Voltage Regulator A1 Heat Sink Repair

32-5865-218-24&P

ad.

Chassis

Repair.

(1)

Remove chassis (52) components in accordance

with

the

appropriate sections of paragraph 5-12.

(2)

Remove and replace a defective bottom

cover

bracket

(77)

in accordance with paragraph 5-12ab.

Replace chassis (52)

components

accordance

with

(3)

paragraph 5-12b.

ae.

Voltage Regulator A1 Heat Sink Repair.

Voltage regulator A1

heat sink is repairable by removing and replacing a defective threaded

insert.

To repair the heat sink, proceed as follows:

(1)

Remove

voltage

regulator

accordance

with

paragraph

5-12i.

(2)

Remove voltage regulator

components

accordance

with

paragraph 5-12j.

(3)

Insert blade of extracting tool into insert so that flat

side of blade faces top of insert (blade is perpendicular

to tang break-off point.

See figure 5-19(a)).

Strike head of extracting tool with a light blow to cause

(4)

the blade to cut into insert slightly.

Maintain steady pressure between blade

and

insert

while

(5)

unscrewing insert out of heat sink.

Thread replacement insert onto mandril of installation

(6)

tool.

Screw insert into hole to depth of one-half turn

below surface of heat sink.

Insert end of tang break-off tool into insert and apply

(7)

The spring-loaded punch mechanism within tang

pressure.

break-off tool will provide sharp blow to break tang.

Remove tang from hole.

(8)

Replace voltage regulator

components

accordance

with

(9)

paragraph 5-12j.

(10)

Replace

voltage

regulator

accordance

with

paragraph

5-12i.

5-57