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 S 035-046
 (23) Disconnect the water manometer from the ejector and the pressure switch.
 NOTE: Do not do this if you will do the the leakage test.
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 S 435-047
 (24) Connect the vacuum sense line to the ejector body and the pressure switch.
 NOTE: Do not do this if you will do the leakage test.
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 I. Smoke Sampling Port Air Flow Test (Zones 1-6)
 S 975-345
 (1)  FREIGHTERS; Use a hot wire anemometer and adapter to examine the air velocity at each orifice in zone 1 of the main deck cargo compartment.
 -
STA 243, BL 0.0

 -
STA 290, RBL 38.8

 -
STA 290, LBL 34.4

 -
STA 333.0, RBL 5.7

 -
STA 385, RBL 37.5

 -
STA 385, LBL 38.5

 NOTE: Examine velocity in feet per minute.
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MAINTENANCE MANUAL

 (2)  S 975-049Make sure the air velocity is 150 feet per minute minimum at each orifice.
 (3)  S 975-310Calculate zone 1 smoke sampling port velocity delta (PVD), use the following formula:
 PVD = maximum smoke sampling port velocity - minimum smoke sampling port velocity.
 (4)  S 975-311Make sure zone 1 smoke sampling port velocity delta (PVD) do not exceed 100 feet per minute.
 (5)  S 975-111Make sure the air velocity is 150 feet per minute minimum at each orifice.
 (6)  S 975-340Calculate zone 2 smoke sampling port velocity delta (PVD), use the following formula:
 PVD = maximum smoke sampling port velocity - minimum smoke sampling port velocity.
 (7)  S 975-341Make sure zone 2 smoke sampling port velocity delta (PVD) do not exceed 100 feet per minute.
 (8)  S 975-208Use a hot wire anemometer and adapter to examine the air velocity at each orifice in zone 3 of the main deck cargo compartment.
 - STA 583, RBL 59.7 - STA 583, LBL 61.7 - STA 625, LBL 3.7 - STA 663, RBL 59.7 - STA 663, RBL 3.7 - STA 663, LBL 61.2
 (9)  S 975-113Make sure the air velocity is 150 feet per minute minimum at each orifice.

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MAINTENANCE MANUAL

 S 975-312
 (10) Calculate zone 3 smoke sampling port velocity delta (PVD), use the following formula:
 PVD = maximum smoke sampling port velocity - minimum smoke sampling port velocity.
 S 975-313
 (11)
 Make sure zone 3 smoke sampling port velocity delta (PVD) do not exceed 100 feet per minute.

 S 975-210

 (12)
 Use a hot wire anemometer and adapter to examine the air velocity at each orifice in zone 4 of the main deck cargo compartment.

 -
STA 725, RBL 6.0

 -
STA 770, RBL 60.0

 -
STA 770, RBL 3.0

 -
STA 770, LBL 60.0

 -
STA 825, RBL 3.0

 -
STA 865, RBL 3.0

 

 S 975-115
 (13)
 Make sure the air velocity is 150 feet per minute minimum at each orifice.

 S 975-314

 (14)
 Calculate zone 4 smoke sampling port velocity delta (PVD), use the following formula:

 PVD = maximum smoke sampling port velocity - minimum smoke sampling port velocity.
 S 975-315
 (15)
 Make sure zone 4 smoke sampling port velocity delta (PVD) do not exceed 100 feet per minute.

 S 975-212

 (16)
 Use a hot wire anemometer and adapter to examine the air velocity at each orifice in zone 5 of the main deck cargo compartment.

 -
STA 865, RBL 60.0

 -
STA 865, LBL 60.0

 -
STA 925, RBL 3.0

 -
STA 951.5, RBL 3.0

 -
STA 961.5, RBL 60.0

 -
STA 961.5, LBL 60.0

 

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