October 2015
Service Instructions
VA001-196-30 Rev. 1
19
Section 3: Actuator Reassembly
Actuator Reassembly
WARNING: DO NOT ALLOW END CAP TO ROTATE
Do not allow end cap (4-20) to rotate during center bar tightening. The end cap must
maintain the position as described in step 3.3.27. M3 jackscrew must be installed to be in
alignment with the target located on the piston assembly (4-50).
3�3�30
Tighten center bar hex nuts (8-20) to the proper torque as specified in the
following chart:
Table 4�
Tightening Torque Center Bar (2)
CBB Actuator Model
Maximum Torque
Lbf-in�
N-m
315
55
75
420 AND 520
100
136
525 AND 725
130
176
3�3�31
Adjust both M3 jackscrews (4-30) and (1-70) back to setting recorded in Section 2
step 2.1.2 under General Disassembly. Tighten both M3 jackscrew hex nuts (4-40)
and
(1-80) securely, while holding M3 jackscrews (1-70).
3�3�32
M3 hex drive hub or hand wheel installation as follows:
3�3�32�1
Install hex drive hub (12-10) or hand wheel (12-10) onto M3 jackscrews
(4-30) and (1-70) and align the “hole” of the drive hub with the “hole”
located in the outboard end of M3 jackscrews (4-30) and (1-70).
3�3�32�2
Install retainer ring (12-30) and groove pin (12-20) into the hex drive hub
(12-10) or hand wheel (12-10).
