S 034-007
(5)
Disconnect the hydraulic line from the outboard end of the accumulator. Put a cap on the hydraulic line.
S 034-008
(6)
Disconnect the charging line from the inboard end of the accumulator.
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32-41-51
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
S 034-009
(7)
Loosen the clamp nuts for the accumulator clamps (two locations) and open the clamps.
S 024-010
(8)
Remove the accumulator.
S 034-011
(9)
Remove the 1/2 inch hydraulic reducer union and the O-ring from the outboard end of the accumulator. Discard the O-ring.
S 034-012
(10)
Remove the 5/16 inch reducer union and the O-ring from the inboard end of the accumulator. Discard the O-ring.
TASK 32-41-51-404-013
3. Install the Hydraulic Brake Accumulator (Fig. 401)
_______________________________________
A. Consumable Materials
(1)
D00000 Hydraulic Fluid, Fire Resistant - BMS 3-11 (AMM 20-30-21)
B.
References
(1)
AMM 12-12-00/301, Hydraulic System Reservoirs
(2)
AMM 12-15-11/301, Hydraulic Brake Accumulator
(3)
AMM 29-15-00/201, Hydraulic Systems A, B, And Standby
C.
Access
(1)
Location Zones
101/102 Control Cabin 216 Left Main Wheel Well 217 Right Main Wheel Well
D. Procedure
S 434-014
(1)
Install the 5/16 inch hydraulic reducer union with a new O-ring at the inboard end of the accumulator.
S 434-015
(2)
Install the 1/2 inch hydraulic reducer union with a new O-ring at the outboard end of the accumulator.
S 614-016
(3)
Fill the accumulator with hydraulic fluid through the port that has the union fitting for the hydraulic line. Put a cap on the fitting.
S 424-017
(4)
Put the accumulator in the installed position inside the clamps and align the charging line with the union fitting on the accumulator.
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32-41-51
ALL ú ú 01 Page 402 ú Mar 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 424-018
(5)
Tighten the clamps.
S 434-019
(6)
Connect the charging line and the hydraulic line to the accumulator.
S 614-020
(7)
Precharge the hydraulic accumulator (AMM 12-15-11/301)
S 434-021
(8)
Safety the charging valve with a wire.
S 864-022
(9)
Pressurize hydraulic system B (AMM 29-15-00/201).
S 734-023
(10)
Make sure that the gages for hydraulic system B and the brake accumulator indicate approximately 3000 psig.
S 794-024
(11)
Do a check to make sure that there are no leaks at the connections for the hydraulic line and the charging line on the accumulator.
S 864-025
(12)
Fully push down and release the brake a minimum of six times to bleed the air from the accumulator.
S 614-035
(13)
Do the servicing of the hydraulic system reservoirs
(AMM 12-12-00/301)
TASK 32-41-51-714-026
4. Do a Test of Hydraulic Brake Accumulator Operation__________________________________________________
A. References
(1)
AMM 29-15-00/201, Hydraulic Systems A, B, And Standby
B.
Access
(1)
Location Zones
101/102 Control Cabin 216 Left Main Wheel Well 217 Right Main Wheel Well
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