TM-9-2350-261-20-3

CARRIER, M113A2, M577A2, M1064, M1068, M1059 AND M901A1

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL - VOLUME 3 OF 4

TM-9-2350-261-20-3 - Page 147 of 932

TM 9-2350-261-20-3

REPLACE COMMANDER’S HATCH VISION BLOCK, LOCKS, AND SEALS

0451 00

THIS WORK PACKAGE COVERS:

Removal (page 0451 00-1).

Installation (page 0451 00-3).

INITIAL SETUP:

Maintenance Level

Unit

Tools and Special Tools

General Mechanic’s Tool Kit (WP 0780 00, Item 29)

Socket Wrench Set (WP 0780 00, Item 96)

Torque Wrench (WP 0780 00, Item 102)

Torque Wrench (WP 0780 00, Item 104)

Materials/Parts

Adhesive (WP 0782 00, Item 2)

Seal

Spring pin

Personnel Required

Unit Mechanic

Equipment Condition

Engine stopped (see your -10)

Carrier blocked (see your -10)

Vision block removed (see your -10)

Ramp lowered (see your -10)

REMOVAL

NOTE

Steps 1 - 4 apply to all carriers except the M1064.

NOTE

There are five vision blocks on the commander’s hatch. Each block has two locks and one seal.

Task is for one lock and one seal.

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.

045100-1