TM 11-5820-922-40-1
WARNING
WARNING
Adhesives are irritating to the
Handling hot items presents a
serious injury potential.
skin and eyes upon contact, and
may emit harmful vapor. Use
Asbestos gloves are required.
only with adequate ventilation.
10.
Avoid all skin and eye contact.
Allow the adhesive to gel for a
minimum of 1 hour at room temperature
Use protective clothing such as
rubber gloves, apron and eye
and then bake for 1 hour minimum at a
temperature of 150 10 F, or allow
protection. Wash off immedi-
adhesive to air dry at room temperature
ately any accidentally contami-
for 24 hours. If adhesive is oven
nated skin area. Hand washing
facilities and eye wash foun-
cured, allow it to cool at room temper-
ature after removal from the oven.
tain should be provided. Do
not take internally.
REPAIR OF BROKEN THERMAL MOUNTING
PLATE POWER OR GROUND TABS. Broken
6. Use any one of the Narmco Epoxy
thermal mounting plate power or ground
tabs may be repaired using copper jumper
Adhesive Kits No. 3135 listed in table
wire by performing the following steps:
3-2. If the frozen premix kit is used,
allow it to thaw to room temperature
1.
Technical personnel familiar with
prior to use. If either of the two-part
the function of the circuit must deter-
kits is used, mix small, approximately
mine the two points to which the copper
equal, quantities of Part A and Part B,
jumper wire is to be attached.
using a disposable aluminum cup for
mixing. Mix thoroughly.
2.
Form the 26-gage insulated copper
jumper wire to the designated points and
cut to the required length (fig 3-9).
7.
Bond the jumper by applying a
uniform coat of adhesive over the entire
3.
length of the jumper wire. Do not use
Strip a distance of 1/4 to
5/16 inch from the wire ends.
more adhesive than necessary to com-
pletely cover the jumper wire.
CAUTION
WARNING
The areas to be soldered must
Handling hot items presents a
be heated until the solder
flows. Overheating can dam-
serious injury potential.
Asbestos gloves are required.
age the board or nearby com-
ponents. The wires being
soldered must not be allowed
to move in relation to one
8. Allow the adhesive to gel for
another until the solder has
1 hour minimum at room temperature and
completely solidified.
then bake for 1 hour minimum at tem-
perature of 150 10 F or allow adhesive
4.
Solder each end of the jumper wire
to the selected pads.
to air dry at room temperature for
24 hours minimum. If adhesive is oven
cured, allow it to cool at room temper-
5.
Encapsulate the jumper wire as
ature after removal from the oven.
described in steps 6 thru 8.
