Lifting Arm

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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

Cleaning

TM 9-2330-380-14&P

4-61. Lifting Arm

This task covers:

a. Removal

b. Cleaning

c. Inspectionandreplacement

d. Installation

Initial Setup:

Tools/Test Equipment:

EquipmentConditions:

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

Semitrailer parked on level ground.

Wheelschoke

Armsinliftpositon.

Materials/Supplies:

Brush (item 15, Appendix E)

Grease (item 5, Appendix E)

Personnel Required: Two

a. Removal

WARNING

Lifting arms are heavy. To prevent injury to personnel or damage to equipment, use an assistant to

help support lifting arms during removal/installation.

NOTE

XM1063 has six lifting arms. M129A4 has four lifting arms. All lifting arms are removed/replaced

in the same manner.

1. Have assistant support bracket (1). Remove two bolts (2), four clamps (3) and two nuts (4).

2. Remove shaft (5) and bracket (1).

WARNING

Bracket will drop after pin is removed. To avoid injury to personnel or damage to equipment, make

sure lifting arm is supported.

3. Pull out pin with chain assembly (6).