TM 1-1500-204-23-11
paragraph 6-7. Handle prepared
surfaces wearing powder free latex
gloves until bonding is complete.
If replacement core plug is not to
Do not clean replacement foam cores such
be bonded immediately, cover the
as Rohacell or K-Cor.
area with clean barrier material and
secure with tape to prevent con-
Wear powder free latex gloves when handling
tamination.
cleaned honeycomb core to prevent contam-
ination due to skin oils.
Remove replacement honeycomb
6
core and clean by lushing with
Reduced strength will result if the incorrect
a squirt bottle illed with solvent.
mix ratio is used, if an excessive amount
Allow to air dry until solvent has
of air is introduced into the adhesive during
completely evaporated.
mixing, or if mixing is inadequate and may
result in loss of structural integrity.
Wrap the core plug in clean nylon,
7
polyethylene or wax-free barrier
Pressure must be applied to adhesive within
paper until needed for assembly.
the pot life of the resin. For ambient temper-
atures in excess of 90 F, decrease this time
Prepare the opposite skin inner sur-
8
by 50%. An unsatisfactory repair will result
face. If the opposite side skin was
if the resin gels before adequate pressure is
not removed, prepare the opposite
applied and may result in loss of structural
skin inner surface for bonding by
integrity. Select and prepare a heat blanket
lightly hand sanding with 150-180
(if required) and all necessary vacuum bag
grit abrasive paper as described in
materials prior to mixing resin.
7-27
