GYRO INTERFACE ASSEMBLY

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GYRO INTERFACE ASSEMBLY

TM-55-1905-223-24-18-1 Landing Craft Utility (LCU) NSN 1905-01-154-1191 Basic Craft Part 1 Manual

TABLE 2-2. TROUBLESHOOTING

TM 55-1905-223-24-18-1

Table 2-2.

Troubleshooting

Malfunction

Test or Inspection

Corrective Action

GYRO INTERFACE ASSEMBLY - CONT

Stopping motor type inputs - reverse connections 1 and 2 on the

terminal strip labeled Gyro Transmission Unit in the gyro interface

unit.

68. System does not operate.

STEP 1. Check for incorrect or disconnected wiring.

Recheck wiring diagram for proper connections.

STEP 2. Check for mechanical binding of gears in gyro interface.

Disconnect stepper or synchro input to gyro interface. Rotate brass

knurled knob so that course dial rotates freely through 360' rotation.

Adjust backlash if necessary.

STEP 3.

Check to see if the gyro transmission unit output switch is in the

correct position.

Turn gyro transmission switch to ON position.

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