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TASK 73-11-50-360-002 Leak Check of the Fuel Return Valve
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
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No specific soft nose pliers No specific warning notice
B. Referenced Information
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71-00-00-710-006 Minimum Idle Check 71-00-00-710-028 Engine Shutdown 71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 73-29-00-710-040 Operational Test of the FADEC on the Ground (with
Engine Non motoring) 73-11-50-991-307 Fig. 403
3. Job Set-up
__________ Subtask 73-11-50-941-057
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a warning notice to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
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(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a warning notice to tell persons not to energize the FADEC 1(2).
Subtask 73-11-50-010-058
B. Open the fan cowl doors: (Ref. TASK 71-13-00-010-040)
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
4. Procedure
_________
Subtask 73-11-50-360-055
A. Leak check of the fuel return valve
(1) Disconnect the electrical connector C132 of HJ13 harness from the oil temperature sensor. (Ref. Fig. 403/TASK 73-11-50-991-307)
(2) Do a minimum idle check (Ref. TASK 71-00-00-710-006).
(a) Ignore FADEC 1(2) maintenance status.
(b) Make specially sure there is no leaks at the FRV tubing connections while the engine operates.
(3) Stop the engine (Ref. TASK 71-00-00-710-028).
(a) Make sure that the FADEC 1(2) maintenance status is associated to the CFDS message EOT SNSR, J13, ECU.
(4) Connect the electrical connector C132 of HJ13 harness to the oil temperature sensor. Tighten the connector finger tight plus one eight turn with soft nose pliers.
Subtask 73-11-50-710-050
B. Do an operational test of the FADEC with engine non motoring (Ref. TASK 73-29-00-710-040).
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Electrical Harness HJ13
Figure 403/TASK 73-11-50-991-307
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________ Subtask 73-11-50-410-057
A. 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 warning notice(s).
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FUEL RETURN VALVE - INSPECTION/CHECK
____________________________________ TASK 73-11-50-210-002 Inspection/Check of the Fuel Return Valve
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
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