(2)
Install the hydraulic line in the fuse port.
(3)
Do the steps in the Set the Hydraulic Flow Fuse paragraph.
S 432-019
S 822-020
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H. Put the Airplane Back to Its Usual Condition
S 862-021
(1) Make sure the fluid in the hydraulic reservoir is at the correct level. Fill if it is necessary (AMM 12-12-01/301).
S 092-022
WARNING:_______OBEY THE REMOVAL PROCEDURE FOR THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY. THE MOVEMENT OF THE DOORS CAN CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
(2)
Remove the door locks (AMM 32-00-15/201).
S 862-023
(3)
Remove the pressure from the left hydraulic system if it is not necessary (AMM 29-11-00/201).
S 862-024
(4)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
I.
Install the Fuse (Option 2)
S 422-056
(1) Install the truck positioner shuttle valve for the main landing gear (AMM 32-32-17/401).
TASK 32-32-19-722-058
4. Check of the Hydraulic Fuse from the Truck Positioner Shuttle Valve___________________________________________________________________ (Fig. 201)
A. Equipment
(1)
Hydraulic Service Cart, 0 to 3000 psi, with
hydraulic fluid, fire resistant, BMS 3-11
B.
Consumable Materials
(1)
D00153 Hydraulic Fluid, Fire Resistant - BMS 3-11
C.
References
(1)
AMM 12-12-01/301, Hydraulic Systems
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(2)
AMM 24-22-00/201, Electrical Power Control
(3)
AMM 29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems
(4)
AMM 32-00-15/201, Landing Gear Door Locks
(5)
AMM 32-00-20/201, Landing Gear Downlocks
D.
Prepare for Check
S 862-086
(1)
Supply electrical power (AMM 24-22-00/201).
S 862-059
(2)
Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
S 492-060
WARNING:_______OBEY THE INSTALLATION PROCEDURE FOR THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY. THE MOVEMENT OF THE DOORS CAN CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
(3)
Open the doors for the landing gear and install the door locks (AMM 32-00-15/201).
S 862-061
(4)
Remove the pressure from the left hydraulic system and hydraulic reservoir (AMM 29-11-00/201).
S 032-062
(5)
Disconnect the hydraulic line from the fuse port.
S 432-063
(6)
Install a plug in the line and the fitting.
E.
With the hydraulic line to the fuse port disconnected, do the steps that follow to make sure the fuse operates correctly:
S 862-064
(1)
Make sure the control lever for the landing gear on the P3 panel is in the DN position.
S 722-065
(2)
Put a container at the fuse port to catch hydraulic fluid. Fluid will flow from the fuse port when the hydraulic system is pressurized.
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S 722-087
(3) If you attach a flexible hose to the connection on the fuse, then put the open end in a suitable fluid container.
S 722-067
WARNING: KEEP PERSONS CLEAR OF THE OPEN FUSE PORT WHILE THE HYDRAULIC
_______ LINE IS DISCONNECTED FROM THE PORT AND THE LEFT HYDRAULIC SYSTEM IS PRESSURIZED. HIGH PRESSURE HYDRAULIC FLUID CAN CAUSE INJURY TO PERSONS.
(4)
Supply 25 psi to the left hydraulic system with a hydraulic ground cart (AMM 29-11-00/201).
S 722-088
(5)
When the fuse closes, increase the applied pressure to 3000 psi and hold it for 5 minutes.
S 792-068
(6)
Make sure that leakage from the fuse port is not more than one drop per minute for the last 3 minutes.
S 862-069
(7)
Remove the power from the left hydraulic system (AMM 29-11-00/201).
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本文链接地址：757 AMM 飞机维护手册 起落架 CHAPTER 32 - LANDING GEAR 2(71)
