LPTACC Valve
 Figure 401/TASK 75-22-10-991-300- 22 (SHEET 2)
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 Exploded View of LPTACC Valve Installation
 Figure 402/TASK 75-22-10-991-301- 12 (SHEET 1)
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 Exploded View of LPTACC Valve Installation
 Figure 402/TASK 75-22-10-991-301- 22 (SHEET 2)
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 E 56-5B E E E NOTE : The inboard bracket (130), which is core engine bracket, is

____
 not removed.

 (9) Disassemble the LPTACC valve (90), the bracket (150) and the airscoop
 (100) to move these 3 items apart:
 (a) Put the assembly on a workbench.

 (b) Remove the 6 bolts (70) which attach:

 - The large, vertical leg of item (150) to the item (100) with the circular flange of item (90) in between. Thus, remove 2 bolts (70).

 - The circular flange of item (90) directly to the item (100). Thus, remove the last 4 bolts (70).

 (c) Remove the 2 bolts (160) which attach the small, horizontal leg of item (150) directly to the body of valve (90).

 (10) Put blanking plugs on the disconnected line ends.

 (11) Put blanking caps and/or protective covers on all the disconnected air and fuel orifices of items (90), (50), (100), (80) and (20).

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 TASK 75-22-10-400-002
 Installation of the Low Pressure Turbine Active Clearance Control (LPTACC) Valve
 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
 No specific access platform 1 m (3 ft. 3 in.)
 No specific Torque Wrench : range 36.00 to 220.00 lbf.in

 (0.40 to 2.60 m.daN)
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. CP2101 USA MIL-T-5544
 graphite grease (Ref. 70-30-00)
 Material No. CP2442 *
 engine oil (Ref. 70-30-00)

 C. Expendable Parts
 -------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
40 gasket 75-22-10 01B-030
 40 gasket 75-22-10 01B-030A R 40 gasket 75-22-10 01B-030B R 40 gasket 75-22-10 01B-030C
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 D. Referenced Information

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
R from the External Power 71-00-00-710-006 Minimum Idle Check 71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 78-30-00-081-041 Make the Thrust Reverser Serviceable after
 Maintenance
 78-30-00-481-041 Make the Thrust Reverser Unserviceable for

 Maintenance
 78-36-00-010-040 Opening of the Thrust Reverser Doors
 78-36-00-410-040 Closing of the Thrust Reverser Doors
 75-22-10-991-300 Fig. 401
 75-22-10-991-301 Fig. 402

 3. Job Set-up
__________
 Subtask 75-22-10-860-051
 A. Aircraft Maintenance Configuration
 (1) On the center pedestal, on the ENG panel 115VU, make sure that a warning notice is in position to tell persons not to start the engine.

 (2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a warning notice is in position to tell persons not to energize the FADEC 1(2).
　
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