TM 11-6625-244012
Seq
Item
Procedure
Reference
No.
21
Torque logic
a. Set EU TEST SET SCAN switch to 5
b. Observe that with LATITUDE switch set
to NORTH, counter indicates 0; with
LATITUDE switch set to SOUTH,
counter indicates 56.250 ( 0.006) Hz.
a. Set C-D GYRO BIAS switch to GB1
22
Torque logic ........................
b. Set EU SCAN SELECT switch to CHAN Y,
and observe counter for an indication
of 75.000 ( 0.008) Hz.
a. Set EU SCAN SELECT switch to CHAN X
23
Torque logic ........................
b. Set EU TEST SET SCAN switch to 7, and
observe counter for an indication of
112.5 (1.0) Hz.
24
Torque logic ........................
Set EU SCAN SELECT switch to CHAN Y,
and observe counter for an indication
of 150 ( 1) Hz.
a. Set EU SCAN SELECT switch to CHAN Z
25
Torque logic ........................
b. Set EU TEST SET SCAN switch to 6.
c. Observe that with LATITUDE switch set to
NORTH, counter indicates 122 ( 1) Hz;
with LATITUDE switch set to SOUTH,
counter indicates 172 ( 1) Hz.
a. Set C-D GYRO BIAS switch to GB2
26
Torque logic ........................
b. Set EU SCAN SELECT switch to CHAN X.
c. Set EU TEST SET SCAN switch to 7, and
observe counter for an indication of
150 (1) Hz.
a. Set EU SCAN SELECT switch to CHAN Y,
27
Torque logic ........................
And observe counter for an indication
of 112.5 ( 1.0) Hz.
a. Set EU SCAN SELECT switch to CHAN Z
28
Torque logic ........................
b. Set EU TEST SET SCAN switch to 6
c. Observe that the LATITUDE switch set to
NORTH, counter indicates 122 ( 1)
Hz; with LATITUDE switch set to
SOUTH, counter indicates 172 (1) Hz.
a. Set EU SCAN SELECT switch to B
29
Torque logic ........................
b. Set EU PLATFORM SCAN switch to 3
c. Set C-D PLATFORM SLEW X switch to
PLUS and observe scope for an indica-
tion of +0.25 ( 0.25) V.
30
Torque logic ........................
Set C-D PLATFORM SLEW X switch to MINUS,
and observe scope for an indication of
+3.8 ( 1.4) V.
a. Set EU PLATFORM SCAN switch to 4
31
Torque logic ........................
b. Set C-D PLATFORM SLEW Y switch to
PLUS and observe scope for an indica-
tion of :0.25 ( 0.25) V.
32
Torque logic ........................
Set C-D PLATFORM SLEW Y switch to
MINUS, and observe scope for an
indication of 3. 8 (:1.4) V.
a. Set EU PLATFORM SCAN switch to 5
33
Torque logic ........................
b. Set C-D PLATFORM SLEW Z switch to
PLUS, and observe scope for an
indication of +0. 25 (:0. 25) V.
34
Torque logic ........................
Set C-D PLATFORM SLEW Z switch to
To MINUS, and observe scope for an
indication of +3. 8 (*1. 4) V.
∆ V self-test .........................
a. Set EU SIGNAL INPUT switch to 8
35
b. Set EU SCAN SELECT switch to CHAN X
c. Set EU TEST SET SCAN switch to 1
d. Observe counter for an indication of 1.0
( 0.5) Hz and scope for waveform D,
∆ V self-test .........................
a. Set EU SCAN SELECT switch to CHAN Y
36
b. Observe counter for an indication of 1.0
( 0.5) Hz and scope for waveform D,
3-13
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