Radio Set AN/SRC-32 (Hulls 8540-8560 and 8580-8619)

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Figure 6-1. Radio set NA/SRC-32 (hulls 8540-8560 and 8580-8618).

TM-55-1905-217-34 Landing Craft Mechanized; Steel; DED; Overait Length 74 Feet Mod 1 Marl VIII Navy Design LCM-8 Manual

Figure 6-2. Radio set AN/VRC-46 (hulls 8540-8560 and 8580-8618).

TM 55-1905-217-34

CAUTION

Disconnect ground cable of battery prior to removal of components.

(1) Remove communications cabinet front panel by unfastening thumb screws. Retain panel.

(2) Disconnect handset cable from receiver/transmitter RT-826/SRC-32. Remove and retain handset H-272/SRC-

32.

(3) Remove the covers from receiver/ transmitter and dynamotor. Retain covers.

(4) Disconnect the input power cable at terminal block (TB-1) in the dynamotor and at the terminal block in the

communications cabinet. Remove and retain cable.

NOTE

When removing cables from terminal blocks record the position of wires on terminal block

studs to assure correct reinstallation of cables.

(5) Disconnect ground cable and cable shield from ground studs in receiver/transmitter. Remove mounting bolt,

washers and nut attaching ground cable to case. Remove and retain cable and attaching hardware.

(6) Remove cable between dynamotor and receiver/transmitter. Disconnect cable at terminal block (TB-2) in

dynamotor and terminal block (TB-1) in receiver/transmitter. Retain cable.

(7) Disconnect the cable between receiver/transmitter and insulator terminal. Remove and retain cable.

(8) Disconnect the antenna cable between antenna and insulator terminal. Remove and retain cable.

(9) Remove the antenna assembly from antenna base by unlatching the holding latch. Retain the antenna

assembly.

(10) Remove the receiver/transmitter by removing the remaining mounting bolts, washers, and nuts. Retain the

mounting hardware.'

(11) Remove the dynamotor from base of the communications cabinet by unfastening straps securing dynamotor.

(12) Install covers removed from the receiver/transmitter and dynamotor in step (3).

(13) Close and latch communications cabinet front panel. Connect the battery ground cable.

b. Repair. Refer to TM 11-5820-689-15.

c. Installation Figure 6-1. Install components in reverse order of removal. Be certain that proper polarity is

observed in connecting input cable.

6-2. Radio Set AN/VRC-46 (Hulls 8540-8560 and 8580-8619)

a. Removal. Refer to figure 6-2 and proceed as follows:

6-3