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 (b) Make sure the LEFT (RIGHT) ECS PACK H/L entry on the ANALOG
 DISCR page shows HI (High flow).
 (c) Make sure the visual position indicator on the left (right)
 pack FCV moves counterclockwise away from the temporary mark
 towards OPEN (High flow).
 S 715-273
 (2) ENGINE SPEED CARDS WITH A TEST JACK;
 ú  Disconnect the jumper test wire from the left (right) engine speed
 card and the airplane ground (engines off).
 (a) Make sure the LEFT (RIGHT) ECS PACK H/L entry on the ANALOG
 DISCR page shows LO (Low flow).
 (b) Make sure the visual position indicator on the left (right)
 pack FCV moves clockwise to the temporary mark (Low flow).
 S 715-274
 (3) ENGINE SPEED CARDS WITH A TEST SWITCH;
 ú  Put the left (right) engine speed card switch back to the NORMAL
 position (engines off).
 (a) Make sure the LEFT (RIGHT) ECS PACK H/L entry on the ANALOG
 DISCR page shows LO (Low flow).
 (b) Make sure the visual position indicator on the left (right)
 pack FCV moves clockwise to the temporary mark (Low flow).
 S 715-275
 (4) ENGINE SPEED CARDS WITH A TEST JACK;
 Connect the jumper test wire between the test point, J1, on the
 ú  front of the left (right) engine speed card and the airplane ground
 (engines on).
 (a) Make sure the LEFT (RIGHT) ECS PACK H/L entry on the ANALOG
 DISCR page shows HI (High flow).

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 (b) Make sure the visual position indicator on the left (right)
 pack FCV moves couterclockwise away from the temporary mark
 towards OPEN (High flow).
 S 715-276
 (5)  ENGINE SPEED CARDS WITH A TEST SWITCH;
 ú  Put the left (right) engine speed card switch to the TEST position
 (engines on).
 (a) Make sure the LEFT (RIGHT) ECS PACK H/L entry on the ANALOG
 DISCR page shows HI (High flow).
 (b) Make sure the visual position indicator on the left (right)
 pack FCV moves couterclockwise away from the temporary mark
 towards OPEN (High flow).
 ú
 ú  S 715-277
 ú  (6)  Turn the L (R) PACK selector, on the P5 panel, to the AUTO position.
 ú  (a) Make sure the L (R) PACK OFF light goes off.
 (b) Make sure the LEFT (RIGHT) ECS PACK H/L entry on the ANALOG
 DISCR page shows LO (Low flow).
 (c) Make sure the visual position indicator on the left (right)
 pack FCV moves clockwise to the temporary mark (Low flow).
 S 715-278
 (7)  Push the L (R) RECIRC FAN switch-light to OFF.
 (a) Make sure the L (R) RECIRC FAN INOP light comes on.
 (b) Make sure the LEFT (RIGHT) ECS PACK H/L entry on the ANALOG
 DISCR page shows HI (High flow).
 (c) Make sure the visual position indicator on the left (right)
 pack FCV moves couterclockwise away from the temporary mark
 towards OPEN (High flow).
 S 715-279
 (8)  Push the L (R) RECIRC FAN switch-light to ON.
 (a) Make sure the L (R) RECIRC FAN INOP light goes off.
 (b) Make sure the LEFT (RIGHT) ECS PACK H/L entry on the ANALOG
 DISCR page shows LO (Low flow).

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MAINTENANCE MANUAL
 (c) Make sure the visual position indicator on the left (right)
 pack FCV moves clockwise to the temporary mark (Low flow).
 S 715-616
 (9) Do the steps in the pack high flow inhibit test for the right pack.
 F.  Put the airplane back to its usual condition
 S 865-262
　
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