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Page Title:
Cover shield gasket replacement. |
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  TM 32-5811-018-14&P
(2) Cover gasket replacement.
(a) Use damaged gasket (4A) as a pattern and cut new gasket
from rubber sheet.
(Item 11, App. D is used on top cover,
item 10, App. D is used on bottom cover.)
(b) Bond gasket (4A) to cover using clear adhesive, type 732
(item 2, App. D ) and allow one-minute drying time .
(c) Install top or bottom cover (2 or 3) on chassis (4) in
accordance with paragraph 6-8b(1).
(3) Cover shield gasket replacement.
(a) Use 20 rivets to secure shield gasket (4B) and plate (4C)
to top or bottom cover in accordance with paragraph 6-8c,
step 6.
(b) Install top or bottom cover on chassis (4) in accordance
with paragraph 6-8b(1).
(4) Captive screw replacement.
(a) Obtain replacement washer, and use center punch and hammer
to make washer conical in shape.
(b) Place conically-shaped washer over hole in access plate
where defective captive screw was removed.
Use pliers to secure washer.
(c) Thread replacement captive screw into hole and through
washer. Use pliers to flatten washer as much as possible.
(d) Replace rivets to secure shield gasket (4B) to plate (4C).
(Refer to paragraph 6-8c, step 6.)
(5) Thermostat switch S1 replacement.
(a) Solder wires to terminals of thermostat switch S1 (9D) as
tagged during removal.
(b) Slide heatshrink tubing (item 14, App. D) over connections
and shrink. Remove tags from wires.
(c) Ensure that bottom of switch is free of oil and dirt.
Spread a thin, even coat of silicone compound, type DC340
(item 5, App. D) on the bottom of the switch. Allow
one-minute drying time.
(d) Install thermostat switch S1 (9D) on heatsink (12) with
two screws (9B) and washers (9C).
(e) Install top cover (2) on chassis (4) in accordance with
paragraph 6-8b(1).
(6) Holddown hook replacement. Secure each holddown hook (8) on
front panel (9) with two screws (5), lock washers (6), and
flat washers (7).
(7) Power supply module PS1 through PS4 replacement.
(a) Ensure that bottom of module is free of oil and dirt.
Spread a thin coat of silicone compound, type DC340 (item
5, App. D), on the bottom of the module. Allow one-minute
drying time.
(b) Turn the chassis (4) upright and position the module (10)
on the heatsink (12).
6-16
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