(1) Supply power to the A, B, and standby hydraulic systems.
(a) Do this task: Hydraulic System A or B Pressurization - Activation, TASK 29-11-00-860-801.
(b) Do this task: Standby Hydraulic System Pressurization - Activation, TASK 29-21-00-000-801.
SUBTASK 12-12-00-210-001
(2) Make sure the flaps and the leading edge are up.
SUBTASK 12-12-00-866-001
(3) Make sure the spoilers and landing gear are in the down position.
SUBTASK 12-12-00-860-013
(4) Make sure the flight controls are in the neutral position.
SUBTASK 12-12-00-860-014
(5) If the thrust reversers are not retracted, do one of these tasks: Thrust Reverser Operation - Retract (Manual Procedure), TASK 78-31-00-980-804-F00 or Thrust Reverser Operation - Retract (Power Procedure), TASK 78-31-00-980-806-F00.
SUBTASK 12-12-00-860-001
(6) Remove power from hydraulic systems A, B and the standby systems:
NOTE: It is not necessary to release head pressure from the hydraulic reservoirs before you fill them.
(a) Do this task: Hydraulic System A or B Power - Deactivation, TASK 29-11-00-860-805.
(b) Do this task: Standby Hydraulic System Power - Deactivation, TASK 29-21-00-000-802.
SUBTASK 12-12-00-210-002
(7) Before you fill the system B reservoir, make sure the brake accumulator has a minimum of 2800 psig (19305 kPa) of pressure in it (with the hydraulic pumps off).