-in the cockpit, on the HYD section of the overhead panel 40VU.
(4)
On the overhead maintenance panel 50VU:
-make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(5)
Make sure that warning notice(s) is (are) in position to tell persons not to energize the FADEC 1(2).
(6)
Make sure that a container is below the suction-hose adapter connection to the hydraulic pump.
Subtask 29-11-49-865-054
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
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PANEL DESIGNATION IDENT. LOCATION
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121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
Subtask 29-11-49-010-066
D. Get Access
R (1) Make sure that the left fan cowl door is open: FOR 1000EM1
R - make sure that the door 437AL is open (Ref. TASK 71-13-00-010-040).
(2) Make sure that the access platform is in position at the engine.
4. Procedure
_________
(Ref. Fig. 403/TASK 29-11-49-991-906, 404/TASK 29-11-49-991-907)
Subtask 29-11-49-420-057
A. Installation of the Hydraulic Pressure Hose
(1)
Remove the protective covers from the tee-fitting, the ends of the pressure hose/tube (20), the fluid disconnect panel and the union in the hydraulic pump.
(2)
Loosely connect the pressure hose/tube (20) to the fluid disconnect panel. Do not TORQUE the coupling nut at this time.
(3)
Attach the pressure hose/tube (20) to the higher bracket with the clamp (15), the bolt (5) and the washer (10). Do not TORQUE the bolt at this time.
(4)
Loosely connect the pressure switch tube to the tee-fitting on the pressure hose/tube (20). Do not TORQUE the coupling nut at this time.
(5)
Attach the pressure hose/tube (20) to the two channels with the clamps (15), the bolts (5) and the washers (10). Do not TORQUE the bolts at this time.
(6)
Attach the pressure hose/tube (20) to the lower bracket with the clamp (15), the bolt (5) and the washer (10). Do not TORQUE the bolt at this time.
(7)
Install the center mount clamp (40) as follows:
(a)
Remove the bolt (25), the washer (30) and the nut (35) from the band on the pressure hose/tube (10) into its hole in the insert.
(b)
Put the band on the insert and install the bolt (25), the washer
(30) and the nut (35).
(c)
Make sure that the center mount clamp (40) is installed at a distance of 338 mm (13.3070 in.) below the flange of the pressure hose/tube.
(d)
TORQUE the nut (35) to between 0.23 and 0.28 m.daN (20.35 and
24.77 lbf.in).
(8)
Loosely connect the pressure hose/tube (20) to the union on the hydraulic pump. Do not TORQUE the nut at this time.
(9)
Make sure that the pressure hose/tube (20) is in the correct position on the engine.
NOTE : Use a second wrench to hold the fittings when you TORQUE the
____ coupling nuts. This prevents damage to the hose/tube assemblies.
(10)
TORQUE the coupling nuts on the two ends of the pressure hose/tube
(20) to between 9.66 and 10.6 m.daN (71.23 and 78.17 lbf.ft).
(11)
TORQUE the coupling nut on the pressure switch tube to between 2.42 and 2.76 m.daN (17.84 and 20.35 lbf.ft).
(12)
TORQUE the bolts (5) to between 0.23 and 0.28 m.daN (20.35 and 24.77 lbf.in).
(13)
Remove the container.
Subtask 29-11-49-865-050
B.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1702GK
Subtask 29-11-49-710-059
C. Operational test
(1) Do an operational test of the Green hydraulic system (Ref. TASK 29-11-00-710-001).
(2) During the dry motoring of the engine 1, make sure that there are no R leaks from the pressure hose/tube.
(3) Make sure that the level of the hydraulic fluid in the Green reservoir is correct. If necessary, fill the reservoir (Ref. TASK 12-12-29-611-001) or (Ref. TASK 12-12-29-611-002).
5. Close-up
________
Subtask 29-11-49-860-082
A. Aircraft Maintenance Configuration
(1)
Remove the access platform(s).
(2)
Make sure that the work area is clean and clear of tool(s) and other items.
Subtask 29-11-49-410-060
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