(2)
AMM 29-15-00/201, Hydraulic Systems A, B and Standby
C. Access
(1) Location Zone
216 Main Wheel Well, RH
D. Prepare for Removal
S 864-022
(1)
Remove power from hydraulic system B (AMM 29-15-00/201).
S 864-023
(2)
Make sure these switches, on the P5 panel, are in the OFF position:
(a)
ELEC 1 HYD PUMPS B
(b)
FLT CONTROL B
(c)
ALTERNATE FLAPS
E. Remove the Pressure Switch
S 034-014
(1)
Disconnect the electrical connector.
(2)
Disconnect the hydraulic line.
(3)
Drain hydraulic fluid into a container.
S 164-017
(4)
Clean all hydraulic fluid from the installation area if it is necessary (AMM 12-40-00/201).
(5)
Remove the mounting bolts.
S 034-015
S 684-016
S 034-018
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29-22-41
ALL ú ú 01 Page 401 ú Nov 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
SEE A
RESERVOIR (REF) SYSTEM B
SEE B SWITCH EDP PRESSURE
MOUNTING BOLT WASHER (4 LOCATIONS) A SYSTEM B RETURN FILTER (REF)
CLAMP
HYDRAULIC LINE
SWITCH EDP PRESSURE ELECTRICAL CONNECTOR
EDP PRESSURE SWITCH
B
Figure 401 EDP Pressure Switch, Auto Slat System, Installation
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29-22-41
ALL ú ú 01 Page 402 ú Nov 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 034-020
(6)
Remove the strap.
S 024-019
(7)
Remove the EDP pressure switch.
TASK 29-22-41-404-002
3. EDP Pressure Switch Installation (Fig. 401)________________________________
A. References
(1)
AMM 12-12-00/301, Hydraulic Reservoir
(2)
AMM 20-10-34/701, Metal Surfaces
(3)
SWPM 20-20-00, Standard Wiring Practices Manual
(4)
AMM 24-22-00/201, Manual Control
(5)
AMM 29-09-00/201, Hydraulic Reservoir Pressurization System
(6)
AMM 29-15-00/201, Hydraulic Systems A, B and Standby
B. Access
(1) Location Zone
216 Main Wheel Well, RH
C. Procedure
S 164-008
(1)
Clean the mounting surfaces (AMM 20-10-34/701).
S 424-009
(2)
Install the EDP pressure switch.
S 434-010
(3)
Install the mounting bolts.
S 434-011
(4)
Connect the hydraulic line.
S 284-021
(5)
Make sure the bond is 0.008 ohms maximum between the pressure switch and the mounting bracket (SWPM 20-20-00).
(6)
Connect the electrical connector.
S 724-013
(7)
Do the functional test:
(a)
Pressurize the hydraulic reservoirs (AMM 29-09-00/201).
(b)
Supply electrical power (AMM 24-22-00/201).
(c)
Open these circuit breakers and attach DO-NOT-CLOSE tags: 1) P6-2 Circuit Breaker Panel a) PTU/LG BYP V CONT 2
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