(d)  
Operate the rudder slowly, through a minimum of two full cycles.

 (e)  
Set the FLT CONTROL switch to the OFF position.

 (f)  
Make sure there are no leakage.

 S 614-028
 (7)  
Service the standby and system B hydraulic reservoirs (Ref 12-12-00/301).

 S 864-029

 (8)  
Remove electrical power (Ref 24-22-00/201).

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 STANDBY HYDRAULIC SYSTEM ELECTRIC MOTOR-DRIVEN PUMP (EMDP) - ADJUSTMENT/TEST
____________________________________________________________________________
 1.  General_______
 A.  This procedure contains the task to do an operational check of the hydraulic pump and the electrical circuits that supply power to the pump.
 TASK 29-15-31-715-002
 2.  Standby Hydraulic System Electric Motor-Driven Pump (EMDP) Test_______________________________________________________________
 A.  Standard Tools and Equipment
 (1)  
Container to hold hydraulic fluid

 (2)  
Pressure gage - 0 to 3500 psi

 B.  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 Pressurization System

 C.  Access
 (1)  Location Zone
 101 Control Cabin, LH
 102 Control Cabin, RH
 215 Keel Beam

 D.  Prepare for Test
 S 035-030
 (1)  
Disconnect the hydraulic lines.

 (2)  
Drain the hydraulic fluid into a container.

 S 165-037

 (3)  
Clean all hydraulic fluid from the installation area if it is necessary (Ref 12-40-00/201).

 S 435-003

 (4)  
Install the pressure gage in the pressure line between the pump and the standby pressure module.

 (5)  
Pressurize the standby reservoir (AMM 29-09-00/201).

 S 685-031
 S 865-004
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 865-001
 (6)  Make sure these circuit breakers are closed:
 (a)  
P6-2 Circuit Breaker Panel
 1) FLT CONT SHUTOFF VALVES (2)
 2) STBY RUD SHUTOFF VALVES

 (b)  
P6-4 Circuit Breaker Panel
 1) AC INDICATION BUS NO. 1

 (c)  
P6-11 Circuit Breaker Panel
 1) STBY HYD PUMP NORMAL

 (d)  
P6-12 Circuit Breaker Panel
 1) STBY HYD PUMP (ALT)

 S 865-005
 (7) Make sure these switches, on the P5 panel, are in the OFF position:
 (a)  
The ALTERNATE FLAPS arm switch

 (b)  
The FLT CONTROL A switch

 (c)  
The FLT CONTROL B switch.

 E. Do a Test of the Standby Hydraulic Pump (With Generator Power)
 S 865-006
 (1)  
Put the GEN 1 or the left APU GEN switch (P5) to ON to supply electrical power to the No. 1 generator bus.

 S 865-007

 (2)  
Put the FLT CONTROL B switch to STDBY RUD.

 (a)  
Make sure that the standby pump starts.

 (b)  
Make sure that the no-flow system pressure is between 2975 and 3100 psig.

 S 865-008
 (3)  
Put the GEN 2 or the right APU GEN switch to ON to supply power to the No. 2 generator bus.

 S 865-009

 (4)  
Put the GEN 1 or the left APU GEN switch to OFF to remove power from the No. 1 generator bus.
　
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