DOs AND DON'Ts For Circuit Repair.

TB 9-2920-225-34-1

and replace if cracked, broken, or missing. Coat

d. DO--Use a 60W AC or DC soldering iron.

washers with insulation compound (silicone) per

Solid state components are easily damaged by ex-

MIL-S-8660, NSN 6850008807616.

cessive heat.

e. DON'T--Allow wires to become pinched be-

i. DO--After repair, remove all excess solder.

tweencovers, heat sinks, circuit boards, etc.

Check for loose wires, screws, and washers which

could cause short circuits and burnouts when

f. DON'T--Use a screwdriver to pry up transis-

power is applied to the regulator.

tors during removal. The mica washer between the

transistor and the circuit board or heat sink is thin

j. DO--Check the regulator cover seal, replace

and can be easily damaged.

if cracked or missing. Coat the seal with insula-

tion compound (silicone) per MIL-S-8660, NSN

g. DON'T--Drop transistors since they are

6850-008807616.

easily damaged. If a transistor is dropped it should

be checked before being installed in the circuit.

k. DO--Apply adhesive 80408779872 to the

h. DO--Check transistor insulating washers

adjustment access plug or screw.

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