R No specific Torque Wrench : range 0.00 to 1.20 m.daN R (0.00 to 9.00 lbf.ft) No specific Torque Wrench : range 0.20 to 3.60 m.daN
(2.00 to 26.00 lbf.ft)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
No specific corrosion resistant steel lockwire 0.8 mm DIA.
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C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through
the Ground Connector 71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 78-31-00-710-042 Operational Test of the Thrust Reverser System 78-37-51-991-300 Fig. 401
3. Job Set-up
__________
Subtask 78-37-51-860-050
A. Aircraft Maintenance Configuration
(1) On the center pedestal, on the ENG panel 115VU, make sure that a warning notice 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 is in position to tell persons not to energize the FADEC 1(2).
(3) Make sure that the access platform is in position.
Subtask 78-37-51-010-051
B. Make sure that the fan cowl doors are open (Ref. TASK 71-13-00-010-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
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C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 1000EM1
121VU ENG1/REV/LOCK 1EG1 N44 FOR 1000EM2
121VU ENG2/REV/LOCK 1EG2 N45
Subtask 78-37-51-614-051
D. Make sure that the hydraulic reservoirs are depressurized
(1) For engine 1 depressurize the green hydraulic reservoir (Ref. TASK 29-14-00-614-001).
(2) For engine 2 depressurize the yellow hydraulic reservoir (Ref. TASK 29-14-00-614-001).
4. Procedure
_________
Subtask 78-37-51-420-050
A. Installation of the Thrust Reverser Hydraulic Isolation Valve
(Ref. Fig. 401/TASK 78-37-51-991-300)
(1) Put a protective cloth in the location where you will install the thrust reverser isolation valve. The hydraulic fluid will cause damage to the engine.
(2) Put the thermal isolation (155) between the spacers (27) and (26) in position on the support plate (5).
NOTE : You must install the shortest spacer (26) on isolation valve
____
side.
(3) Put the isolation valve (45) in position on the support plate (5) with the four bolts (35), washers (30) and spacers (25). Do not tighten the bolts.
(4) Install and connect the pressure supply tube (125) between the filter and the isolation valve (45).
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(5) Remove the blanking plugs from the ports of the isolation valve and filter.
(6) Remove the blanking plugs from the disconnected line ends.
(7) TORQUE the four bolts (35) to between 0.56 and 0.79 m.daN (49.55 and
69.91 lbf.in).
(8) Safety the bolts (35) with corrosion resistant steel lockwire 0.8 mm DIA.
(9) Remove the tube (125).
(10) Install the assembly support plate (5) with the isolation valve (45) in position below the pylon with the bolts (20) and (50) and washers (15). Do not tighten the bolts.
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