(3)
AMM 32-00-15/201, Landing Gear Door Locks
(4)
AMM 32-00-20/201, Landing Gear Downlocks
B.
Access
(1)
Location Zone
144 Right Main Landing Gear Wheel Well
C.
Prepare to Remove the Accumulator
S 494-002
(1) Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
S 494-038
WARNING: USE THE PROCEDURE IN AMM 32-00-15/201 TO INSTALL THE DOOR
_______ LOCKS. THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(2)
Open the doors for the landing gear and install the door locks (AMM 32-00-15/201).
(3)
Put the chocks below the wheels.
S 844-004
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SEE A
CLAMP UNION CHARGING LINE
ACCUMULATOR
UNION CLAMP HYDRAULIC LINE
Figure 401 Parking Brake Accumulator Installation (REF) TRANSMITTER PRESSURE A
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S 844-005
(4)
Release the parking brake.
S 864-006
(5)
Remove the pressure from the left and right hydraulic systems (AMM 29-11-00/201).
S 864-007
(6)
Fully push down the two brake pedals a minimum of seven times to remove the pressure from the accumulator.
S 844-008
(7)
Remove the dust cap from the nitrogen charging valve of the
accumulator.
D.
Remove the Accumulator
S 944-009
WARNING:_______DO NOT LOOSEN THE MANIFOLD NUT. PRESSURE IN THE CHARGING VALVE CAN BLOW THE VALVE OFF AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(1)
Loosen the swivel nut at the charging valve to release the pressure from the accumulator (AMM 12-15-04/301).
S 034-010
(2)
Disconnect the charging line from the top of the accumulator.
S 034-012
(3)
Disconnect the hydraulic line from the lower end of the accumulator.
S 034-013
(4)
Put a cap on the hydraulic line.
(5)
Loosen the nuts and open the clamps.
S 034-015
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S 024-016
(6)
Remove the accumulator.
S 034-017
(7)
Remove the unions on the two ends of the accumulator.
S 844-040
(8)
Discard the O-rings on the unions.
S 034-018
(9)
Put a plug in the accumulator openings.
TASK 32-44-05-404-037
3. Install the Parking Brake Accumulator (Fig. 401)_____________________________________
A. Consumable Materials
(1)
D00153 Fluid, Hydraulic - BMS 3-11
(2)
D00054 Lubricant, Hydraulic System Fittings -MCS 352
B.
References
(1)
AMM 12-15-04/301, Parking Brake Accumulator
(2)
AMM 29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems
(3)
AMM 32-00-15/201, Landing Gear Door Locks
C.
Access
(1)
Location Zone
144 Right Main Landing Gear Wheel Well
D.
Install the Accumulator
S 644-019
(1)
Put a thin layer of hydraulic fluid or lubricant on the new O-rings.
S 434-020
(2)
Install the O-rings on the unions.
(3)
Install the unions on the accumulator.
(4)
Replace the accumulator support clamps if they are damaged.
S 844-023
(5)
Put the accumulator in position to align the pressure gage line and the hydraulic line with the accumulator unions.
S 434-021
S 034-022
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S 434-024
(6)
Tighten the clamps.
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