(c)
Disconnect the link-plate (29) from the input lever (30).
THS Actuator - Bonding Leads, Mechanical Input and Hydraulic Connections
Figure 402/TASK 27-44-51-991-002
Electrical Connections
Figure 403/TASK 27-44-51-991-003
1EFF : ALL 1 27-44-51 Page 407
1 1 Feb 01/98
1 1
1CES 1
R Primary Upper Attachment Figure 404/TASK 27-44-51-991-014
1EFF : 1 1 1CES ALL 1 111 27-44-51 Page 408 Feb 01/01
Removal and Installation Device 98D27407506000
Figure 405/TASK 27-44-51-991-004
1EFF : ALL 1 27-44-51 Page 409
1 1 Feb 01/98
1 1
1CES 1
R Primary Lower Attachments Figure 406/TASK 27-44-51-991-005
1EFF : 1 1 1CES ALL 1 111 27-44-51 Page 410 Aug 01/00
(3) Disconnect the Green and the Yellow hydraulic systems from the THS actuator (1) (Ref. Fig. 402/TASK 27-44-51-991-002)
CAUTION : PUT APPLICABLE COVERS ON THE ELECTRICAL EQUIPMENT TO
_______ PREVENT CONTAMINATION BY HYDRAULIC FLUID.
(a)
Put a drainage container in position below the hydraulic valve blocks (31),(34).
(b)
Put covers (resistant against hydraulic fluid) on the electrical equipment, which is installed in the area below the THS actuator (1).
CAUTION : USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION
_______ WHEN YOU DISCONNECT/CONNECT HYDRAULIC LINES ON UNIONS. IF YOU USE THE SECOND WRENCH, YOU WILL NOT LOOSEN OR TIGHTEN THE UNION TOO MUCH.
(c)
Disconnect the Green hydraulic system.
(d)
Disconnect the Yellow hydraulic system. 1 Cut and remove the lockwire from the union nuts of the
1_ Cut and remove the lockwire from the union nuts of the
flexible hoses (32),(33) to the valve block (31).
2_ Disconnect the flexible hoses (32),(33) from the high and the
low pressure connections of the valve block (31).
3_ Put blanking caps on the flexible hoses (32),(33).
4_ Put blanking caps on the open connections of the valve block
(31).
5_ Temporarily attach the flexible hoses (32),(33) to the
aircraft structure, clear of the THS actuator (1).
_
flexible hoses (35),(36) to the valve block (34). 2 Disconnect the flexible hoses (35),(36) from the high and the
_
low pressure connections of the valve block (34). 3 Put blanking caps on the flexible hoses (35),(36).
_ 4 Put blanking caps on the open connections of the valve block
_ (34).
5 Temporarily attach the flexible hoses (35),(36) to the
_ aircraft structure, clear of the THS actuator (1).
(e) Remove the drainage container from below the hydraulic valve blocks (31),(34).
(4)
Disconnect the electrical connections from the THS actuator (1) (Ref. Fig. 403/TASK 27-44-51-991-003)
(a)
Disconnect the electrical connectors 9CE-E, 9CE-F (49) from the command Rotary-Variable Differential-Transducer (RVDT) (50).
(b)
Disconnect the electrical connectors 9CE-A, 9CE-B, 9CE-C, 9CE-D
(51)
from the pitch-trim actuator (52).
(c)
Disconnect the electrical connectors 9CE-G, 9CE-H (53) from the monitor RVDT (54).
(d)
Put blanking caps on the open connections of the RVDTs (50),(54) and the pitch-trim actuator (52).
(e)
Put blanking caps on the open electrical connectors:
-9CE-A, 9CE-B, 9CE-C, 9CE-D (51)
-9CE-E, 9CE-F (49)
-9CE-G, 9CE-H (53).
(5)
Disconnect the primary upper attachment of the THS actuator (1) (Ref. Fig. 404/TASK 27-44-51-991-014)
(a)
Cut and remove the lockwire from the left and the right screws (42).
(b)
Remove the screws (42) and the washers (43).
(c)
Move the bolts (46) away from the connection of the attachment forks (3) and the gimbal ring (41).
(d)
Remove the shims (44) and the washers (45) from between the bolts
(46)
and the retainer nuts (47).
NOTE : Identify the locations of the shims (44) and the washers
____ (45) to make sure that you can install them at the same locations.
(e)
Remove the bolts (46) from the connection of the attachment forks
(3)
and the gimbal ring (41).
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