REPLACE DRIVERS HATCH VISION BLOCK LOCKS AND SEALS

FOLLOW-THROUGH STEPS - TM-9-2350-277-20-4_510

TM-9-2350-277-20-4 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 9-2350-277-20-4 REPLACE DRIVER’S HATCH VISION BLOCK LOCKS AND SEALS 0535 00 THIS WORK PACKAGE COVERS: Removal (page 0535 00-1). Cleaning, Inspection, and Repair (page 0535 00-3). Installation (page 0535 00-3). INITIAL SETUP: Maintenance Level Unit Tools and Special Tools General Mechanic’s Tool Kit (WP 0926 00, Item 65) Socket Wrench Set (WP 0926 00, Item 73) Torque Wrench (WP 0926 00, Item 81) Torque Wrench (WP 0926 00, Item 84) Materials/Parts Adhesive (WP 0928 00, Item 5) Cleaning compound solvent (WP 0928 00, Item 18) Rubber seal Spring pin Personnel Required Unit Mechanic References See your -10 Equipment Condition Engine stopped (see your -10) Carrier blocked (see your -10) Ramp lowered (see your -10) Vision block removed (see your -10) REMOVAL NOTE There are six vision block locks and four seals on the driver’s hatch. Task is for one lock and seal. Driver’s center vision block is held in place by two thumbscrews mounted on the warning light panel. Steps 1 - 4 apply to all carriers except M1064A3. 1. Remove thumbscrew (1) from arm (2). 2. Remove spring pin (3) from arm (2). Discard pin. 3. Remove arm (2) and washer (4) from hull bracket. 0535 00-1

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