(2)
Loosely connect the higher pressure relief valve hose/tube (25) to
the lower pressure relief valve tube (30).
(3)
Loosely connect the higher pressure relief valve tube (25) to the
pressure relief valve interface.
(4)
Attach the higher pressure relief valve tube (25) to the engine
brackets at the flange STA.199(A2). Install the bolts (5), the
washers (10), the nuts (15) and the clamps (20) (3 positions).
(5)
Make sure that the higher pressure relief valve tube (25) is in the correct position on the engine.
(6)
TORQUE the coupling nuts on the higher pressure relief valve tube
(25) to between 1.70 and 1.82 m.daN (12.53 and 13.42 lbf.ft).
NOTE : Use a second wrench to hold the lower pressure relief valve
____ tube and the pressure relief valve interface fitting when you TORQUE the coupling nuts.
(7)
TORQUE the nuts (15) to between 0.23 and 0.28 m.daN (20.35 and 24.77 lbf.in).
(8)
Remove the protective covers from the lower pressure relief valve tube (30), the fitting on the top case drain hose/tube and the higher pressure relief valve hose/tube (25).
(9)
If not done before, loosely connect the lower pressure relief valve tube (30) to the higher pressure relief valve hose/tube (25).
(10)
Loosely connect the lower pressure relief valve tube (30) to the fitting on the top case drain hose/tube.
(11)
Attach the lower pressure relief valve tube (30) to the engine bracket at the flange STA.199(A2). Install the bolt (5), the washer (10), the nut (15) and the clamp (20).
(12)
Attach the lower pressure relief valve tube (30) to the engine bracket at the flange STA.185(B5). Install the bolt (5), the washer (10), the nut (15) and the clamp (20).
(13)
Make sure that the lower pressure relief valve tube (30) is in the correct position on the engine.
(14)
If not done before, TORQUE the coupling nut on the higher pressure relief valve to between 1.70 and 1.82 m.daN (12.53 and 13.42 lbf.ft).
NOTE : Use a second wrench to hold the lower pressure relief valve
____ tube when you TORQUE the coupling nut on the higher pressure relief valve tube.
(15) TORQUE the coupling nut on the lower pressure relief valve tube (30) to between 0.96 and 1.13 m.daN (84.95 and 99.99 lbf.in).
NOTE : Use a second wrench to hold the fitting on the top case drain
____ tube when you TORQUE the coupling nut on the lower pressure relief valve tube.
(16) TORQUE the nuts (15) to between 0.23 and 0.28 m.daN (20.35 and 24.77 lbf.in).
Subtask 29-13-49-710-064
B. Operational Test
(1)
Pressurize the Yellow hydraulic reservoir (Ref. TASK 29-14-00-614-002).
(2)
Do an operational test of the Yellow hydraulic system (Ref. TASK 29-13-00-710-002).
(3)
During the dry motoring of the engine 2, make sure that there are no leaks from the suction hose/tube.
(4)
Make sure that the level of the hydraulic fluid in the Yellow reservoir is correct. If necessary, fill the reservoir (Ref. TASK 12-12-29-611-001) (Ref. TASK 12-12-29-611-002).
5. Close-up
________ Subtask 29-13-49-410-067
A. Close Access
(1)
Remove the container.
(2)
Remove the warning notice(s).
(3)
Remove the access platform(s).
(4)
Make sure that the work area is clean and clear of tool(s) and other items.
R (5) Close the left fan-cowl door (Ref. TASK 71-13-00-410-040): FOR 1000EM2 close the door 447AL.
(6) Close the door 195BB.
TASK 29-13-49-000-007
Removal of the Check Valve Restrictor Tubes (for Engine 2 1000EM2)
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
WARNING : DO NOT TOUCH THE HYDRAULIC SYSTEM COMPONENTS FOR A SHORT TIME AFTER
_______ THE ENGINE IS SHUTDOWN. THE ENGINE COMPONENTS STAY HOT FOR SOME TIME AND CAN CAUSE INJURY.
CAUTION : DO NOT LET HYDRAULIC FLUID FALL ON THE ENGINE. UNWANTED HYDRAULIC
_______ FLUID MUST BE REMOVED IMMEDIATELY WITH A CLEAN LINT FREE CLOTH. THE FLUID CAN CAUSE DAMAGE TO THE SURFACE PROTECTION AND TO SOME PARTS.
1. Reason for the Job
__________________
This task is effective post SB RA32178-1 This task is for the removal of the check valve restrictor tubes for engine 2 1000EM2. For the removal of the check valve restrictor tubes for engine 1 1000EM1 (Ref.Task 29-11-49-000-00700).
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