Subtask 27-22-51-860-053
G. Preparation for the Test NOTE : Do the worksteps that follow, if you install a rudder trim
____
actuator with the part number 6137-3. If you install a rudder trim R actuator with the part number 6137-4 or 6137-5, refer to the R subsequent subtask.
(1)
Remove the PIN - RIGGING (98D27207548000) (18) from the bellcrank of the rudder control unit.
(2)
Remove the PIN - RIGGING (98D27207547000) (17) from the rudder cable quadrant.
(3)
Remove the PIN - LOCKING (6137-013) (19) from the rudder trim actuator (3).
(4)
Remove the blanking plug (16) from the storage hole of the rudder trim actuator (3).
(5)
Make sure that the O-ring on the blanking plug (16) is installed and in good condition.
(6)
Install the blanking plug (16) in the rigging hole of the rudder trim actuator (3).
(7)
TORQUE the blanking plug (16) to to 0.10 m.daN (8.84 lbf.in).
(8)
Safety the blanking plug (16) with the lockwire MISCELLANEOUS (Material No. 19-010).
(9)
On the overhead panel 23VU, push the FLT CTL/FAC 1 pushbutton switch. The OFF legend goes off.
(10) On the overhead panel 24VU, push the FLT CTL/FAC 2 pushbutton switch. The OFF legend goes off.
Subtask 27-22-51-860-057
H. Preparation for the Test NOTE : Do the worksteps that follows, if you install a rudder trim
____ R actuator with the part number 6137-4 or 6137-5.
(1)
Remove the PIN - RIGGING (98D27207548000) (18) from the bellcrank of the rudder control unit.
(2)
Remove the PIN - RIGGING (98D27207547000) (17) from the rudder cable quadrant.
(3)
Remove the PIN - LOCKING (6137-060) (19) from the rudder trim actuator (3).
(4)
Make sure that the O-ring on the plug is installed and in good condition.
(5)
Install the plug in the rigging hole of the rudder trim actuator (3).
(6)
Safety the plug (16) with the lockwire, MISCELLANEOUS (Material No. 19-010).
(7)
Remove the PIN - RIGGING (98D27207546000) (20) from the bellcrank of the servo actuator 1025GM.
(8)
On the overhead panel 23VU, push the FLT CTL/FAC 1 pushbutton switch. The OFF legend goes off.
(9)
On the overhead panel 24VU, push the FLT CTL/FAC 2 pushbutton switch. The OFF legend goes off.
Subtask 27-22-51-720-050
J. Test
NOTE : Do the worksteps that follow, if you install a rudder trim
____ actuator with the part number 6137-3. If you install a rudder trim actuator with the part number 6137-4 or 6137-5, refer to the subsequent subtask.
(1)
Do the operational test of the rudder trim actuation (Ref. TASK 27-22-00-710-002).
(2)
Make sure that the PIN - LOCKING (6137-013) (19) is removed before you do the operational test of the rudder trim actuation.
(3)
If you operate the aircraft in actual CAT 3 conditions, do these tests:
-AFS-Test (Ref. TASK 22-96-00-710-001) and Land Test (Ref. TASK 22-97-00-710-001).
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Subtask 27-22-51-720-052
K. Test NOTE : Do the worksteps that follow, if you install a rudder trim
____
actuator with the part number 6137-4 or 6137-5.
(1)
Do the operational test of the rudder trim actuation (Ref. TASK 27-22-00-710-002).
(2)
Make sure that the PIN - LOCKING (6137-060) (19) is removed before you do the operational test of the rudder trim actuation.
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