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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 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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