TM-9-2350-261-20-3 Unit Maintenance Manual Volume 3 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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TM 9-2350-261-20-3 REPLACE DRIVER’S HATCH VISION BLOCK LOCKS AND SEALS 0444 00 THIS WORK PACKAGE COVERS: Removal (page 0444 00-1). Clean (page 0444 00-2). Installation (page 0444 00-3). INITIAL SETUP: M a i n t e n a n c e L e v e l Unit T o o l s a n d S p e c i a l T o o l s General Mechanic’s Tool Kit (WP 0780 00, Item 29) Socket Wrench Set (WP 0780 00, Item 97) Torque Wrench (WP 0780 00, Item 103) Torque Wrench (WP 0780 00, Item 104) M a t e r i a l s / P a r t s Adhesive (WP 0782 00, Item 4) Cleaning compound solvent (WP 0782 00, Item 16) Rubber seal Spring pin P e r s o n n e l R e q u i r e d Unit Mechanic E q u i p m e n t C o n d i t i o n 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 M1064. 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. 4. Scrape seal (5) from vision block opening. 0444 00-1