(h)
 Engage the sleeves (8) on the clamp (16).

 (i)
 Install the bonding braids (5), the bolts (7), the nuts (6) and tighten the nuts (6).

 (j)
 Install the clamps (1), the bolts (9), the nut (10) and tighten the nuts (10).

 (3)
 Connection of the fuel recirculation check valve (Ref. Fig. 401/TASK 54-50-00-991-001)

 NOTE : Do an electrical bonding when you install the bolt (6) and the
____
 screws (7) (Ref. TASK 20-28-00-912-002).

 (a)
 Install the plates (1) on the check valve.

 (b)
 Install the plate (2), the seal (3).

 (c)
 Install the flanges.

 (d)
 Install the washers (4) and the bolts (5).

 (e)
 Tighten the bolts (5).

 (f)
 Safety the bolts with corrosion resistant steel lockwire 0.8 mm

 (0.32 in.) dia. MISCELLANEOUS (Material No. 19-010).

 (g)
 Put the bonding strip (8) in position.

 1EFF : ALL 1 54-50-00Page 434 1 1 Aug 01/05R 1 1 1CES 1

R (h) Install the bolts (6), the nut (7) and tighten it. Subtask 54-50-00-420-055
 J. Installation of the Engine Fire-Extinguisher Bottles
 (1)
 Install the fire extinguisher bottles (Ref. TASK 26-21-41-400-001). Subtask 54-50-00-420-056

 K. Installation of the Fairings
 (1)
 Install the aft movable fairing (Ref. TASK 54-55-00-400-001).

 (2)
 Install the lower fairing (Ref. TASK 54-56-00-400-001).

 (3)
 Install the aft fixed fairing (Ref. TASK 54-54-00-400-001).
 Subtask 54-50-00-420-057

 L. Installation of the Components
 (1)
 Install the engines (Ref. TASK 71-00-00-400-040).

 (2)
 Install the thrust reverser cowl doors (Ref. TASK 78-32-11-400-040).

 (a)
 FOR 1000EM1
 451AL, 452AR

 (b)
 FOR 1000EM2
 461AL, 462AR

R (3) Install the fan cowl doors (Ref. TASK 71-13-11-400-040).
 (a)
 FOR 1000EM1
 437AL, 438AR

 (b)
 FOR 1000EM2
 447AL, 448AR

 Subtask 54-50-00-210-054

 M. Visual Inspection of the Pylon-to-Wing Interface Junctions
 (1) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
 (2) When you do the tests necessary after an engine removal, do an inspection of the system lines/wiring at the pylon-to-wing interface. This is to make sure that:
 (a) There are no fuel or hydraulic leaks. 
R  (b) There are no air leakages at the bleed air duct connections.
 (c) The electrical cables are correctly connected.
 5. Close-up________
 Subtask 54-50-00-410-050
 A. Installation of the Access Panels 
R  (1) Put an access platform in position: 
R  (a) For the left pylon at zone 470. 
R  (b) For the right pylon at zone 480.
 (2) Install the access panels:
 (a) For the left pylon: 413EL, 471AL, 471BL, 471CL, 472BR, 472AR, 414FR, 414CR, 414AR.
 (b) For the right pylon: 424AR, 424CR, 424ER, 482AR, 482BR, 482CR, 423FL, 481AL, 481BL.
 (c) For the left wing: 521BT, 521EB.
 (d) For the right wing: 621BT, 621EB.

 Subtask 54-50-00-865-052

 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU ENGINE/2/HP FUEL SOV 1KC2 A02 49VU ENGINE/1/HP FUEL SOV 1KC1 A01 49VU ANTI ICE/PROBES/AOA/1 4DA1 D04 49VU ANTI ICE/PROBES/PHC/1 2DA1 D03 49VU ANTI ICE/PROBES/PITOT/1 3DA1 D02 121VU HYDRAULIC/HYD POWER/Y 3803GX N30 122VU ANTI ICE/ENG/2 1DN2 W10 122VU ANTI ICE/PROBES/PHC/3 2DA3 Y16 122VU ANTI ICE/PROBES/2/TAT 1DA2 Y15 122VU ANTI ICE/PROBES/2/PITOT 3DA2 Y14 122VU ANTI ICE/PROBES/2/AOA 4DA2 Y13 122VU ANTI ICE/PROBES/2/PHC 2DA2 Y12 122VU ANTI ICE/PROBES/2/STATIC 5DA2 Y11 122VU ANTI ICE/PROBES/3/PITOT 3DA3 Z16 122VU ANTI ICE/PROBES/3/AOA 4DA3 Z15 122VU ANTI ICE/PROBES/1/STATIC 5DA1 Z13 122VU ANTI ICE/PROBES/1/TAT 1DA1 Z12 123VU Y HYD/ELEC/PUMP 3802GX AB06 123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03
 Subtask 54-50-00-942-050
 C. Close Access
 (1)
 Remove the ground support and maintenance equipment, the special and standard tools and all other items.
　
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