Repair Intermediate Shaft. (FIGURE 4-5)

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REPLACEMENT

TM-55-1905-223-24-2 Main Reduction Gear for Landing Craft Utility (LCU) NSN 1905-01-154-1191 Manual

DISASSEMBLY

TM 55-1905-223-24-2

4-11. Repair Intermediate Shaft. (FIGURE 4-5)

This task covers: a. Disassembly, b. Repair, c. Assembly.

INITIAL SETUP

Equipment Conditions

Tools

Deep well sockets, 1/2 inch drive

TM 55-1905-223-10, Engine secured,

12pt, 10mm through 27mm

tagged "Out of Service, Do Not Operate."

5120-01-113-8078

Refer to the following paragraphs in this

Combination wrench set, metric

maintenance manual:

10mm through 24mm,

Gearbox drained (PMCS Item 9)

5210-01-046-4979

External hardware removed (para. 2-14)

Hydraulic press P/N 200913

Fluid transmission cooler removed (para. 2-17)

Hydraulic nut P/N 220485

Double changeover filter removed (para. 2-18)

Snap ring pliers, 5120-00-595-9551

Control valve removed (para. 2-20)

Bearing puller P/N ST-1249

Torsional coupling removed (para. 2-21)

External input/intermediate shafts removed (para. 3-11)

Materials/Parts

Upper casing removed (para. 4-8)

Intermediate shaft removed (para. 4-10)

Anti-friction bearing,

General Safety Instructions

P/N WAV850-E15, WAV850-17,

WAV850-R15, WAV850-R13,

WAV850-R14

Be very accurate using the hydraulic nut.

Check valve P/N WAV850-K10

Component breaks loose with explosive force.

Shop cloth, Item 6, Appendix C

Solvent, Item 4, Appendix C

Crocus cloth, Item 9, Appendix C

Warning tags, Item 12, Appendix C

Overview of Intermediate Shaft.

Like repairing the input shaft, this procedure will involve a lot of bearing replacement and handling many rings and

spacers. Also, you will be using a special hydraulic nut to remove the clutch cover.

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