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BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
TASK 27-11-94-400-801
3. Aileron and Rudder Trim Control Module Installation
(Figure 401)
A. Expendables/Parts
AMM Item Description AIPC Reference AIPC Effectivity
22 Module assembly 27-11-94-01-039 GUN 155
27-11-94-01-048 GUN 103
27-11-94-01-057 GUN 101-104
B. Location Zones
Zone Area
211 Flight Compartment - Left
212 Flight Compartment - Right
C. Aileron and Rudder Trim Control Module Installation
SUBTASK 27-11-94-420-001
(1) Install the trim control module assembly [22]:
(a) Connect the three electrical connectors to the trim control module assembly [22].
(b) Put the trim control module assembly [22] on the P8 panel.
(c) Install the four fasteners [12].
SUBTASK 27-11-94-860-002
(2) Remove the safety tags and close these circuit breakers:
F/O Electrical System Panel, P6-2
Row Col Number Name
D 16 C00788 FLIGHT CONTROL TRIM IND RUD
D 18 C00786 FLIGHT CONTROL TRIM CONT AIL
D 19 C00787 FLIGHT CONTROL TRIM CONT RUD
------------------------- END OF TASK ---------------------------
TASK 27-11-94-000-802
4. Trim Control Switches Removal
(Figure 401)
A. Location Zones
Zone Area
211 Flight Compartment - Left
212 Flight Compartment - Right
B. Prepare for the Removal
SUBTASK 27-11-94-020-002
(1) Do this task: Aileron and Rudder Trim Control Module Removal, TASK 27-11-94-000-801.
C. Trim Control Switches Removal
SUBTASK 27-11-94-020-006
(1) Remove the rudder trim knob [2]:
(a) Loosen the screws [3] from the rudder trim knob [2].
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN ALL 27-11-94
Page 404
Jun 10/2007
D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
(b) Remove the rudder trim knob [2] from the rudder trim switch shaft [5].
SUBTASK 27-11-94-020-007
(2) Remove the fasteners [4] to remove the lightplate [1].
SUBTASK 27-11-94-020-008
(3) Do these steps to remove the rudder trim switch [9]:
(a) Bend the tab down on the washer [8].
(b) Remove the locknut [7], washer [8], and washer [17] from the rudder trim switch shaft [5].
(c) Remove the rudder trim switch [9] from behind the baseplate [6].
(d) Remove the shims [16] from the rudder trim switch shaft [5].
1) Make sure the locknut [15] is installed on the rudder trim switch shaft [5].
NOTE: The locknut [15] is installed on the rudder trim switch shaft [5] with the correct
torque value. For correct operation of the rudder trim switch [9], do not move
the locknut [15].
SUBTASK 27-11-94-020-003
(4) Do these steps to remove the aileron trim switches [11]:
(a) Remove locknuts [21] and washers [20] from the aileron trim switches [11].
(b) Remove the aileron trim switches [11] from behind the baseplate [6].
(c) Remove the washers [19] and locknuts [18] from the aileron trim switches [11].
(d) Disconnect the electrical wires from the aileron trim switches [11].
------------------------- END OF TASK ---------------------------
TASK 27-11-94-400-802
5. Trim Control Switches Installation
(Figure 401)
A. References
Reference Title
27-11-00-730-801 Aileron Trim Response Test (P/B 501)
27-21-00-700-819-001 Rudder Trim System Test (P/B 501)
27-21-00-700-819-002 Rudder Trim System Test (P/B 501)
B. Location Zones
Zone Area
211 Flight Compartment - Left
212 Flight Compartment - Right
C. Trim Control Switches Installation
SUBTASK 27-11-94-420-006
(1) Do these steps to install the aileron trim switches [11]:
(a) Connect electrical wires on the aileron trim switches [11].
(b) Install locknuts [18] and washers [19] on the aileron trim switches [11].
(c) Put the aileron trim switches [11] up through the baseplate [6].
(d) Install the washers [20] and locknuts [21] on the aileron trim switches [11].
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN ALL 27-11-94
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Jun 10/2007
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BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
SUBTASK 27-11-94-420-002
(2) Do these steps to install the rudder trim switch [9]:
(a) Install the shims [16] on the rudder trim switch [9].
1) Use the necessary number of shims [16] to get a dimension of 1.156-1.169 inch (29.36-
29.69 millimeters) from the top of the baseplate [6] to the end of the rudder trim switch
shaft [5].
(b) Put the rudder trim switch [9] up through the baseplate [6].
(c) Install the washer [17], washer [8] and locknut [7] on the rudder trim switch shaft [5].
　
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