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 (2)
 Open the thrust-reverser cowl doors (Ref. TASK 78-36-00-010-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR

 (3)
 Put an access platform in position below the engine.

 4. Procedure
_________
 (Ref. Fig. 503/TASK 36-11-00-991-026)
 **ON A/C 001-049, 051-099, 101-149, 201-299, 301-399,

 (Ref. Fig. 504/TASK 36-11-00-991-023) R **ON A/C 151-199, 401-499,
 (Ref. Fig. 504A/TASK 36-11-00-991-023-A)
 **ON A/C ALL

 Subtask 36-11-00-720-054
 A. Functional Test of the Sense Lines Upstream of the Bleed Pressure Regulator Valve (4001HA) and Connected to the Control Solenoid (10HA1, 10HA2)
 (1)
 Use a crow foot wrench to disconnect the sense line (2) from the duct (1).

 (2)
 Put a blanking plug on the duct (1).

 (3)
 Connect the TEST SET - ENGINE BLEED SYSTEM (98D36003000000) or TEST SET - ENGINE BLEED SYSTEM (98F36003002000) to the disconnected sense line (2).

 Control Solenoid of the Bleed Pressure-Regulator Valve
 Figure 503/TASK 36-11-00-991-026

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 Test of the Upstream Sense Line between the Bleed Pressure-Regulator Valve and
 the Control Solenoid
 Figure 504/TASK 36-11-00-991-023

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 Test of the Upstream Sense Line between the Bleed Pressure-Regulator Valve and
 the Control Solenoid
 Figure 504A/TASK 36-11-00-991-023-A

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 (4) 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 35 psi (2.4131
 pressurize the pressure source  bar).
 to 35 psi (2.4131 bar).
 3. On the test set:  On the test set:
 - slowly pressurize the system  - the gage of the pressure regulator
 No.2 up to 30 psi (2.0684 bar).  No.2 shows 30 psi (2.0684 bar).
 4. On the test set:  On the test set:
 - close the shutoff valve of the  - make sure that the indication shown
 air cylinder.  on the gage of the pressure regulator
 No.1 does not decrease to 0 psi
 (0.0000 bar) in less than 20 seconds.
 5. Depressurize the system.
 6. Disconnect the test set from the
 sense line (2).
 7. Remove the blanking plug from the
 duct (1).
 8. Use a crow foot wrench to connect
 the sense line (2) to the duct
 (1).
 9. Use a crow foot wrench to
 disconnect the sense line (3)
 from the bleed pressure regulator
 valve (4).
 10. Put a blanking plug on the bleed
 pressure regulator valve (4).
 11. Connect the TEST SET - ENGINE
 BLEED SYSTEM (98D36003000000) or

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 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
TEST SET - ENGINE BLEED SYSTEM (98F36003002000) to the disconnected sense line (3).
 12.
 On the test set:

- open the shutoff valve of the air cylinder.

13.
 On the test set:

-use the primary regulator to pressurize the pressure source to 35 psi (2.4131 bar).

 14.
 On the test set:

-slowly pressurize the system No.1 up to 30 psi (2.0684 bar).

 15.
 On the test set:

-close the shutoff valve of the air cylinder.

16.
 Depressurize the system and the pressure source.

 5. Close-up________
 Subtask 36-11-00-860-061On the test set:
-
the pressure gage of the air cylindershows the pressure.

On the test set:

-
the primary gage shows 35 psi (2.4131bar).

On the test set:

-
the gage of the pressure regulatorNo.1 shows 30 psi (2.0684 bar).