TB 9-4920-362-24
Table 5. Valve Current Meter
TRIM COIL SELECT
Multimeter connections to SAS
Multimeter indications
switch positions
ACTUATOR end of cable W2
(mA)
mA
LOW
Min
Max
Pin 2
Pin 1
1
-9.50
-10.50
Pin 2
Pin 1
2
0.0
0.0
BOTH1
Pin 2
Pin 1
+9.50
+10.50
BOTH2
Pin 4
Pin 3
-9.50
-10.50
BOTH1
Pin 4
Pin 3
+9.50
+10.50
1Adjust
CURRENT CONTROL toward DECR until valve current meter indicates +10.00 mA.
2Adjust
CURRENT CONTROL toward INCR until valve current meter indicates -10.00 mA.
b. Adjustments
(1) Set AC POWER switch to OFF.
(2) Remove TI from protective case.
(3) Set AC POWER switch to ON.
(4) Adjust CURRENT CONTROL until multimeter indicates 0.000.
(5) Adjust R15 (under circuit board, right front) until valve current meter indicates
00.00 with flashing polarity (R).
10. Final Procedure
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.
