TM 55-1520-240-23-6
7-100
ADJUST INTEGRATED LOWER CONTROL ACTUATOR (ILCA) CROSS FEEDBACK
TRANSDUCER (AVIM) (Continued)
7-100
1.
Connect No. 1 cable 145GS278-5 (1) between
SAS 1 receptacle (2) and No. 1 extensible link
receptacle (3).
2.
Connect No. 2 cable 145GS278-6 (4) between
SAS 2 receptacle (5) and No. 2 extensible link
receptacle (6).
3.
Set electrical unit controls as follows:
a.
Power switch (7) to ON.
b.
Both FUNCTION SELECT switches (8 and 9)
to CLSD LOOP.
c.
Both FEEDBACK SELECT switches (10 and
11) to CROSS.
d.
Both VALVE CONTROLS (12 and 13) to
NULL.
e.
Both SQ WAVE controls (14 and 15) to
MINIMUM.
f.
Both LINK TEST switches (16 and 17) to
CROSS FDBK.
g.
Both EXTERNAL METER SELECT switches
(18 and 19) to SELF FDBK.
h.
BITE switch (20) to -20V.
i.
SYSTEM SELECT switch (21) to SAS 1.
j.
SOLENOID SHUTOFF switch (22) to CLOSE.
k.
CYCLE MOTOR switch (23) to OFF.
l.
LAMP TEST switch (24) to Released (out).
CAUTION
Do not bend rod. Rod is easily broken.
4.
Remove lockwire from nut (25) and bearing (26)
of transducer (27) on actuator (28).
5.
Loosen nut (25) until rod (29) can be turned with
fingers. Turn nut counterclockwise.
6.
Deleted.
7.
Turn rod (29) until DVM (31) indicates NULL.
8.
Torque nut (25) to 17 inch-pounds. Use wrench
and indicating scale.
9.
DVM (31) reading shall not exceed 0.018 volts.
Record reading. If more than 0.018 volts, repeat
steps 5 thru 8.
INSPECT
7-478
Change 1
