALL (1) On the upper DU, make sure that the FIRE ENG1(2) LOOP A FAULT or FIRE ENG1(2) LOOP B FAULT message has gone out of view.
(2) Do an operational test of the fire detection system (Ref. AMM TASK 26-12-00-710-002).
D. Close the thrust reverser halves (Ref. AMM TASK 78-32-00-410-010):
(1) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(2) FOR [1000EM2] (ENGINE-2)
461AL 462AR
Subtask 71-52-42-440-050-A ** ON A/C NOT FOR ALL Subtask 71-52-42-410-053-A ** ON A/C NOT FOR ALL (1) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(2) FOR [1000EM2] (ENGINE-2)
461AL 462AR
Fire Detection (System B) Harness - Connector and Clip Point Locations