29-15-00
ALL ú ú 01 Page 506 ú Jul 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 715-145
(18) Make sure the STANDBY HYD LOW PRESSURE light comes on.
NOTE: It can be necessary to operate the rudder to remove pressure
____
from the standby system.
S 865-047
(19) Close these circuit breakers:
(a)
P6-11 Panel
1) STBY HYD PUMP NORMAL
(b)
P6-12 Panel
1) STBY HYD PUMP ALTERNATE
S 715-048
(20)
Make sure the standby EMDP operates.
S 215-050
(21)
Make sure the STANDBY HYD LOW PRESSURE light goes out.
S 715-051
(22)
Put the arm switch for the ALTERNATE FLAPS in the OFF position.
S 715-052
(23)
Make sure the standby EMDP stops.
NOTE: The STANDBY HYD LOW PRESSURE light will not come on.
____
S 715-054
(24) Put the FLT CONTROL A switch to the A ON position.
S 715-055
WARNING: KEEP PERSONS AND EQUIPMENT CLEAR OF THE LEADING EDGE SLATS.
_______ THEY CAN MOVE AUTOMATICALLY WHEN YOU PUSH THE AIR SENSING SWITCH.
(25)
Push and hold the AIR SENSING switch (on the E-11 panel).
(26)
Make sure the standby EMDP operates.
(27)
Release the AIR SENSING switch.
(28)
Make sure the standby EMDP stops
S 715-057
S 715-058
S 715-059
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29-15-00
ALL ú ú 01 Page 507 ú Jul 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
S 715-060
(29)
Put the FLT CONTROL A switch in the OFF position.
S 715-061
(30)
Put the FLT CONTROL B switch in the B ON position.
S 715-062
WARNING: KEEP PERSONS AND EQUIPMENT CLEAR OF THE LEADING EDGE SLATS.
_______ THEY CAN MOVE AUTOMATICALLY WHEN YOU PUSH THE AIR SENSING SWITCH.
(31)
Push and hold the AIR SENSING switch (on the E-11 panel).
S 715-063
(32)
Make sure the standby EMDP operates.
S 715-064
(33)
Release the AIR SENSING switch.
S 715-065
(34)
Make sure the standby EMDP stops.
S 715-066
(35)
Put the FLT CONTROL A switch in the A ON position.
E. Put the Airplane Back to Its Usual Condition
S 865-067
(1)
Supply hydraulic power to system B (Ref 29-15-00/201).
S 865-068
(2)
Set the flap handle to the FLAP UP position.
S 865-069
(3)
Remove hydraulic power from system B (Ref 29-15-00/201).
S 865-070
(4)
Remove electrical power if it is not necessary (Ref 24-22-00/201).
TASK 29-15-00-735-071
4. System Test for Hydraulic System A or B
_______________________________________
A. Standard Tools and Equipment
(1) Hydraulic service cart (with a pressure gage) - that can supply 20 gpm at 3000 psi - filled with BMS 3-11 hydraulic fluid.
B. References
(1) 24-22-00/201, Manual Control
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29-15-00
ALL ú ú 01 Page 508 ú Jul 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
(2)
71-00-00/201, Power Plant
(3)
71-11-02/201, Fan Cowl Panels
C. Access
(1) Location Zones
101/102 Control Cabin
216/217 Main Wheel Wells
D. Prepare for the Test
S 655-072
CAUTION: DO NOT OPERATE THE SYSTEM A OR B HYDRAULIC PUMPS FOR MORE THAN
_______ TWO MINUTES WITHOUT FUEL IN THE FUEL TANKS. THE NO. 1 (FOR SYSTEM A) AND NO. 2 (FOR SYSTEM B) FUEL TANKS MUST HAVE A MINIMUM OF 250 GALLONS (1675 POUNDS/760 KILOGRAMS) OF FUEL IN THEM. IF THERE IS NOT SUFFICIENT FUEL IN THE FUEL TANKS, THE HYDRAULIC SYSTEMS WILL BECOME TOO HOT.
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