(k)
 Safety the nuts (22) with the new cotter pins (21).

 (3)
 Engage the bracket assembly on the sprocket shaft (19).

 (4)
 Install the drive shaft assembly on the airframe structure:

 (a)
 Put the bracket (37) and the drive shaft assy in position near the airframe structure.

 (b)
 Install the bracket (37) with the bolts (1), the washers (2), and the nuts (3) on the airframe structure.

 (c)
 TORQUE the nuts (3) to 0.8 m.daN (70.79 lbf.in).

 (d)
 Safety the nuts (3) with the new cotter pins (4).

 (5)
 Install the link plate on the mechanical input lever of the THS actuator:

 (a)
 Put the link plate (30) in position on the mechanical input lever (31).

 (b)
 Install the link plate (30) with the bolts (32), the washers (29) and the nuts (28) on the mechanical input lever (31).

 NOTE : Make sure that you install the bolts (32) in the correct
____
 direction
 (Ref. Fig. 402/TASK 27-41-45-991-002)

 (c)
 TORQUE the nuts (28) to 0.8 m.daN (70.79 lbf.in).

 (d)
 Safety the nuts (28) with the new cotter pins (27).

 (6) Install the chain on the sprocket:
 (a) Apply COMMON GREASE (Material No. 04-004) to the sprocket (11) and the chain (47).
 1EFF : ALL 1 27-41-45Page 416 1 1 May 01/04R 1 1 1CES 1

 (b)
 Align the holes in the sprocket shaft (19) and the sprocket (11).

 (c)
 Engage the chain (47) on the sprocket (11). NOTE : Make sure that the length of the LH chain is 33.6 links

____ +1.15/-0.26 links (320.7 mm (12.6259 in.) +11.0 mm (0.4330 in.) -2.5 MM (0.0984 IN.)) tangential from the center of the sprocket.

 (d)
 Push the sprocket (11) with the chain (47) on the sprocket shaft (19).

 (e)
 Install the sprocket (11) with the bolt (9), the washers (10),

 (12)
 and the nut (13).

 (f)
 Safety the nut (13) with the new cotter pin (14).

 (7)
 Put the chain cover base plate (48) in position and attach the lower chain cover (41) with the quick-release fasteners to the chain cover base plate (48).

 (8)
 Install the upper chain cover (17) with the quick-release fasteners (33).

 (9)
 Install the washers (16) and the screws (15) on the upper chain cover

 (17) and tighten the screws.
 (10)
 Adjust the cable tension (Ref. TASK 27-41-00-220-002).

 (11)
 Make sure that the locking clips are correctly installed in the turnbuckles of the THS control cables.

 (12)
 Do the functional test of the THS mechanical control (Ref. TASK 27-41-00-720-001).

 Subtask 27-41-45-080-050
 B. Removal of the Rigging Pins
 (Ref. Fig. 401/TASK 27-41-45-991-001)

 (1)
 Remove the PIN - RIGGING (0U190360) from the mechanical input of the THS actuator.

 (2)
 Remove the RIGGING PIN - THS MECHANICAL CONTROL (98D27407532000) from the regulator.

 (3)
 Remove the PITCH TRIM CONTROL LOCKING (98D27403500000) from the pitch trim control wheel (Ref. TASK 27-00-00-080-001).

 Subtask 27-41-45-865-052
 C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 15CE1, 16CE1, 19CE1, 19CE2, 19CE3
 5. Close-up
________ R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 Subtask 27-41-45-410-050
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the access panel 311AL and close the access door 312AR.

 (3)
 Remove the access platform(s).

 (4)
 Install the floor panels 241FF, 241BF (Ref. TASK 53-32-12-400-002).

 (5) Remove the warning notice(s).
 **ON A/C 301-399,

 Subtask 27-41-45-410-050-A
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the access panel 311AL and close the access door 312AR.

 (3)
 Remove the access platform(s).

 (4)
 Install the floor panels 231BG, 231JG (Ref. TASK 53-22-12-400-001).

 (5)
 Remove the warning notice(s).

 THS HYDRAULIC ACTUATION - DESCRIPTION AND OPERATION
　
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