TM 10-5411-224-145-8. REPAIR OF SHELTER PANEL PUNCTURE - DAMAGE TO CORE - continued.CAUTIONWhen cutting honeycomb core, use care to ensure the interior skin is not cut.3. Using a putty knife, cut through the damaged honeycomb core using the edge of the cut out as a guide.4. Remove the damaged honeycomb material.5. Size a block of honeycomb core for the cut out. Ensure the honeycomb is the same thickness, length and width of thecut out, even with the skin that provides a snug fit.WARNINGTo avoid injury to personnel, safety glasses must be worn during drilling and sandingoperations.CAUTIONMake sure drill bit has a stop attached which will prohibit the drill from exceeding a depth of5/8 inch.6. Locate the aluminum patch to the shelter and pre-drill holes for 3/16-inch pop rivets (#11 drill) through the patch andskin of the shelter (approximately one inch spacing between centers and 1/2 inch from the edge of the patch).7. Set patch aside for later use.WARNINGTo avoid injury or death to personnel, no smoking is allowed when working with flammablematerials.WARNINGTo avoid injury to personnel, gloves must be worn when working with adhesive.8. Coat the interior opening of the cut out and the entire surface of the replacement honeycomb block with adhesive.9. Insert the replacement honeycomb block into cut out.10. Locate the skin patch to the shelter.5-21
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