(4)
 Make sure that the warning notice to tell persons not to operate the pedals is in position.

 (5)
 Make sure that the PIN, RIGGING - RUDDER CONTROL (98A27901002000)

 (36) is in position on the tension regulator.
 4. Procedure
_________ R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 (Ref. Fig. 401/TASK 27-21-44-991-001)
 **ON A/C 301-399,

 (Ref. Fig. 401A/TASK 27-21-44-991-001-A)
 **ON A/C ALL

 (Ref. Fig. 404/TASK 27-21-44-991-004, 405/TASK 27-21-44-991-005)
 Subtask 27-21-44-420-051

 A. Installation of the F/O Yaw/Brake Bellcrank
 (1)
 Apply COMMON GREASE (Material No. 04-004) to the attachment hardware.

 (2)
 Install the yaw/brake bellcrank on the beam (110).

 (3)
 Install the sleeves (138) and (113).

 (4)
 Install the bolts (114), the bolts (115), install and tighten the new

 nuts (111).

 (5)
 Install the rod (143) on the sleeve (138) and install the bolt (144).

 (6)
 Install the washer (141), install and tighten the nut (140). Safety it with the new cotter pin (139).

 (7)
 Put the rod (133) in position and install the bolt (135).

 (8)
 Install the washer (128), install and tighten the nut (126). Safety it with the new cotter pin (127).

 (9)
 Install the rod (132) and the bolt (116).

 (10)
 Install the washer (120), install and tighten the nut (122). Safety it with the new cotter pin (121).

 (11)
 Put the rod (119) in position and install the bolt (134).

 (12)
 Install the washer (131), install and tighten the nut (130). Safety it with the new cotter pin (129).

 (13)
 Install the rod (118) and the bolt (117).

 (14)
 Install the washer (123) and install and tighten the nut (124). Safety it with the new cotter pin (125).

 (15)
 Install the rod (81) and the bolt (80).

 (16)
 Install the washer (82), install and tighten the nut (84). Safety it with the new cotter pin (83).

 (17)
 Install the PIN, RIGGING - RUDDER CONTROL (98A27901002000) (35) on the yaw/brake bellcranks of the CAPT and F/O.

 (18)
 Push and hold the pin on the transducer unit 25CE2 to lock the input lever in the zero position.

 NOTE : The pin is a part of the transducer unit 25CE2.
____
 (19)
 Install the rods (98) and (102) and install the bolt (103). If necessary, adjust the length of the rod (98) as follows:

 (a)
 Cut and discard the lockwire.

 (b)
 Loosen the nuts (94) and (97) and disengage the lockwashers (95) and (96).

 (c)
 Adjust the length of the rod (98) until you can install the bolt (103).

 (d)
 Engage the lockwashers (95) and (96) and tighten the nuts (94) and (97). Safety them with Lockwire corrosion resistant steel dia

 0.8 mm (0.03 in.).

 (20)
 Disengage the pin to release the input lever of the transducer unit 25CE2.

 (21)
 Install the washer (101) and install and tighten the nut (100). Safety it with the new cotter pin (99).

 (22)
 Install the rod (89) and the bolt (85). If necessary, adjust the length of the rod (89) as follows:

 (a)
 Cut and discard the lockwire.

 (b)
 Loosen the nuts (90) and (93) and disengage the lockwashers (91) and (92).

 (c)
 Adjust the length of the rod (89) until you can install the bolt (85).

 (d)
 Engage the lockwashers (91) and (92) and TORQUE the nuts (90) and

 (93)
 to 1.374 m.daN (10.13 lbf.ft). Safety them with Lockwire corrosion resistant steel dia 0.8 mm (0.03 in.).

 (23)
 Install the washer (86), install and tighten the nut (87). Safety it with the new cotter pin (88).

 (24)
 Remove PIN, RIGGING - RUDDER CONTROL (98A27901002000) (35) from the yaw/brake bellcranks of the CAPT and F/O.

 Subtask 27-21-44-080-051
 B. Remove the PIN, RIGGING - RUDDER CONTROL (98A27901002000) (36) from the tension regulator.

 Subtask 27-21-44-710-051
 C. Test of the F/O Yaw/Brake Bellcrank
 (1)
 Do the operational test of the rudder mechanical control (Ref. TASK 27-24-00-710-001).

 (2)
 Do the operational test of the normal braking system (operational check of the pedals) (Ref. TASK 32-42-00-710-001).
　
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