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 TM 5-4120-386-14
4-33. HEATER ELEMENTS-Continued.
LOCATION/ITEM
ACTION
REMARKS
Removal -
d. Slide each heating element
Do not remove
(continued)
(3) from heater mounting
tags from heat-
bracket (11) and remove
er element wire.
insulator (15).
e. Remove heater mounting bracket
(11) with terminal board (TB2)
(4) and marker strip (16) from
unit.
f.
Remove two screws (17), two
lockwashers (18) and two
nuts (19) securing TB2
to bracket (11).
g. Remove TB2 from bracket (11).
Toluolene is flammable and its vapors
can be explosive. Repeated or pro-
longed skin contact or inhalation of
vapor can be toxic. Use in well venti-
lated area and keep away from sparks or
flame. Use goggles, gloves, and apron
when appropriate.
Installation
a.
Clean area with toluolene (Item
27, App. D) and lint free
cloth (Item 9, App. D).
b.
Measure and cut piece of
unicellular plastic foam
insulation (Item 25, App. D)
c.
Apply adhesive (Item 18, App
heater mounting bracket
using acid swab brush
(item 29, App. D) and allow
to become tacky.
d.
Press foam insulation firmly
into place.
Replace TB2 (4) if terminals are
e.
missing or unserviceable.
Replace marker strip (16) if
f.
cannot be easily read, if
cracked, or missing.
4-90
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