-437AL, 438AR (Ref. TASK 71-13-00-010-040).
(2)
Make sure that the access door 195BB is open.
(3)
Make sure that the access platform is in position at the engine.
4. Procedure
_________ R (Ref. Fig. 411/TASK 29-11-49-991-913) Subtask 29-11-49-420-072
A. Installation of the Check Valve Restrictor Tubes
(1)
Connect the tube (30) to the HCU. Do not torque the coupling nut at this time.
(2)
Put the clamps (10) on the tube (30). Install the bolts (5), washers
(20) and nuts (25) that attach the clamps to the engine brackets at the flange STA199 (A2). (3 locations). Do not torque the nuts at this time.
(3)
Connect the tube (30) to the tube (15). Do not torque the coupling nut at this time.
(4)
Put the clamp (10) on the tube (15). Install the bolt (5), washer
(20) and nut (25) that attach the clamp to the engine bracket at the flange STA199 (A2). Do not torque the nuts at this time.
(5)
Put the clamp (10) on the tube (15). Install the bolt (5), washer
(20) and nut (25) that attach the clamp to the engine bracket at the flange STA185 (B5). Do not torque the nuts at this time.
(6)
Connect the tube (15) to the tee fitting on the upper case drain tube. Do not torque the coupling nut at this time.
(7)
Make sure that the tubes (15) and (30) are correctly aligned with each other, the HCU and the tee fitting on the upper case drain tube.
(8)
TORQUE the coupling nut on the tube (15) to between 135 and 145 lbf.in (1.52 and 1.63 m.daN).
NOTE : Use a second wrench to hold the tee fitting when you torque
____
the tube coupling nut.
(9) TORQUE the coupling nuts on the two ends of the tube (30) to between 85 and 100 lbf.in (0.96 and 1.13 m.daN).
NOTE : Use a second wrench to hold the tube (15) and the fitting on
____ the HCU when you torque the tube coupling nut.
(10) TORQUE the nut (25) to between 20 and 25 lbf.in (0.22 and 0.28 m.daN).
5. Close-up
________ Subtask 29-11-49-860-098
A. Aircraft Maintenance Configuration
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Remove the access platform(s).
Subtask 29-11-49-410-067
B. Close Access
(1) Close the fan-cowl doors:
-437AL, 438AR (Ref. TASK 71-13-00-410-040).
(2)
Close the door 195BB. Subtask 29-11-49-942-067
C.
Safety Precautions
(1)
Remove the warning notice(s). Subtask 29-11-49-865-068
D.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1702GK
HYDRAULIC TUBES - ENGINE 1 - INSPECTION/CHECK
_____________________________________________
TASK 29-11-49-210-002
Visual Inspection of the Hydraulic Hoses and Tubes
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
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
No specific warning notice
No specific access platform 1 m (3 ft. 3 in.)
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
29-11-49-000-001 Removal of the Hydraulic Suction Hose/Tube Assembly 29-11-49-000-002 Removal of the Hydraulic Pressure Hose/Tube Assembly 29-11-49-000-003 Removal of the Top Case Drain Hose/Tube Assembly 29-11-49-000-004 Removal of the Lower Case Drain Hose/Tube Assembly 29-11-49-000-005 Removal of the Hydraulic Low-Pressure Switch Tube
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