(c)
P6-11 Circuit Breaker Panel
1) ELECT HYD PUMP SYS B
2) STBY HYD PUMP NORMAL
(d)
P6-12 Circuit Breaker Panel
1) ELECT HYD PUMP SYS A
2) STBY HYD PUMP (ALT)
S 865-022
(2) Do the steps that follow to do a test of the Standby Hydraulic Pump System Interface:
(a)
Set the System A and B Electric Hyd Pump Switches (ELEC 1, ELEC 2) on the P5-7 panel to the ON position.
(b)
Set the System A and B FLT CONTROL switches to the ON position.
(c)
Set the TE flaps to 1 unit.
(d)
Make sure the Air/Ground logic is in the ground mode.
(e)
Set the ANTI-SKID switch on the P2-2 panel to the ON position.
(f)
Do the steps shown below on the Anti-Skid Control Unit on the E3-2 shelf. 1) Set the WHEEL SELECT switch to the L1 position. 2) Push, and hold, the Skid switch until instructed to
release.
(g)
Make sure the Standby Pump is not on.
(h)
Set the Electric Pump Switch to the OFF position and operate the Ground Spoilers to remove pressure from the System A Hydraulics.
(i)
Make sure the Standby Pump comes on.
(j)
Set the TE flaps to 0 units.
(k)
Make sure the Standby Pump is not on.
(l)
Set the TE flaps to 1 unit.
(m)
Make sure the Standby Pump comes on.
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(n)
Release the Skid switch.
(o)
Make sure the Standby Pump is not on.
S 865-023
(3)
Remove pressure from the system B hydraulics.
S 865-024
(4)
Set the system A and B FLT CONTROL switches to the OFF position.
S 865-025
(5)
On the Anti-skid Control Unit, set the WHEEL SELECT switch to OFF.
S 865-026
(6)
Set the circuit breakers to their initial positions.
E. Ram Air Control System Interface Test
S 865-027
(1) Close the circuit breakers shown below:
(a)
P6-4 Circuit Breaker Panel
1) TURBOFAN L
2) TURBOFAN R
3) RAM MOD L
4) RAM MOD R
5) RAM MOD CONT (737-300/-500 only)
6) L RAM MOD CONTROL (737-400 only)
7) R RAM MOD CONTROL (737-400 only)
(b)
P6-3 Circuit Breaker Panel
1) INDICATOR MASTER DIM BUS BAT
2) INDICATOR MASTER DIM BUS SECT 1
3) INDICATOR MASTER DIM BUS SECT 4
4) INDICATOR MASTER DIM BUS NO 1 DC
5) INDICATOR MASTER DIM BUS SECT 2
6) INDICATOR MASTER DIM BUS SECT 5
7) INDICATOR MASTER DIM BUS NO 2 DC
8) INDICATOR MASTER DIM BUS SECT 3
9) INDICATOR MASTER DIM BUS SECT 6
10) NOSE GEAR AIR/GND
11) LANDING GEAR AIR/GND RELAY & LTS
S 865-045
(2) Do the steps that follow to do a test of the Ram Air Control System
(a)
Disconnect electrical connectors D486 and D490 from the top of the left and right Pack Valves, in the AC Bay.
(b)
Make sure that the left and right RAM DOOR FULL OPEN lights are on.
(c)
Supply system B hydraulic power (Ref 29-15-00/201).
(d)
Set the TE flaps to 1 unit.
(e)
Push and hold the AIR sensing test switch on the E11 landing gear logic shelf.
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737-300/400/500MAINTENANCE MANUAL
(f) Make sure that the left and right Ram Air Deflector doors are in the fully closed position.
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