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: WARNING Lowering ramp could injure personnel. Make sure no one is in ramp zone before you lower the ramp. Unlocked ramp can fall open suddenly. Personnel can be killed or injured. Ramp system and hull can get damaged if ramp unlocks when carrier is in operation. Do not operate carrier if locks do not secure ramp properly. Keep away from ramps that have come open during carrier operation. d. Tighten or replace cracked or leaky fitting on ramp cylinder and ramp control. Pumps fail to operate or raise ramp. e. Replace leaky ramp cylinder (WP 0656 00). f. Replace tubes or hoses that are cracked, crimped, or worn (WP 0660 00) or (WP 0668 00). g. Drain hydraulic system tank and service strainer every 1500 miles, semi-annually or when hydraulic fluid is changed to FRH. 1) Lower ramp (see your -10). 2) Place a suitable container under drain elbow on bottom of tank. 3) Remove drain cap and preformed packing from drain elbow. Discard packing. 4) Service hydraulic system tank breather (WP 0670 00) and strainer (WP 0669 00). 5) Install drain cap with new preformed packing on drain elbow. 6) Remove fill plug and preformed packing from top of tank. 0155 00-108 Change 3