Gentex HGU-56/P, Operation And Maintenance Instructions

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3-3.1 TPL or SCL Cloth Cover
Tools and Materials Required
• Scissors
•
Double-sided tape
• TPL cloth cover (XX-Small, 85D7088-15; X-Small, 85D7088-16; Small, 85D7088-17;
Medium, 85D7088-18; Large, 85D7088-19; X-Large, 85D7088-20)
or
• SCL cloth cover (XX-Small, 02D11546-8; X-Small, 02D11546-9; Small, 02D11546-10;
Medium, 02D11546-11; Large, 02D11546-12; X-Large, 02D11546-13)
Removal
1. Detach the earcups from earcup retainer pads
by disengaging the hook-and-pile fasteners, and
passing them through the retention straps.
Allow the earcups to hang outside the helmet by
the communications cord.
2. Referring to Figure 3-3 , squeeze the sides of
the TPL (or SCL) and remove the TPL (or SCL)
from the helmet.
3. Remove the TPL (or SCL) cloth cover ( Figure
3-4 ) as follows:
a. Remove and discard the thread attaching
the cloth cover to the plastic layers.
Replacement of thread is not necessary.
b. Fold the sides of the cover down to expose
the double-sided tape.
c. Remove the cover from the layers.
d. Remove the double-sided tape from the
layers.
Installation
1. Cut two 2-1/2-inch pieces of double-sided tape.
2. Attach a piece of tape to each side of the layer assembly (where the old tape was removed).
3. Turn the replacement cloth cover inside out; place the cover inside the layer assembly; fold
the sides of the cloth cover over the layer assembly. Ensure that the cover is positioned
correctly.
4. Squeezing the sides of the TPL (or SCL) , reinstall it in the helmet, aligning the rear edge of
the TPL (or SCL) with the top edge of the nape strap pad. Ensure that the nape hanger
strap is taut and the hook-and-pile fasteners are engaged.
5. Reinstall the earcups.
6. Check the fit of the helmet per Paragraph 2-4, beginning on Page 27.
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Figure 3-3. Removing TPL (or SCL)
Figure 3-4. TPL (or SCL)
Layers
Double-sided tape
(both sides of layers)
Thread
Cover