Upper Lock Assembly

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TM-9-2330-380-14-P Semitrailer Van: Electronic Tactical 12-Ton 4-Wheel XM1063 (NSN 2330-01-224-9244) and M129A4 (NSN 2330-01-372-5642) Manual

Door Seals

TM 9-2330-380-14&P

4-70. Upper Lock Assembly

This task covers:

a. Removal

b. Inspection and repair

c. Installation

Initial Setup:

Tools/Test Equipment:

EquipmentConditions:

General mechanic's tool kit (item 01, Appendix B)

Materials/Supplies:

a. Removal

1. Remove shoulder screw (1) and spacer (2) securing center

locking rod (3) and upper locking rod (4) to upper lock

assembly (5).

NOTE

Upper locking rod will remain attached to upper slide bolt assembly.

2. Remove center locking rod (3).

3. Remove four bolts (6), washers (7) and nuts (8) and upper lock

assembly (5).

b. Inspection and repair

1. Inspect parts for cracks, bends, excessive wear and deterioration. Replace defective

parts.

2. Straighten locking rods to assure proper alignment in upper and lower bolt slide

fasteners. Replace defective parts.

3. Straighten bends or dents in slide bolt assembly covers that may cause binding. Replace

defective parts.

4. Check lock for ease of operation. Using grease fitting on handle lock assembly, lubricate

in accordance with Appendix I, Lubrication Instructions.

5. Clean and paint if necessary.

c. Installation

1. Position upper lock assembly (5). Secure with four bolts (6), washers (7) and nuts (8).

2. On upper lock assembly (5), position lower end of upper locking rod (4) with upper end

of center locking rod (3). Secure with shoulder screw (1) and spacer (2).

Follow-on maintenance: None