TM-9-2350-261-10 Operator Manual M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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TM 9-2350-261-10 WARNING SUMMARY (cont) WARNING Noises from carrier or weapons can damage hearing of personnel in carrier. All personnel in carrier must wear DOUBLE HEARING PROTECTION when guns or carrier are operated. Hearing protection devices must be properly worn to provide effective protection. If DOUBLE HEARING PROTECTION is not worn, the safe level of noise exposure will be exceeded in a short time. Hearing loss occurs gradually. Each noise exposure that exceeds the ear protection guidelines below will cause a temporary hearing loss. Over time, the loss in hearing will become permanent. Plan each day’s operation, and be sure all crew and riders have the required ear protectors. Spare foam earplugs must be available. Definitions: DH-132 The "tankers helmet," also called "CVC" helmet. Must be in good condition, with liner and earcups fitted tightly, and chin strap worn at all times. Earplugs Only standard issue earplugs are acceptable. All of the dismounted squad soldiers must be trained in how to use them. Since they may be removed and lost, spares must be carried. Double Hearing Protection Use of two hearing protection devices at the same time. For this carrier, use earplugs with the DH-132 helmet. Ear Protection Guidelines: Driver Must wear DH-132 helmet at all times. Must wear DH-132 helmet plus earplugs for operations exceeding 14 miles (23 km) in 24 hours. Must close hatch immediately if .50 caliber machine gun is fired over front part of carrier. Hatch may remain open and locked during carrier operation. Commander Must wear DH-132 helmet at all times. Must wear DH-132 helmet plus earplugs for all operations exceeding 14 miles (23 km) in 24 hours. Hatch may be locked open at all times. Squad Members Must wear helmet and ear plugs at all times. Use of Radio with Earplugs Wearing foam earplugs in addition to your DH-132 helmet can actually improve your ability to hear the radio in a high noise level area. DO NOT remove the earplugs to use the radio. LIST OF WARNINGS IN WP PROCEDURES This list includes all the critical WARNINGs in the WP procedures. Study these WARNINGs carefully. They can save your life and the lives of soldiers with whom you work. b