(2)
Directional valve rocker arm (34)
(3)
Spacer (35)
(4)
Directional valve rocker arm upper bearing (36)
(5)
Spacer (37)
(6)
Thrust reverser follow-up cam (39)
(7)
Spacer (40)
G. Install support bracket (10) if partially removed in step 2.M. Install lockwire on airplanes with bolts and support bracket drilled for lockwire.
H. Carefully raise follow-up shaft until its top is just inserted into thrust reverser follow-up shaft upper bearing (41).
I. Push directional valve rocker arm lower bearing (33) down on follow-up shaft until it is seated against shaft flange then push directional valve rocker arm (34) down until seated on lower bearing (33).
J. Push spacer (35) and directional valve rocker arm upper bearing (36) down follow-up shaft (32) and seat firmly within rocker arm (34).
K. Push spacer (37) down and seat against directional valve rocker arm upper bearing (36).
May 15/79 76-11-61 Page 403 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
Thrust Reverser Follow-Up Shaft Installation 506
76-11-61 Figure 401 (Sheet 1) Aug 15/77
Page 404
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
506 Thrust Reverser Follow-Up Shaft Installation
Feb 15/69 Figure 401 (Sheet 2) 76-11-61
Page 405
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
L. Seat thrust reverser follow-up cam (39) against spacer (37) with indexing (wide) tooth and valley mated.
M. Seat spacer (40) against thrust reverser follow-up cam (39).
N. Push follow-up shaft upward until spacer (40) seats against follow-up shaft upper bearing (41). Retain follow-up shaft by installing washer (42) and locknut (43). Tighten locknut to torque of 100 to 140 pound-inches.
O. Position spacer (24A) and cover plate (25) on reverser follow-up shaft (32) with cover plate against strut lower firewall surface. Insert three screws (38) through support bracket, strut firewall, and cover plate and secure with washers (26) and locknuts (27).
P. Position follow-up crank (29) on splined portion of follow-up shaft (32) with indexing (wide) tooth and valley mated.
Q. Secure spacer (28) and follow-up crank (29) on follow-up shaft using washer (30) and locknut (31). Tighten locknut to 100 to 140 pound-inches.
R. Secure directional valve rocker arm (34) to thrust reverser directional valve (20) using screw (21), spacer(s) (22), and locknut (23). Tighten locknut to torque of 40 to 50 pound-inches.
S. Install engine thrust drum (7) on engine thrust shaft with indexing (wide) tooth and valley mated.
T. Secure engine thrust drum (7) to thrust shaft using washer (45) and nut (46). Tighten nut to torque of 200 to 500 pound-inches and lockwire to thrust drum (7).
U. Install engine control cables (2) on engine thrust drum (7) using new cotter pins (13) to retain cables. Remove identification tags from cables.
V. Install cable guard bracket (9) using four screws (16), spacers (17), washers (18) and locknuts (19). Check that all three start drum cable guards are installed before installing bracket.
501
76-11-61 Page 406 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. Jan 20/82
W. Install two engine start control cables on engine start drum (6) using new cotter pins (13) to retain cables. Align start drum (6) with start shaft splining prior to installing cables. Remove identification tags from cables.
X. Install engine start drum (6) with start cables installed on engine start shaft with indexing (wide) tooth and valley mated.
Y. Secure engine start drum (6) using washer (15) and locknut (14). Tighten locknut to torque of 100 to 140 pound-inches.
Z. Adjust and test engine control system for applicable engine (Ref 76-11-0, Adjustment/Test).
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