NOTE: The bolt head is to the outboard.
____
(m)
Install the mass balance weights to the control columns (Ref 27-31-61/401).
(n)
Remove the rig pins E1 and E5 from the quadrant assemblies.
S 715-041
(6) Do this check on the transducers:
(a) Move the control columns lightly until the system is in the center.
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A 737-300/400/500MAINTENANCE MANUAL
(b)
Set the select switch to the CAPT position. Keep a record of the voltage. Make sure that the voltage is less than 0.20 v.
(c)
Set the select switch to the F/O position. Keep a record of the voltage. Make sure that the voltage is less than 0.20 v.
(d)
Make sure that the difference between CAPT and F/O voltage is less than 0.20 v.
NOTE: If the voltage is more than 0.20 v, do a check on the
____ control quadrant and bearings for the structural interference.
S 085-033
(7)
Remove the test set.
S 865-034
(8)
Connect the transducer cables to the airplane wiring.
S 415-035
(9)
Close the forward access panel, 1103, (Ref 12-31-11/201).
S 415-036
(10)
Close the tail cone access door, 3802 (12-31-41/201).
TASK 22-11-92-825-038
3. Pitch Force Transducer Adjustment (DFCS BITE Test)
_________________________________
NOTE: Two persons are necessary for this task.
____
A. References
(1)
12-31-11/201, Body Section 41 Access Doors and Panels
(2)
22-11-00/501 or 22-11-01/501, Digital Flight Control System
(3)
24-22-00/201, Manual Control
(4)
27-31-00/501, Elevator and Tab Trim System
(5)
29-15-00/201, Hydraulic A, B, Standby System
B. Access
(1) Location Zones
101 Control Cabin, Left
102 Control Cabin, Right
202 Lower Nose Compartment
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737-300/400/500MAINTENANCE MANUAL
(2) Access Panel
1103 Forward Access Door
C. Standard Tools and Equipment
(1)
Rig Pins - E1 and E5; 0.309 +0.003/-0.0-inch diameter, 6.0-inch minimum length (MS20392-4)
(2)
Rig pins - E2 and E3 (2); 0.4941 |0.0004-inch diameter, 1.5-inch minimum length
D. Prepare for the Pitch Force Transducers Adjustment
S 865-017
(1)
Supply electrical power (Ref 24-22-00/201).
S 865-018
(2)
Do this task to fully adjust the elevator rigging before you can adjust the transducers: "Adjustment - Elevator and Tab Control System" (Ref 27-31-00/501).
S 865-019
(3)
Move the control column to the neutral position.
S 015-014
(4)
Open the forward access door, 1103, to get access to the transducer (Ref 12-31-11/201).
S 715-047
(5)
Do the preparation for the DFCS BITE test in this task: "Operational Test - Digital Flight Control System" (Ref 22-11-00/501 or 22-11-01/501).
S 745-016
(6)
Prepare the CDU to do transducer adjustment:
(a)
Push the INIT REF key on the CDU keyboard.
(b)
Push the LSK adjacent to <INDEX.
(c)
Push the LSK adjacent to MAINT>.
(d)
Push the NEXT PAGE key on the CDU keyboard.
(e)
Push the LSK adjacent to <RIGGING.
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