S 866-210
(15)
Put the arm switch for the ALTERNATE FLAPS in the OFF position.
S 866-212
(16)
Remove hydraulic power from hydraulic system B (AMM 29-15-00/201).
S 866-213
(17)
Put the FLT CONTROL A and the FLT CONTROL B switches in the OFF position.
S 436-214
(18)
Connect the input rod to the input crank of the standby rudder actuator and the torque tube (Fig. 607).
G. Standby Rudder Actuator Test
NOTE: Do this test to make sure you connected the input rod for the
____
standby rudder actuator correctly.
S 866-215
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE RUDDER,
_______ LEADING EDGE SLATS, AND THRUST REVERSERS. THEY CAN MOVE QUICKLY WHEN YOU SUPPLY STANDBY HYDRAULIC POWER.
(1) Put the FLT CONTROL A switch to the STDBY RUD position to supply standby hydraulic power to the rudder.
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A 737-300/400/500MAINTENANCE MANUAL
14000 13000 12000 11000 10000 9000 8000 7000 6000 5000 4000 3000 2000 1000 0
CURRENT - AMPS/PHASE - ABOVE SYSTEM BASIC CURRENT NY AIRBRAKE, STRATOPOWER, DYNAPOWER, AND VICKERS FLOW VS CURRENT
FLOW - CC/MIN
Standby Hydraulic System Leak Internal Check
Figure 608
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
A/P NO. __________________________________PUMP MFR _________________________________ SERVICE NO. ______________________________DATE _____________________________________
STEP NO. PART TESTED AMPS LEAKAGE FLOW CALCULATION TO GET THE LEAKAGE FLOW TO GET FLOW FROM AMPS) (FIG. 608 LEAKAGE MAXIMUM
1. current Standby system basic --- --- ---
2. Standby rudder actuator null leakage to flow Amps 1, converted Amps 2 minus (0.26 GPM) 1000 cc/min
3. current Standby system basic --- --- ---
4. full left leakage Standby rudder actuator Amps 3, converted Amps 4 minus to flow (0.10 GPM) 400 cc/min
5. full right leakage Standby rudder actuator Amps 3, converted Amps 5 minus to flow (0.10 GPM) 400 cc/min
Standby Hydraulic Internal Leak Check
Figure 609
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737-300/400/500MAINTENANCE MANUAL
S 216-216
(2)
Make sure the rudder is approximately in its center position.
S 716-217
(3)
Move the rudder pedals fully right.
(a) Make sure the rudder moves fully right.
S 716-218
(4) Slowly release the rudder pedals.
(a) Make sure the rudder is not more than 1.5 inches from its index mark on the fuselage.
S 716-219
(5) Move the rudder pedals fully left.
(a) Make sure the rudder moves fully left.
S 716-220
(6) Slowly release the rudder pedals.
(a) Make sure the rudder is not more than 1.5 inches from its index mark on the fuselage.
S 716-221
(7)
Put the FLT CONTROL A switch in the OFF position.
S 826-222
(8)
If you find one or more of these conditions, refer to 27-21-00/501 or 27-21-24/501.
(a)
The rudder is more than 1.5 inches from its index mark when the rudder pedals are in their center position.
(b)
The rudder will not move to its full travel position.
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