servo mounting lockwasher and capscrew, but only turn
Key to figure 4-8.
capscrew two or three threads.
1 Screw
19 Body
(5) Install servo tubes.
2 Washer
20 Bolt
(6) Install control valve (para 4-5).
3 Screw
21 Washer
(7) Tighten front servo mounting capscrew.
4 Washer
22 Servo assy, front
(8) Position rear servo anchor strut and rotate rear
5 Servo assy, rear
23 Ring
band to engage strut.
6 Pin
24 Sleeve
(9) Position servo actuating lever strut and install
7 Shaft
25 Ring
mounting lockwashers, setscrew, and cap screw.
8 Plug
26 Ring
(10) Refer to figure 4-7 to insure that the servos
9 Lever
27 Piston
have been installed as shown.
f. Front Servo Adjustment.
10 Bearing
28 Pin
11 Plug
29 Ring
(1) Loosen front servo adjusting screw locknut.
12 Retainer
30 Spring
(2) Back off nut three turns.
13 Retainer
31 Pin
(3) Loosen adjusting screw five complete turns.
14 Spring
32 Pin
(4) Using front band adjusting wrench, insert 1/4"
15 Plug
33 Screw
spacer between lever end stem.
16 Spring
34 Nut
(5) Tighten screw until ratchet overruns.
17 Piston
35 Lever
(6) Back off adjusting screw one complete turn and
18 Ring
36 Body
tighten locknut to 20-25 ft-lbs. torque.
g. Rear Servo Adjustment.
c. Cleaning and Inspection.
(1) Loosen adjusting screw locknut three turns with
(1) Inspect bodies for dents and cracks.
3/4" socket.
(2) Inspect screws and nuts for stripped threads.
(2) Back off adjusting screw until free travel is
(3) Inspect mating surfaces for burrs, and remove
obtained.
all burrs.
(3) Tighten adjusting screw until ratchet overruns.
(4) Inspect shafts and levers for excessive wear
(4) Back off adjusting screw 12 turns.
or other defects.
(5) Hold adjusting screw stationary and tighten
(5) Inspect springs for fatigue and distortion
locknut to 40 ft-lbs torque.
(6) Replace defective parts as necessary.
(7) Discard and replace rings.
4-7. Transmission Lever Linkage
d Reassembly and Installation. Reassembly front
and rear servos as shown in figure 4-8.
a. Removal.
e. Installation.
(1) Remove front and rear servos (para 4-6).
(1) Position front servo with band forward and
(2) Remove transmission lever linkage shown in
ends up.
figure 4-9.
(2) Position servo strut with slotted end aline with
b. Disassembly. Disassemble transmission lever
servo actuating lever and small end alined with band
linkage as shown in figure 4-10.
end.
(3) Rotate band, strut, and servo into position
engaging anchor end of band with anchor pin in
transmission case.
(4) Locate servo on dowel in case, install front
4-11
