TM-9-2350-277-20-4

CARRIER M113A3, M577A3, M1059A3, M1064A3, M1068A3 AND M58

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL VOLUME 4 OF 6

TM-9-2350-277-20-4 - Page 488 of 861

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