R **ON A/C 001-049, 101-105, 151-199, 201-210,
 Subtask 29-14-41-710-054-A
 C. Test of the Reservoir Pressurization Unit NOTE : Do a leak test on the reservoir pressurization unit (1) with the
____ air pressure supplied from both a ground supply and the low pressure air bleed. Do the test at the same time as the pressure is supplied.
 (1)
 Start the aircraft APU (Ref. TASK 49-00-00-860-008).

 (2)
 Make sure that the bleed air supply from the APU is set to supply the reservoir pressurizing system (Ref. TASK 36-12-00-710-001).

 (3)
 Apply SPECIAL MATERIALS (Material No. 05-004) to the connections of the air supply lines of the reservoir pressurization unit and make sure that there is no leak.

 (4)
 Stop the operation of the aircraft APU (Ref. TASK 49-00-00-860-009).

 (5)
 Pressurize the reservoirs of the Green, Blue and Yellow hydraulic systems (Ref. TASK 29-14-00-614-002).

 (6)
 Examine the connections of the air supply lines of the reservoir pressurization unit and make sure that there is no leak.

 (7)
 Make sure that the clogging indicators of the water separator filter

 (3) and the air filter (10) stay in during the test.

 (8)
 If one or both clogging indicators pop-out :

 (a)
 Depressurize the reservoirs of the Green, Yellow and Blue hydraulic systems. (Ref. TASK 29-14-00-614-001).

 (b)
 Reset the applicable clogging indicator (3), (10).

 (c)
 Pressurize the reservoirs of the hydraulic systems. (Ref. TASK 29-14-00-614-002).

 (9)
 If one or both clogging indicators pop-out again:

 -Replace the applicable filter (Ref. TASK 29-14-41-610-002) or (Ref. TASK 29-14-42-000-002) and (Ref. TASK 29-14-42-400-002).
R 1EFF : 001-049, 101-105, 151-199, 201-210, 1 29-14-41Page 409 1 1 May 01/05 1 1 1CES 1

R  **ON A/C 051-099, 
R  Subtask 29-14-41-710-054 
R  C. Test of the Reservoir Pressurization Unit 
R  NOTE : Do a leak test on the reservoir pressurization unit (1) with the____ 
R  air pressure supplied from both a ground supply and the low 
R  pressure air bleed. Do the test at the same time as the pressure 
R  is supplied. 
R  (1) Start the aircraft APU (Ref. TASK 49-00-00-860-003). 
R  (2) Make sure that the bleed air supply from the APU is set to supply the 
R  reservoir pressurizing system (Ref. TASK 36-12-00-710-001). 
R  (3) Apply SPECIAL MATERIALS (Material No. 05-004) to the connections of 
R  the air supply lines of the reservoir pressurization unit and make 
R  sure that there is no leak. 
R  (4) Stop the operation of the aircraft APU (Ref. TASK 49-00-00-860-004). 
R  (5) Pressurize the reservoirs of the Green, Blue and Yellow hydraulic 
R  systems (Ref. TASK 29-14-00-614-002). 
R  (6) Examine the connections of the air supply lines of the reservoir 
R  pressurization unit and make sure that there is no leak. 
R  (7) Make sure that the clogging indicators of the water separator filter 
R  (3) and the air filter (10) stay in during the test. 
R  (8) If one or both clogging indicators pop-out : 
R  (a) Depressurize the reservoirs of the Green, Yellow and Blue 
R  hydraulic systems. 
R  (Ref. TASK 29-14-00-614-001). 
R  (b) Reset the applicable clogging indicator (3), (10). 
R  (c) Pressurize the reservoirs of the hydraulic systems. 
R  (Ref. TASK 29-14-00-614-002). 
R  (9) If one or both clogging indicators pop-out again: 
R  - Replace the applicable filter (Ref. TASK 29-14-41-610-002) or 
R  (Ref. TASK 29-14-42-000-002) and (Ref. TASK 29-14-42-400-002). 

R 1EFF : 051-099, 1 29-14-41Page 410 1 1 May 01/05 1 1 1CES 1R **ON A/C 106-149, 211-299, 301-399, 401-499,

 Subtask 29-14-41-710-054-B
 C. Test of the Reservoir Pressurization Unit NOTE : Do a leak test on the reservoir pressurization unit (1) with the
____ air pressure supplied from both a ground supply and the low pressure air bleed. Do the test at the same time as the pressure is supplied.
 (1)
 Start the aircraft APU (Ref. TASK 49-00-00-860-005).

 (2)
 Make sure that the bleed air supply from the APU is set to supply the reservoir pressurizing system (Ref. TASK 36-12-00-710-001).

 (3)
 Apply SPECIAL MATERIALS (Material No. 05-004) to the connections of the air supply lines of the reservoir pressurization unit and make sure that there is no leak.
　
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