(3)
Open the applicable circuit breakers and attach DO-NOT-CLOSE tags:
(a) P6-2 Circuit Breaker Panel
1) ELEC HYD PUMP CONT SYS A
2) ELEC HYD PUMP CONT SYS B
3) PRESS IND SYS A
4) PRESS IND SYS B
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
29-15-71
ALL ú ú 01 Page 201 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
S 032-093
(4)
Disconnect the electrical connectors from the low pressure switch.
S 032-094
(5)
Disconnect the hydraulic lines.
S 682-095
(6)
Drain hydraulic fluid into a container.
S 162-096
(7)
Clean all hydraulic fluid from the installation area if it is necessary (AMM 12-40-00/201).
S 032-097
(8)
Install plugs to the hydraulic lines.
S 032-098
(9)
Remove the unions and the protective plugs from the pressure module.
(a) Discard the O-rings.
S 432-100
(10)
Install plugs in the open ports of the pressure module.
S 032-101
(11)
Remove the mounting bolts.
S 022-102
(12)
Remove the pressure module.
TASK 29-15-71-402-103
3. Hydraulic Systems A and B Pressure Module Installation
______________________________________________________
A. Consumable Materials
(1)
D00567 Skydrol Assembly Lube - MCS 352
(2)
D00568 Fluid - Hydraulic, BMS 3-11
B. References
(1)
AMM 12-12-00/301, Hydraulic Reservoir
(2)
AMM 24-22-00/201, Manual Control
(3)
AMM 29-15-00/201, Hydraulic Systems A, B and Standby
C. Access
(1) Location Zone
101 Control Cabin, LH
102 Control Cabin, RH
216 Main Wheel Well, LH
217 Main Wheel Well, RH
D. Procedure
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29-15-71
ALL ú ú 01 Page 202 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 212-104
CAUTION: MAKE SURE UNWANTED MATERIAL DOES NOT GO INTO THE MODULE PORTS
_______ OR THE HYDRAULIC LINES DURING THE INSTALLATION. THIS CAN CAUSE DAMAGE TO EQUIPMENT.
(1)
Make sure unwanted material does not go into the module ports or the hydraulic lines.
S 642-105
(2)
Apply assembly lube or hydraulic fluid to the O-rings and the unions.
S 432-106
(3)
Install the O-rings and the unions in the module ports.
S 212-107
(4)
Make sure the plugs are in the correct ports.
S 212-108
(5)
Make sure lockwires are installed.
S 212-109
(6)
Make sure the check valve is installed in port 8 for the system A pressure module.
S 422-110
(7)
Put the pressure module in its mounting position.
S 422-120
(8)
Install the mounting bolts.
S 032-111
(9)
Remove the plugs.
S 432-112
(10)
Connect the hydraulic lines to the pressure module.
(11)
Connect the electrical connectors to the low pressure switches.
(12)
Supply electrical power (AMM 24-22-00/201).
S 862-115
(13)
Remove the DO-NOT-CLOSE tags and close the applicable circuit breakers:
S 432-113
S 862-114
(a) P6-2 Circuit Breaker Panel
1) ELEC HYD PUMP CONT SYS A
2) ELEC HYD PUMP CONT SYS B
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