-loosen the two screws and remove the protective cover.
(4)
Put the access platform in position at the zone 325.
(5)
Open the access doors 325BL, 325BR.
Subtask 27-26-00-480-052
C. Not Applicable
Subtask 27-26-00-865-051
D. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/ELAC1/NORM/SPLY 15CE1 B11 49VU FLIGHT CONTROLS/SEC1/NORM/SPLY 21CE1 B08 49VU AUTO FLT/FAC1/28VDC 5CC1 B04 49VU AUTO FLT/FAC1/26VAC 14CC1 B03 105VU FLIGHT CONTROLS/ELAC2/STBY SPLY 16CE2 A02 105VU FLT CTL/ELAC1/STBY SPLY 16CE1 A01 105VU FLT CTL/SEC1/STBY SPLY 22CE B01 121VU AUTO FLT/RUDDER/TRIM/IND 15CC M20 121VU AUTO FLT/FAC2/28VDC 5CC2 M19 121VU AUTO FLT/FAC2/26VAC 14CC2 M18 121VU FLIGHT CONTROLS/SEC3/SPLY 21CE3 Q19 121VU FLIGHT CONTROLS/SEC2/SPLY 21CE2 Q18 121VU FLIGHT CONTROLS/ELAC2/NORM/SPLY 15CE2 R20
Subtask 27-26-00-860-057
E. Aircraft Maintenance Configuration
(1)
On the overhead panel 23VU, make sure that:
-The FLT CTL/ELAC1, FLT CTL/FAC1 and FLT CTL/SEC1 pushbutton switches are pushed (on these pushbutton switches, the FAULT and OFF legends are off).
(2)
On the overhead panel 24VU, make sure that:
-The FLT CTL/ELAC2, FLT CTL/FAC2, FLT CTL/SEC2 and FLT CTL/SEC3 pushbutton switches are pushed (on these pushbutton switches, the FAULT and OFF legends are off).
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(3)
Pressurize the aircraft hydraulic systems (Ref. TASK 29-23-00-863-001) (Ref. TASK 29-24-00-863-001) (Ref. TASK 29-10-00-863-003).
(4)
On the maintenance panel 50VU, make sure that:
-The HYD/LEAK MEASUREMENT VALVES/B, HYD/LEAK MEASUREMENT VALVES/G and HYD/LEAK MEASUREMENT VALVES/Y pushbutton switches are pushed (on these pushbutton switches, the OFF legends are off).
(5)
On the center pedestal, on the panel 110VU, make sure that the RUD TRIM indicator shows 0.
(6)
Install the PIN - RIGGING (98D27207548000) (5) or RIGGING PIN SET (98D27207516000) pin (98D27207516330) on the mixer (4) of the artificial feel unit. (Ref. Fig. 501/TASK 27-26-00-991-001)
4. Procedure
_________
(Ref. Fig. 501/TASK 27-26-00-991-001)
Subtask 27-26-00-820-052
A. Adjustment of the Yaw Damper Actuation
(1) Adjustment of the left yaw damper actuator
(a)
Remove the cotter pin (7) and discard it.
(b)
Remove the nut (8) and the washer (9).
(c)
Remove the bolt (6) and disconnect the rod (11).
(d)
On the maintenance panel 50VU, release the HYD/LEAK MEASUREMENT VALVES/Y pushbutton switch (on this pushbutton switch, the OFF legend comes on).
R (e) Install the PIN - RIGGING (98D27207549000) (12) or RIGGING PIN SET (98D27207516000) pin (98D27207516330) on the output bellcrank
(10) of the yaw damper. You must install and remove the rigging pin easily. If not, do the adjustment of the left yaw damper actuator (2):
1 Cut and remove the lockwire from the nuts.
_
2 Loosen the nuts.
_
3 Release the lockwashers.
_
Position of the Rigging Pins
Figure 501/TASK 27-26-00-991-001
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4 Adjust the length of the actuator until you can install and
_ remove the rigging pin (12) freely.
5 Engage the lockwashers.
_
6 Tighten the nuts.
_ 7 Safety the nuts with Lockwire corrosion resistant steel dia
_ 0.8 mm (0.03 in.).
(f) Remove the rigging pin (12).
(2) Adjustment of the right yaw damper actuator.
(a) On the maintenance panel 50VU : 1 Release the HYD/LEAK MEASUREMENT VALVES/G pushbutton switch
_ (on this pushbutton switch, the OFF legend comes on).
2 Push the HYD/LEAK MESUREMENT VALVES/Y pushbutton switch (on
_ this pushbutton switch, the OFF legend goes off).
(b) On the overhead panel 23VU, release the FLT CTL/FAC1 pushbutton switch (on this pushbutton switch, the OFF legend comes on).
R (c) Install the PIN - RIGGING (98D27207549000) (12) or RIGGING PIN SET (98D27207516000) pin (98D27207516330) on the output bellcrank
(10) of the yaw damper. You must install and remove the rigging pin easily. If not, do the adjustment of the right yaw damper actuator(1):
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