TM-9-2350-277-10 Operator Manual M113A3 M577A3 M1064A3 M1068A3 M58 Download

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TM 9-2350-277-10 PREVENTIVE MAINTENANCE CHECKS AND SERVICES — Continued 0090 00 ITEM NO. INTERVAL MAN- HOUR ITEM TO BE CHECKED OR SERVICED C R E W M E M B E R PROCEDURE EQUIPMENT NOT READY/ AVAILABLE IF: 80 Weekly AN/VVS-2 Driver’s Night Vision (DNV) WARNING HIGH VOLTAGE in the AN/VVS-2 can cause serious injury or death. To avoid accidents: ALWAYS connect powercable to DNV BEFORE turning MASTER SWITCH and DNV POWER switch to ON. ALWAYS wait at least twominutes BEFORE you disconnect power cable from periscope when turning DNV POWER switch and MASTER SWITCH to OFF. NEVER disconnect power cable from DNV until image disappears from periscope screen. NEVER touch end of cable. Voltage could exceed 16,000 volts. C A U T I O N Do not expose this instrument to direct sunlight during inspection. Direct sunlight or large amounts of light will damage the AN/VVS-2 DNV. Check AN/VVS-2 Driver’s Night Vision as follows: a. Check DNV for damage. Make sure DNV operates properly. Make sure you can see through DNV. Make sure MASTER SWITCH and DNV POWER switch are in off position. Inoperative and no other night sight available. 0090 00-114 Change 3