Track Grouser

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: 8 Semi- Annual Track Grouser a. Check grouser for wear or cracks on both tracks. Replace track shoe if grouser measures less than 1/8’’ (3 mm) in height or if grouser is cracked. Grouser is worn below 1/ 8’’ or cracked. 1/8" GROUSER 1/8" 9 Semi- Annual Track Shoe Pads and Mounting Studs/Nuts a. Check track shoes pads and mounting for looseness and stripped threads on both tracks. If mounting nuts are stripped, replace track shoe pad (WP 0424 00). Tighten loose nuts to 135-155 lb-ft (183-210 N m). Use torque wrench (WP 0926 00, Item 80). Studs/nuts are cracked, stripped, missing or pad height is less than 1/16’’ above grouser. 0155 00-56

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