(2)
29-09-00/201, Hydraulic Reservoir Pressurization System
B. Procedure
S 864-002
(1) Release the pressure from the applicable reservoir
(Ref 29-09-00/201).
NOTE:____The system A reservoir is connected to the No. 1 engine. The system B reservoir is connected to the No. 2 engine.
S 684-003
(2) Drain the applicable reservoir.
(a)
When the hydraulic fluid has drained, close the drain valve.
(b)
Install a lockwire on the drain valve.
S 864-004
(3)
Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a) P6-2 circuit breaker panel
1) HYD SOV ENG NO. 1
2) HYD SOV ENG NO. 2
(4)
Disconnect the electrical connector from the shutoff valve.
S 024-005
(5)
Remove the bolts from the adapter flanges that are on the sides of the valve.
(6)
Pull the valve out from between the adapter flanges.
S 034-008
S 024-006
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
29-15-94
ALL ú ú 01 Page 401 ú Nov 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
SUPPLY
SHUTOFF
VALVE
ASEE BOLT,
WASHER,
NUT
(4 LOCATIONS)
ADAPTER
FLANGE,
O-RING
FROM THE
RESERVOIR
SUPPLY
SHUTOFF
VALVE
ELECTRICAL
CONNECTOR
TO THE ENGINE
DRIVEN PUMP
FWD
OUTBD
SUPPLY SHUTOFF VALVE FOR ENGINE 1
(THE VALVE FOR ENGINE 2 IS ALMOST THE SAME)
A
EDP Supply Shutoff Valve Installation
Figure 401
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
29-15-94
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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
TASK 29-15-94-404-007
3. EDP Supply Shutoff Valve Installation (Fig. 401)_____________________________________
A. References
(1)
12-12-00/301, Hydraulic Reservoir
(2)
12-40-00/201, Cleaning and Washing
(3)
24-22-00/201, Manual Control
(4)
29-09-00/201, hydraulic Reservoir
B. Procedure
S 644-009
(1)
Lubricate the O-rings with hydraulic fluid and put them in their position on the valve.
S 424-010
(2)
Carefully put the valve between the adapter flanges.
(a) Make sure the O-rings do not get damaged or out of their position when you install the valve.
S 424-020
(3)
Install the bolts to the adapter flanges.
S 434-011
(4)
Connect the electrical connector to the valve.
S 614-012
(5)
Fill the applicable hydraulic reservoir (Ref 12-12-00/301).
S 864-013
(6)
Pressurize the applicable reservoir (Ref 29-09-00/201).
S 864-014
(7)
Supply electrical power (Ref 24-22-00/201).
S 864-015
(8)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:
(a) P6-2 circuit breaker panel
1) HYD SOV ENG NO. 1
2) HYD SOV ENG NO. 2
S 864-016
CAUTION:_______DO NOT TURN THE FIRE HANDLE. IF YOU TURN THE FIRE HANDLE THE FIRE BOTTLE WILL RELEASE ITS CONTENTS.
(9) Push the override button behind the fire handle for the applicable engine and pull the handle (on the P-8 panel).
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