TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
Page 688 of 1236
TM 9-2350-261-20-1 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING LUBRICATION INSTRUCTIONS — Continued 0120 00 ITEM NO. INTERVAL MAN- HOUR ITEM TO BE CHECKED OR SERVICED CREWMEMBER PROCEDURE EQUIPMENT NOT READY/ AVAILABLE IF: a. With ramp closed, check for tight fit on rear seal. Adjust ramp lock (WP 0556 00 and WP 0561 00) and linkage (WP 0558 00 and WP 0563 00) if needed. Ramp fails UP/DOWN operation using controls. Damage which allows ramp to free fall or wire rope is frayed or broken. NOTE Horn should be sounded before raising ramp, if tactical situation permits. b. Replace ramp seal that is cut, cracked, or hard (WP 0570 00). c. Replace wire rope that is frayed or has broken strands (WP 0564 00 and WP 0565 00). 0120 00-60