(a) Apply a layer of blendexite RT342/2 (Material No. CP2318) to the mating surface of the lower bracket.
(b) Attach the lower bracket to the forward frame with the bolts and the nuts.
(c) TORQUE the nuts to between 61 and 70 lbf.in (0.68 and 0.79 m.daN).
(d) Attach the upper half clamp to the lower bracket with the bolt and the washer.
(e) TORQUE the nut to between 27 and 30 lbf.in (0.30 and 0.33 m.daN).
(2) Installation of the Hydraulic Line Double Bracket
(a) Apply a layer of blendexite RT342/2 (Material No. CP2318) to the mating surface of the double bracket.
(b) Attach the double bracket to the forward frame with the bolts and the nuts.
(c) TORQUE the nuts to between 61 and 70 lbf.in (0.68 and 0.79 m.daN).
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(d) Attach the upper half clamps and the double flange to the double bracket with the bolts and the nuts.
(e) TORQUE the nut to between 27 and 30 lbf.in (0.30 and 0.33 m.daN).
(f) Attach the electrical harness to the double bracket with the clamp, bolt and nut.
(g) TORQUE the nut to between 30 and 40 lbf.in (0.33 and 0.45 m.daN).
(3) Installation of the Hydraulic Line Upper Bracket
(a) Apply a layer of blendexite RT342/2 (Material No. CP2318) to the mating surface of the upper bracket.
(b) Attach the upper bracket to the forward frame with the bolts and the nuts.
(c) TORQUE the nuts to between 61 and 70 lbf.in (0.68 and 0.79 m.daN).
(d) Attach the upper half clamp and the flange to the upper bracket with the bolts and the nuts.
(e) TORQUE the nuts to between 27 and 30 lbf.in (0.30 and 0.33 m.daN).
(f) Attach the electrical harness to the upper bracket with the clamp, bolt and nut.
(g) TORQUE the nut to between 30 and 40 lbf.in (0.33 and 0.45 m.daN).
NOTE : Apply a witness line of finish paint EA4 blue 5991
____ (Material No. CP2245) on all nuts and connections after they are torqued.
5. Close-up
________
Subtask 78-31-49-440-095
A. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041).
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B. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the fan cowl doors: (Ref. TASK 71-13-00-410-040)
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
(3) Remove the access platform(s).
(4) Remove the warning notice(s).
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TASK 78-31-49-000-005
Removal of the Hydraulic Junction Box
WARNING : WEAR A FACE SHIELD WHICH IS RESISTANT TO HIGH PRESSURE JETS WHEN YOU
_______
WORK ON PRESSURIZED SYSTEMS.
R WARNING : DO NOT GET THE FLUID ON YOUR SKIN OR IN YOUR EYES. IF YOU DO:
_______ R - FLUSH IT AWAY WITH CLEAN WATER R - GET MEDICAL AID.
CAUTION : USE 2 WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS.
_______
ONE WRENCH TO HOLD THE UNION AND ONE TO LOOSEN OR TIGHTEN THE
COUPLING NUT. THIS WILL PREVENT DAMAGE TO THE HARDWARE.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific container 1 USgal (4 L)
No specific protective cover
No specific warning notice
No specific access platform 1 m (3 ft. 3 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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