TM-9-2350-277-20-2 Unit Maintenance Manual Volume 2 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-2 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING LUBRICATION INSTRUCTIONS — Continued 0155 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: 75 Semi- Annual Driver’s Seat a. Replaced damaged seat components (WP 0551 00). Any missing, broken, or cracked seat hardware, less seat cushions, or locking mechanism fails to lock in any position. b. Replace seat belts with cuts, frayed, or broken buckle (WP 0552 00). WARNING Seat can spring up and hit you when vertical control handle is released. Make sure you are sitting in the seat before releasing vertical control handle. c. See that seat vertical locking mechanism and horizontal locking mechanism work properly (WP 0552 00, WP 0557 00). Lubricate locking mechanism as needed with OE/HDO. 0155 00-121 Change 3 VERTICAL LOCKING MECHANISM HORIZONTAL LOCKING MECHANISM SEAT BELT SEAT CUSHION SEAT