Cover shield gasket removal

TM 32-5811-018-14&P

used near heat or open flame; the products of decom-

position are toxic and irritating. Since trichloro-

trifluoroethane dissolves natural oils, prolonged

contact with skin should be avoided. When necessary,

use heavy duty rubber gloves (item 8, App. D) that the

solvent cannot penetrate. If the solvent is taken

internally, consult a physician immediately.

Remove old adhesive using a cloth dampened (not wet) with

(c)

trichlorotrifluoroethane (item 19, App. D).

(3) Cover shield gasket removal.

Remove top or bottom cover in accordance with paragraph

(a)

6-8a(1).

(b) Remove 20 rivets securing shield gasket (4B) and plate

(4C) to top or bottom cover (2 or 3) in accordance with

paragraph 6-8c, steps (1) through (5) and remove shield

gasket.

(4) Externally relieved screw removal.

(a) Remove top or bottom access cover in accordance with

(b) Remove a sufficient number of rivets surrounding the area

where defective externally relieved screw (1) is located.

Refer to paragraph 6-8c, steps (1) through (5).

amount to gain access to defective screw, then use pair of

small bolt cutters to cut off screw head, and remove

washer and defective screw.

(5) Thermostat switch (S1) removal.

(a) Remove top cover (2) in accordance with paragraph 6-8a(1).

(b) Remove two screws (9B) and four washers (9C) that secure

thermostat switch S1 (9D) to heatsink (12).

unsolder wires from switch (9D) and remove switch.

(6) Holddown hook removal. Remove two screws (5), lock washers

(6), and flat washers (7) that secure holddown hook (8) to

front panel (9) and remove holddown hook.

(7) Power supply module PS1, PS2, PS3, or PS4 removal.

(a) Remove top and bottom covers (2 and 3) in accordance with

(b) Make a sketch of the top of the module (10) and identify

pins and related wires (some modules do not have pin

markings) .

module (10) .

(d) Turn the chassis bottom side up and remove four screws

(11) that secure power supply module (10) to heatsink

(12)

6-12