4-12. Lining, Helmet, Shock (TPL) Custom-Fitting.
General Safety Instructions
Proper fitting is essential to the
functioning of the HGU-56/P, all of its
Oven thermometer (00620)
modules, and, consequently, the safety of
the operator/wearer. Take as much time
as necessary to fit the AIHS precisely.
Use extreme care in taking measurements
Timer or equivalent
and checking fit.
Lining, Helmet, Shock (TPL)
(1680-ALSE-130-1, -2, -3, -4, -5, or -6)
Tape, pressure-sensitive UU-T-93)
Gloves, cotton (J729)
or Personnel with ASI of H2/Q2
(ALSE Qualified )
If using a non-convection oven to heat the lining, helmet, shock
(TPL), ensure that upper burner elements do not activate during heat-
ing, or plastic layers will melt.
Do not use a microwave oven; it will not
heat plastic layers.
1. Set oven rack to lowest position (refer
to Figure 4-10); heat oven (Item 20,
Appendix B) to 200°F ±5oF (93.3oC
C A U T I O N
Before you place the lining, helmet, shock
(TPL) in the oven, ensure that the cover is
attached properly to the plastic layers (not
Figure 4-10. Oven Rack Position
2. Place lining, helmet, shock (TPL) in center of rack in heated oven cloth side on
r a c k .
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