REPLACE LOCKED-IN STUDS (M577A3 ONLY)

TM-9-2350-277-34 Carrier Personnel Full Tracked Armored M113A3 2350-01-219-7577 (EIC AE7) Carrier Command Post Light Tracked M577A3 2350-01-369-6085 (EIC AE7) Manual
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TM 9-2350-277-34 REPLACE LOCKED-IN STUDS (M577A3 ONLY) 0117 00 THIS WORK PACKAGE COVERS: Removal (page 0117 00-1). Installation (page 0117 00-1). INITIAL SETUP: Maintenance Level General Support Tools and Special Tools General Mechanic’s Tool Kit (WP 0120 00, Item 62) Portable Electric Drill (WP 0120 00, Item 7) Drill Set (WP 0120 00, Item 9) Lock ring drive tool (WP 0120 00, Item 13) Extractor Screw Set (WP 0120 00, Item 14) Hacksaw (WP 0120 00, Item 17) Screw Threading Set (WP 0120 00, Item 58) Materials/Parts Stud Personnel Required Track Vehicle Repairer 63H10 References See your -10 Equipment Condition Engine stopped (see your -10) Carrier blocked (see your -10) REMOVAL 1. Use a hacksaw to cut off broken stud as close to mounting surface as you can. 2. If a locked stud with serrated lockring is being removed, punch center of remaining stud. Drill a pilot hole. NOTE Key-locked studs have predrilled pilot holes. 3. Use an extractor to remove stud. Discard stud. INSTALLATION 1. Use correct size tap drill (see Table 1, page 0117 00-3) to drill hole for stud. 2. Tap threads. See Table 1, page 0117 00-3 for correct thread size. 3. Install new stud in threaded hole. 0117 00-1

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