SUBTASK 32-32-17-860-005
(2) Make sure the control lever for the landing gear is in the DN position.
SUBTASK 32-32-17-860-006
(3) Do this task: Supply Electrical Power, TASK 24-22-00-860-805.
SUBTASK 32-32-17-860-007
(4) Remove the safety tags and close these circuit breakers:
Overhead Circuit Breaker Panel, P11
Row Col Number Name
A 23 C32608 LDG GEAR EXTD/RETR 2
G 10 C32607 LDG GEAR EXTD/RETR 1
SUBTASK 32-32-17-860-008
WARNING
KEEP PERSONS AND EQUIPMENT CLEAR OF THE FLIGHT CONTROL
SURFACES, THE THRUST REVERSERS, AND THE LANDING GEAR. THESE
COMPONENTS CAN MOVE SUDDENLY WHEN YOU SUPPLY HYDRAULIC
POWER. THIS CAN CAUSE INJURIES TO PERSONS AND DAMAGE TO
EQUIPMENT.
(5) For the center hydraulic system, do this task: Main Hydraulic System Pressurization,
TASK 29-11-00-860-801.
SUBTASK 32-32-17-860-009
(6) For the main landing gear doors, do this task: Landing Gear Ground Door Release System
Operation (Close the Doors), TASK 32-00-40-860-801.
NOTE: This will close the applicable main landing gear door. The other main landing gear door
will stay open.
SUBTASK 32-32-17-480-005
WARNING
MAKE SURE THE DOWNLOCK PINS ARE INSTALLED ON ALL THE LANDING
GEAR. WITHOUT THE DOWNLOCK PINS, THE LANDING GEAR COULD
RETRACT AND CAUSE INJURIES TO PERSONNEL AND DAMAGE TO
EQUIPMENT.
(7) If the downlock pins are not installed in all the landing gear, do this task: Landing Gear
Downlock Pins Installation, TASK 32-00-30-480-801.
SUBTASK 32-32-17-860-010
(8) Move the control lever for the landing gear to the UP position.
(a) Push the LOCK OVRD button to do this.
SUBTASK 32-32-17-210-001
(9) Make sure the applicable main landing gear door opens.
SUBTASK 32-32-17-860-011
(10) Move the control lever for the landing gear to the DN position.
SUBTASK 32-32-17-210-002
(11) Make sure the applicable main landing gear door closes.
SUBTASK 32-32-17-860-012
(12) Do this task: Landing Gear Ground Door Release System Operation (Open the Doors),
TASK 32-00-40-860-802.
NOTE: This will open the applicable main landing gear door.
777-200/300
AIRCRAFT MAINTENANCE MANUAL
32-32-17
NoC
Page 407
D633W101-CHI Jan 05/2019
ECCN 9E991 BOEING PROPRIETARY - See title page for details
EFFECTIVITY
CHI ALL
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