GEARBOX ASSEMBLY A9700 ALINEMENT.

TM 11-5820-670-30

2-29. GEARBOX ASSEMBLY A9700 ALINEMENT.

TEST EQUIPMENT AND MATERIALS

Maintenance Kit MK-1035/ARC-131

Power Supply PP-2953/U

TEST SETUP

Connect equipment as shown in test setup diagram. Turn on equipment and allow 5 minutes for

warmup.

ALINEMENT PROCEDURE

1. Place test set +28 vdc ON-OFF switch to ON, and adjust power supply output for +27.5 vdc.

2. Place test set +28 vdc ON-OFF switch to OFF, and power supply power switch to OFF.

3. Remove vhf tuner A1000 (para 2-68), oscillator buffer A6000 (para 2-89), and rf oscillator

assembly A2000 (para 2-70) from gearbox.

4. Place test set +28 vdc ON-OFF switch to ON, and power supply power switch to ON.

5. Set control unit frequency selectors to 53.00 MHz and allow gearbox to cycle.

6. Place test set +28 VDC ON-OFF switch to OFF.

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