B.
References
(1)
AMM 29-09-00/201, Hydraulic Reservoir Pressurization System
C.
Access
(1)
Location Zones
1-2 Control Cabin
2-16 Left Main Wheel Well
2-17 Right Main Wheel Well
D.
Remove the Pressure from Rudder Hydraulic Systems A and B
S 862-013
(1)
Set the FLT CONTROL A and B switches on the forward overhead panel to OFF.
S 862-014
(2)
Open these circuit breakers on the P6 panel (Fig. 201):
(a)
SHUTOFF VALVES - FLT CONT (2 locations)
(b)
SHUTOFF VALVES - STBY RUD
S 862-018
(3)
Set the ELEC 2, HYD PUMPS A or the ELEC 1 HYD PUMPS B switches on the forward overhead panel to OFF.
S 862-017
(4)
Operate the rudder pedals to decrease the remaining hydraulic system pressure.
S 862-019
(5)
If any hydraulic connections are to be moved, remove the pressure from hydraulic systems A and B (AMM 29-09-00).
S 482-015
(6)
Install the flight control lock assemblies.
(a)
Disconnect the electrical connector from the flight controls shutoff valve at the system A flight controls hydraulic module in the left wheel well.
(b)
Disconnect the electrical connector from the flight controls shutoff valve at the system B flight controls hydraulic module in the right wheel well.
(c)
Put the manual override lever at the two flight control shutoff valves in position 2 (OFF position) (Fig. 202).
(d)
Put the manual override lever at the standby shutoff valve in position 1 (OFF position) (Fig. 203).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
(e)
Install a flight control lock assembly on each of the three flight control shutoff valves and install the lockpins.
E.
Put the Airplane Back to Its Usual Condition
S 082-020
(1)
Remove the flight control lock assemblies from the three flight control shutoff valves.
S 862-021
(2)
Connect the three electrical connectors to the flight control shutoff valves.
S 862-022
(3)
Set the flight control A and B switches on the forward overhead panel to ON.
S 862-016
(4)
Close these circuit breakers on the P6 panel:
(a)
SHUTOFF VALVES - FLT CONT (2 locations)
(b)
SHUTOFF VALVES - STBY RUD
(5)
Pressurize the hydraulic reservoirs if necessary (AMM 29-09-00).
S 862-023
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
RUDDER AND RUDDER TRIM CONTROL SYSTEM - ADJUSTMENT/TEST
_______________________________________________________
1. General
_______
A. There are three tasks in this procedure:
(1)
The adjustment of the rudder and rudder trim control system
(2)
The system test of the rudder and rudder trim control system
(3)
The system test of the rudder trim control system.
TASK 27-21-00-825-023
2. Rudder and Rudder Trim Control System Adjustment
________________________________________________
A. Special Tools and Equipment
(1)
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