(11) Install the OIL IN tube (240) between the servo-fuel heater (80) and the hose (215) to the master magnetic chip detector as follows:
(a) Lightly coat gasket (155) with engine oil (Material No. CP2442). Lightly coat four bolts (150) with graphite grease (Material No. CP2101).
(b) Put the OIL IN tube (240) in its correct position between the servo fuel heater and the hose (215) to the master magnetic chip detector and attach it loosely to the hose (215) with the coupling nut (210).
(c) Engage the gasket (155) in sandwich between the square flange of tube (240) and the servo fuel heater. Then, engage the four bolts
(150) and tighten them by hand.
TORQUE the bolts (150) to between 47 and 51 lbf.in (0.53 and 0.57
m.daN).
(d) Place plastic bushings (160) and clamp (170) on tube (240) and attach clamp (170) together with clamp (220) and clamp (190), to bracket (180) with bolt (200) and nut (230).
NOTE : Make sure the three clamps (220), (170) and (190) are
____ installed in their correct position and orientation relative to the AGB bracket (180).
(e) TORQUE bolt (200) to between 47 and 51 lbf.in (0.53 and 0.57 m.daN).
(f) TORQUE coupling nut (210) of hose (215) to between 350 and 400 lbf.in (3.95 and 4.52 m.daN) to complete the forward connection of the OIL IN tube (240). Safety the coupling nut (210) with lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8001) or lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8002).
(12) Lightly coat the FUEL IN nipple (10) on the servo fuel heater (80), the nipple (255) on the FUEL IN tube (260) and the fuel pump nipple, with engine oil (Material No. CP2442).
(13) Loosely install the FUEL IN tube (250) between the servo fuel heater FUEL IN nipple (10) and the fuel pump nipple.
(14) TORQUE both coupling nuts of FUEL IN tube (250) to between 360 and 400 lbf.in (4.06 and 4.52 m.daN).
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(15) Connect the fuel pump HP hose (250) to the nipple (255) of FUEL IN tube (260) and TORQUE coupling nut of fuel pump HP hose (250) to between 135 and 150 lbf.in (1.52 and 1.69 m.daN).
(16) Attach the fire detection loop to bracket (40). Subtask 73-11-20-942-050
D. Put the aircraft back to the serviceable condition.
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Remove the warning notice(s). Subtask 73-11-20-710-051
E. Do a minimum idle check and make sure that there are no leaks at tube connections on servo fuel heater (Ref. TASK 71-00-00-710-006).
5. Close-up
________ Subtask 73-11-20-410-052
A. Close the left fan cowl door: (Ref. TASK 71-13-00-410-040)
FOR 1000EM1
437AL
FOR 1000EM2
447AL
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SERVO FUEL HEATER - INSPECTION/CHECK
____________________________________ TASK 73-11-20-210-002 Visual Inspection/Check of the Servo Fuel Heater
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 73-11-20-000-002 Removal of the Servo Fuel Heater 73-11-20-400-002 Installation of the Servo Fuel Heater
3. Job Set-up
__________ Subtask 73-11-20-941-053
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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本文链接地址：A320飞机维护手册 AMM 发动机燃油和控制 ENGINE FUEL AND CONTRO(49)
