(a)
Yaw Damper Coupler Self-Test
(b)
Yaw Damper Coupler Servo Test
(c)
Rudder Pressure Reducer Test
(2)
Do the procedure for EXISTING FAULTS? to make sure that the fault is corrected.
2...........…...........….......................................................1
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YAW DAMPER COUPLER ú ú 01 Page 132 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
YAW DAMPER COUPLER - MAINTENANCE PRACTICES
__________________________________________
1. General
_______
A. This procedure has this task:
(1) A lever latch/fork assembly adjustment for the yaw damper coupler.
TASK 22-12-01-822-008
2. Lever Latch/Fork Assembly Adjustment
____________________________________
A. Procedure
S 862-001
(1) Release the levers in the handles on the front of the yaw damper coupler.
NOTE: Do not disengage the electrical connector on the back of the
____
yaw damper coupler.
S 822-002
(2) If the electrical connector on the back of the yaw damper coupler is not fully engaged, do this step:
(a) Move the levers toward the yaw damper coupler until the connector on the back is fully engaged.
S 822-003
(3) Position the levers in the handles to the dimension shown (Fig. 201).
NOTE: Measure the distance from the front surface of the handles to
____ the front surface of the top of the levers.
S 822-004
(4)
If it is necessary, adjust the fork assembly:
(a)
Turn the fork assembly to a position where the pin in the fork assembly starts to put pressure on the locking lever.
(b)
Make sure that the levers in the handles are at the correct dimension when this occurs.
(c)
Torque the rear jamnut to 27 |3 inch-pounds.
(5)
Push the levers forward to lock them in the closed position.
S 862-005
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COUPLER ú
ú 01 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. Page 201Mar 15/99
A 737-300/400/500MAINTENANCE MANUAL
YAW DAMPER
LEVER IN THE HANDLE (PART OF THE LEVER LATCH ASSEMBLY)
FORK
LOCKING LEVER (PART OF THE LEVER LATCH ASSEMBLY)
Lever Latch Assembly and Fork Assembly Adjustment
Figure 201
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COUPLER ú
ú 01 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. Page 202Mar 15/99
K03247
A
737-300/400/500MAINTENANCE MANUAL
B. Lever Latch/Fork Assembly Check
S 862-006
(1) Release the levers in the handles.
NOTE: Do not disengage the electrical connector on the back of the
____
yaw damper coupler.
S 822-007
(2) Measure the dimension shown (Fig. 201):
(a)
Make sure the dimension is in the tolerance.
(b)
If the dimension is not in the tolerance, do the lever latch/fork assembly adjustment above.
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COUPLER ú ú 01 Page 203 ú Mar 15/99
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