Ceramic Feedthru.

TM 5-3610-220-14

NOTE

c. Installation.

Do not change position of clip ring on

new ceramic feedthru, part No.

(1) Install new tube by gently pushing each end of

A45W6. The position of the retainer

the tube into its retainer clip (6).

ring is factory set.

(2) Turn the tube (5) so that the tit in the center of

the tube points in the opposite direction of the ceramic

(1) Insert new ceramic feedthru (2) from front of

feedthru (2, fig. 4-8.1).

the reflector (1) so that the screw head is on the front side of

the reflector.

(3)

Connect AMP connectors to the terminal.

(2) Install retainer ring over side "A" of ceramic

(4) Install glass cover (4) and secure with retainer

feedthru. Place retainer ring as close against reflector as

clips (3) and screws (2).

possible, using retainer ring.

(3) Loop wire, that was unsoldered in

4-31.3. Ceramic Feedthru.

subparagraph c (3), through new solder lug. Close wire loop

around solder lug so that wire is mechanically secure, and

a. Description. The ceramic feedthru (2, fig. 48.1) is a

solder wire to the solder.

small ceramic cylinder with a metal contact point in the

(4) Reinstall lamp tube and glass cover as

center. The metal point makes contact with the glass side of

instructed in paragraph 4-31.2.

the xenon tube lamp and lights the gas in the tube. Striking

voltage is fed through the ceramic feedthru causing the pulsed

(5) Connect the light unit to the Power Supply,

effect.

and check for proper operation.

b. Cleaning.

4-31.4. Pulse Transformer (T1201)

(1) Remove the lamp tube as instructed in

paragraph 4-31.2 above.

a. Removal

(2)

Lift out reflector (1) from the light unit housing

(14).

(1) Remove glass cover and lift out reflector from

light unit housing. (See para 4-31.2.)

CAUTION

(2) Remove nut (4), fig. 4-8.1 and screw (5) from

Remove reflector with care; it blends

transformer retainer clip (6) and remove retainer.

very easily causing damage.

(3) Disconnect wiring to transformer (3) and

remove pulse transformer.

(3) Moisten a tissue (or cotton ball) with alcohol,

and clean the surface of the ceramic feedthru on both sides of

reflector.

b. Installation.

c. Removal

(1)

Place transformer (3) in position and connect

wiring.

WARNING

Make certain that Light Unit is

(2) Install transformer in retainer clip (6) and

disconnected from Power Supply

secure with screws (5) and nut (4).

before beginning ceramic feedthru

replacement.

4-31.5. Discharge Capacitor.

(1) Remove glass cover and lamp tube as

a. Removal

instructed in paragraph 4-31.2 above.

(2)

Remove reflector. (See b. above.)

(1) Remove two nuts (7, fig. 4-8.1) and screws (8)

that secure the capacitor and terminal strip (9) to the reflector

(3) Unsolder wire going to ceramic feedthru (2,

(1).

fig. 4-8.1) on the rear of the reflector.

(2)

Disconnect wiring from capacitor and remove

(4) Use retainer ring pliers to remove retainer ring

capacitor (9).

on rear-side of reflector, and slide ceramic feedthru (2) out of

reflector (1).

b. Installation

(1) Position capacitor (9) on the back side of

d. Installation.

reflector (1) and connect wiring.