TASK 32-35-05-000-802
4. Main Landing Gear Door Release/Safety Valve Module Solenoid Valve Removal
(Figure 401)
A. References
Reference Title
10-11-05 P/B 201 CHOCK INSTALLATION
29-11-00-860-807 Main Hydraulic System and the Reservoir Depressurization
(P/B 201)
32-00-15-480-801 Landing Gear Door Safety Pins Installation (P/B 201)
32-00-30-480-801 Landing Gear Downlock Pins Installation (P/B 201)
32-00-40-860-802 Landing Gear Ground Door Release System Operation (Open
the Doors) (P/B 201)
B. Location Zones
Zone Area
143 Main Landing Gear Wheel Well, Left
144 Main Landing Gear Wheel Well, Right
C. Prepare for the Removal
SUBTASK 32-35-05-867-002
(1) Make sure the control lever for the landing gear is in the DN position.
SUBTASK 32-35-05-865-001
(2) Open these circuit breakers and install safety tags:
Left Power Management Panel, P110
Row Col Number Name
M 22 C32605 LG DOOR CLOSE GROUND ACCESS
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
Standby Power Management Panel, P310
Row Col Number Name
J 4 C32633 LG DOOR CLOSE GROUND ACCESS IND
SUBTASK 32-35-05-864-001
(3) For the center hydraulic system, do this task: Main Hydraulic System and the Reservoir
Depressurization, TASK 29-11-00-860-807.
SUBTASK 32-35-05-490-001
WARNING
MAKE SURE THAT THE DOWNLOCK PINS ARE INSTALLED IN ALL OF THE
LANDING GEAR. WITHOUT THE DOWNLOCK PINS, THE LANDING GEAR
CAN RETRACT AND CAUSE INJURIES TO PERSONS AND DAMAGE TO
EQUIPMENT.
(4) 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.
777-200/300
AIRCRAFT MAINTENANCE MANUAL
32-35-05
NoC
Page 418
D633W101-CHI May 05/2020
ECCN 9E991 BOEING PROPRIETARY - See title page for details
EFFECTIVITY
CHI ALL
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