TM 9-2350-277-20-4REPLACE COMMANDER’S CUPOLA VISION BLOCK LOCKS AND SEALS(M1064A3 ONLY)0491 00THIS WORK PACKAGE COVERS:Removal (page 0491 00-1).Installation (page 0491 00-3).INITIAL SETUP:Maintenance LevelUnitTools and Special ToolsGeneral Mechanic’s Tool Kit (WP 0926 00, Item 65)Socket Wrench Set (WP 0926 00, Item 72)Torque Wrench (WP 0926 00, Item 80)Torque Wrench (WP 0926 00, Item 84)Materials/PartsAdhesive WP 0928 00, Item 4SealPersonnel RequiredUnit MechanicReferencesSee your -10Equipment ConditionEngine stopped (see your -10)Carrier blocked (see your -10)Vision block removed (see your -10)REMOVALNOTEThere are five vision blocks on the commander’s cupola. Each block has two locks and one seal.Task is for one lock and one seal.0491 00-1
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