TABLE NO. 3-39. API Does Not Indicate 180 6 0.2 When ROLL ATT Control Is Turned Clockwise One Full Turn From Zero To Zero.

TM 1-6625-735-14

TABLE NO. 3-39. API Does Not Indicate 180 6 0.2 When ROLL ATT Control Is Turned Clockwise

One Full Turn From Zero To Zero.

TEST OR INSPECTION

CORRECTIVE ACTION

Slowly turn test set ROLL ATT control counterclockwise one full turn from zero to

zero. API shall indicate 180 6 0.2 with dial at zero.

Step 1. If API indication is not correct, retest.

Step 2. If trouble remains, replace synchro B1.

API Does Not Indicate -90 6 0.2 When ROLL ATT Control Is Turned Counter-

TABLE NO. 3-40.

clockwise To 90.

TEST OR INSPECTION

CORRECTIVE ACTION

1. Slowly turn test set ROLL ATT control clockwise to 90. API shall indicate between

-906 0.2.

Step 1. If API indication is not correct, retest.

Step 2. If trouble remains, replace synchro B1.

Step 3. If API indication is correct, go to 2.

2. Pull out POWER 28 VDC circuit breaker CB3. Go to 3.

3. Remove 115 Vac and 28 Vdc facility power from test set. Go to 4.

4. Place all test set switches to OFF or NORM. Place AIRSPEED SWITCH to >60

KNOTS. Go to 5.

5. Remove angle position indicator (API) from SAS/stabilator test set.

TABLE NO. 3-41. Multimeter Does Not Indicate 27.5 6 0.5 Vdc When RATE GYRO TEST PITCH 1

Switch Is Pressed And Held To TEST.

TEST OR INSPECTION

CORRECTIVE ACTION

1. Connect digital multimeter between PITCH 1 TEST MONITOR and PWR GND

test jacks. Go to 2.

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