Sprocket Hub Screws

PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING LUBRICATION INSTRUCTIONS Continued - TM-9-2350-277-20-2_100

TM-9-2350-277-20-2 Carrier Personnel Full Tracked Armored M113A3 2350-01-219-7577 Carrier Command Post Light Tracked M577A3 2350-01-369-6085 Manual
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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 CREWMEMBER PROCEDURE EQUIPMENT NOT READY/ AVAILABLE IF: 13 Semi- Annual Sprocket Hub Screws a. Check sprocket hub screws for looseness or missing screws. Tighten loose screws to 170-190 lb-ft (231-258 N m) torque. Use torque wrench (WP 0926 00, Item 79). If screws are missing, replace (WP 0420 00). Any screws are missing, loose or worn. SPROCKET CUSHIONS SPROCKET SPROCKET HUB SCREWS MOUNTING SCREWS 14 Semi- Annual 0.5 Final Drive a. Tighten loose final drive-to-hull screws to 75-85 lb-ft (101-115 N m) torque. Use torque wrench (WP 0926 00, Item 79). NOTE Drain oil (3 1/2 quarts) only when hot after operation. NOTE Do not substitute hydraulic fluid for OE/ HDO or OEA. Red dye has been added to some final drives to aid in detection of leaks. b. Drain final drives every 150 hours/1500 miles or semi-annually. 1) Place a suitable container under final drive housing. 2) Remove drain plugs from final drive housing and drain oil into the container (WP 0452 00). 0155 00-61

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