-
make sure that the ENG 1(2) BLEED pushbutton switch is released (the OFF legend is on),

 -
make sure that the APU BLEED pushbutton switch is released (the ON legend is off),

 -put a warning notice to tell persons not to operate the pneumatic system.

 (3)
 On the ENG panel 115VU:

 -put a warning notice to tell persons not to start the engine 1(2).

 (4)
 On the HP ground connector:

 -Put a warning notice to tell persons not to pressurize the pneumatic system.

 (5)
 On the ENG section of the maintenance panel 50VU:

 -make sure that the ON legend of the ENG/FADEC GND PWR 1(2) pushbutton switch is off,
 -put a warning notice to tell persons not to energize the FADEC 1(2).
 Subtask 36-11-54-010-051
 C. Get Access
 (1)
 Open the fan cowl doors (Ref. TASK 71-13-00-010-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR

 (2)
 Put the access platform in position below the engine.

 Subtask 36-11-54-040-050
 D. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
 Subtask 36-11-54-010-052
 E. Open the thrust reverser doors (Ref. TASK 78-36-00-010-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
 4. Procedure
_________
R **ON A/C 001-003, 051-054,
 (Ref. Fig. 501/TASK 36-11-54-991-003)
R **ON A/C 004-049, 055-099, 101-149, 151-199, 201-299, 301-399,
 (Ref. Fig. 501A/TASK 36-11-54-991-003-A)

 Functional Test of the Opening of the Fan Air Valve
 Figure 501/TASK 36-11-54-991-003

R 1EFF : 001-003, 051-054, 1 36-11-54Page 504 1 1 May 01/05 1 1 1CES 1

 Functional Test of the Opening of the Fan Air Valve Figure 501A/TASK 36-11-54-991-003-A
R 1EFF : 004-049, 055-099, 101-149, 151-199, 1 36-11-54Page 505 1201-299, 301-399, 1May 01/05 1 1 1CES 1

R **ON A/C 401-499,

R (Ref. Fig. 501B/TASK 36-11-54-991-003-B) **ON A/C 001-003, 051-054,
 Subtask 36-11-54-020-051
 A. Disconnect the Sense Line
 (1)
 Disconnect the sense line between the fan air valve and the control thermostat, from the union of the fan air valve.

 (2)
 Install a blanking plug on the union of the fan air valve.

 (3) Remove the blanking plug from the test port of the fan air valve. R **ON A/C 004-049, 055-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 Subtask 36-11-54-020-051-A
 A. Disconnect the Sense Line
 (1)
 Disconnect the sense line between the fan air valve and the control thermostat, from the union of the fan air valve.

 (2)
 Install a blanking plug on the union of the fan air valve.

 (3) Remove the blanking plug from the test intake of the fan air valve. **ON A/C ALL
 Subtask 36-11-54-480-050
 B. Connect the TEST SET - ENGINE BLEED SYSTEM (98D36003000000) or TEST SET -ENGINE BLEED SYSTEM (98F36003002000) or equivalent to the test port of the fan air valve.

R Functional Test of the Opening of the Fan Air Valve R Figure 501B/TASK 36-11-54-991-003-B
R 1EFF : 401-499, 1 36-11-54Page 507 1 1 Aug 01/05 1 1 1CES 1

 Subtask 36-11-54-720-050

 C. Do this test:
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the test set:  On the test set:
 - open the shutoff valve of the  - the pressure gage of the air cylinder
 air cylinder.  shows the pressure.
 2. On the test set:  On the test set:
 - use the primary regulator to  - the primary gage shows 25 psi (1.7236
 pressurize the pressure source  bar).
 to 25 psi (1.7236 bar).
 3. On the test set:  On the fan air valve:
 - slowly pressurize the system  - the visual indicator shows that the
 with the pressure regulator  valve is fully open.
 No.1 up to 25 psi (1.7236 bar)
 The fan air valve must be fully
 open at a maximum of 20 psi
 (1.3789 bar).
 4. On the test set:  On the fan air valve:
 - depressurize the system, the  - the visual indicator moves from the
 pressure source and close the  fully open position to the fully
 shutoff valve of the air  closed position.
 cylinder.
 5. Close-up________
 **ON A/C 001-003, 051-054,
 Subtask 36-11-54-080-050
　
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