(a)  Make sure the pump continues to operate.
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 S 865-010
 (5)  
Put the GEN 1 or the left APU GEN switch to ON.

 S 865-011

 (6)  
Put the FLT CONTROL B switch to OFF.

 (a)  Make sure the pump stops.
 S 865-012
 (7)  Put the FLT CONTROL B switch to STDBY RUD.
 (a)  Make sure the pump starts.
 S 865-013
 (8)  Put the FLT CONTROL B switch to OFF.
 (a)  Make sure the pump stops.
 S 865-014
 (9)  Put the ALTERNATE FLAPS arm switch to ARM.
 (a)  Make sure the pump starts.
 S 865-015
 (10) Put the ALTERNATE FLAPS arm switch to OFF.
 (a)  Make sure the pump stops.
 F. Do a Test of the Standby Hydraulic Pump (With Ground Power)
 S 865-016
 (1)  
Supply external power to the No. 1 and No. 2 generator buses (Ref 24-22-00/201).

 S 865-017

 (2)  
Put the FLT CONTROL B switch on the P5 panel to STBY RUD.

 (a)  
Make sure the standby pump starts.

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

 S 865-018
 (3)  Open this circuit breaker and attach a DO-NOT-CLOSE tag:
 (a)  P6-4 Circuit Breaker Panel
 1) AC INDICATION BUS NO. 1 C

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 (4)  S 865-032Make sure the pump continues to operate.
 (5)  S 215-033Make sure the pressure gauge shows the correct indication.
 (6)  S 865-019Open this circuit breaker and attach a DO-NOT-CLOSE tag: (a) P6-12 Circuit Breaker Panel 1) STBY HYD PUMP (ALT)

 S 865-034
 (7)  
Make sure the pump stops.

 S 865-020

 (8)  
Remove the DO-NOT-CLOSE tag and close this circuit breaker:

 (a)  P6-4 Circuit Breaker Panel 1) AC INDICATION BUS NO. 1 C
 S 865-035
 (9)  
Make sure the pump starts.

 S 215-036

 (10)
 Make sure the pressure gauge shows the correct indication.

 S 865-021

 (11)
 Put the FLT CONTROL B switch to OFF.

 (a)  Make sure the pump stops.
 S 865-022
 (12) Remove the DO-NOT-CLOSE tag and close this circuit breaker:
 (a)  P6-12 Circuit Breaker Panel 1) STBY HYD PUMP (ALT)
 S 865-023
 (13) Put the ALTERNATE FLAPS arm switch to ARM.
 (a)  Make sure the standby pump starts.
 S 865-024
 (14) Put the ALTERNATE FLAPS arm switch to OFF.
 (a)  Make sure the pump stops.
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737-300/400/500MAINTENANCE MANUAL
 S 865-025
 (15) Remove external ground power (Ref 24-22-00/201).
 G. Put the Airplane Back to Its Usual Condition
 S 865-026
 (1)  
Remove electrical power (Ref 24-22-00/201).

 S 035-027

 (2)  
Remove the pressure gage from the pressure line.

 S 435-028

 (3)  
Connect the hydraulic lines.

 S 615-029

 (4)  
Do the servicing for the standby and system B hydraulic reservoirs (Ref 12-12-00/301).

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