Section III. REPAIRS AND ADJUSTMENTS

TM 11-6625-542-14-1

Figure 6-4. Tube locations, left side.

Section III. REPAIRS AND ADJUSTMENTS

of leads. If leads are numerous, tag leads.

6-8. General Precautions

(2) Care must be taken to avoid damage to

Observe the following precautions carefully when

other leads.

servicing the AN/USM-108A:

(3) Use the correct size soldering iron to

When servicing the chassis assembly, do not

avoid

overheating

components

and

damaging

disturb the settings of the variable resistors.

neighboring components.

When changing a component that is held by

(4) Do not allow loose solder to drop into the

screws, always replace the lockwashers.

unit thus avoiding the possibility of a short circuit.

Careless replacement of parts often makes

new faults inevitable. Note the following points:

(1) Before a part is unsoldered, note position

6-10