29-15-71
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 422-077
(7)
Put the filter element in the module housing.
S 432-078
(8)
Tighten the filter bowl 350 to 375 pound-inches.
S 432-079
(9)
Install a lockwire.
S 862-063
(10)
Supply electrical power (AMM 24-22-00/201).
S 862-062
(11)
Pressurize the hydraulic system with the electric pump or the engine driven pump (AMM 29-15-00/201).
S 792-059
(12)
Examine the pressure filter for leaks.
S 862-060
(13)
Remove power from the hydraulic system (AMM 29-15-00/201)
S 862-061
(14)
Remove electrical power (AMM 24-22-00/201).
TASK 29-15-71-002-005
6. Pressure Module Check Valve Removal (Fig. 201)___________________________________
A. References
(1)
AMM 29-09-00/201, Hydraulic Reservoir Pressurization System
(2)
AMM 29-15-00/201, Hydraulic Systems A, B and Standby
B. Access
(1) Location Zone
216 Main Wheel Well, LH
217 Main Wheel Well, RH
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29-15-71
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
C. Procedure
S 862-001
(1)
Remove power from the applicable hydraulic system
(AMM 29-15-00/201).
S 862-002
(2)
Release pressure from the applicable hydraulic reservoir (AMM 29-09-00/201).
S 022-003
(3)
Remove the check valve from the pressure module.
S 432-004
(4)
Install a plug in the open port of the pressure module.
TASK 29-15-71-402-006
7. Pressure Module Check Valve Installation (Fig. 201)________________________________________
A. Consumable Materials
(1)
D00567 Skydrol Assembly Lube - MCS 352
(2)
D00568 Fluid - Hydraulic, BMS 3-11
B. References
(1)
AMM 29-09-00/201, Hydraulic Reservoir Pressurization System
(2)
AMM 29-15-00/201, Hydraulic Systems A, B and Standby
C. Access
(1) Location Zone
216 Main Wheel Well, LH
217 Main Wheel Well, RH
D. Procedure
S 642-007
(1)
Apply assembly lube or hydraulic fluid to the O-rings and the backup rings.
S 432-008
(2)
Install the O-rings and the backup rings in each groove on the check valve.
S 642-009
(3)
Apply assembly lube or hydraulic fluid to the threads of the check valve for easier installation.
(4)
Remove the plug.
(5)
Install the check valve in the module housing.
S 032-010
S 422-011
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29-15-71
ALL ú ú 01 Page 211 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 432-012
(6)
Tighten the check valve to 200-250 pound-inches.
S 862-013
(7)
Pressurize the applicable hydraulic reservoir (AMM 29-09-00/201).
S 862-014
(8)
Pressurize the applicable hydraulic system (AMM 29-15-00/201).
S 862-021
(9)
Do these steps if you replace the check valve for the electric motor-driven pump:
(a)
Operate the engine driven pump.
(b)
Make sure the LOW PRESSURE light for the electrical pump stays on.
S 862-022
(10) Do these steps if you replace the check valve for the engine driven pump:
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