R R R/I Downstream Filter Figure 401/TASK 73-11-45-991-302- 33 (SHEET 3)
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TASK 73-11-45-400-001
Installation of the Fuel Nozzle Filter
1. Reason for the Job
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R NOTE : This task is only applicable POST SB CFM 73-071
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2. Job Set-up Information
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A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice
No specific Torque Wrench : range 36.00 to 220.00 lbf.in
(0.40 to 2.60 m.daN)
No specific Torque Wrench : range 96.00 to 900.00 lbf.in
(1.00 to 10.00 m.daN)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. CP2101 * R graphite grease (Ref. 70-30-00) Material No. CP2422 * engine oil (Ref. 70-30-00) Material No. CP2442 * engine oil (Ref. 70-30-00)
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C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
70-21-00-918-002
71-00-00-710-006
71-13-00-010-040
71-13-00-410-040
78-30-00-081-041
78-30-00-481-041
78-36-00-010-040
78-36-00-410-040
R 73-11-45-991-302
R 3. Job Set-up__________
R Subtask 73-11-45-860-055 Seals (Preformed Packings and O-rings) and GasketsMinimum Idle CheckOpening of the Fan Cowl DoorsClosing of the Fan Cowl DoorsMake the Thrust Reverser Serviceable after MaintenanceMake the Thrust Reverser Unserviceable for MaintenanceOpening of the Thrust Reverser DoorsClosing of the Thrust Reverser Doors Fig. 401
R A. Aircraft Maintenance Configuration
R (1) On the center pedestal, on the ENG panel 115VU, make sure that a R warning notice is in position to tell persons not to start the R engine.
R (2) On the overhead maintenance panel 50VU, make sure that the ON legend R of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure R that a warning notice is in position to tell persons not to energize R the FADEC 1(2).
R Subtask 73-11-45-010-065
R B. Get Access
R (1) Make sure that the fan cowl doors are open: (Ref. TASK 71-13-00-010-R 040) R FOR 1000EM1 R 437AL, 438AR R FOR 1000EM2 R 447AL, 448AR
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E E Nov 01/03 E E ECES ER (2) Make sure that the thrust reverser doors are open: (Ref. TASK 78-36-R 00-010-040) R FOR 1000EM1 R 451AL, 452AR R FOR 1000EM2 R 461AL, 462AR
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R Subtask 73-11-45-040-059
R C. Make sure that the thrust reverser is unserviceable (Ref. TASK 78-30-00-R 481-041).
R 4. Procedure
_________ R (Ref. Fig. 401/TASK 73-11-45-991-302) R Subtask 73-11-45-210-053 R A. Do a check of gaskets (50) and (80) (Ref. TASK 70-21-00-918-002). If in
R good condition, use them again. If not, discard and replace by new R one(s). R NOTE : The gaskets are not expendable parts. They are disposable items
____ R which you replace only if not in good condition. R Subtask 73-11-45-420-054 R B. Installation of the Fuel Nozzle Filter
R (1) Place the fuel nozzle filter (120).
R (2) Install the 3 bolts (100), the 3 washers (130) and the 3 nuts (110).
R Tighten nuts (110) by hand.
R (3) TORQUE nuts (110) to between 98 and 110 lbf.in (1.10 and 1.24 m.daN).
R (4) Lightly coat gasket (80) with engine oil (Material No. CP2442).
R Lightly coat 4 bolts (70) with graphite grease (Material No. CP2101).
R (5) Put the fuel tube (90) in its correct position on the fuel outlet
R port of the fuel nozzle filter (120). Engage the gasket (80) between
R the square flange of fuel tube (90) and the fuel nozzle filter (120).
R (6) Install the 4 bolts (70) and ensure that the bolts engage freely by
R hand as follows:
R NOTE : The use of tools is not allowed.
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