Replace/Repair External Hardware. (FIGURE 2-1)

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Inspect Main Reduction Gear-Port and Starboard.

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

Replace/Repair External Hardware. (FIGURE 2-1)-cont.

TM 55-1905-223-24-2

MAINTENANCE OF MARINE REVERSE REDUCTION GEARBOX

2-14.

Replace/Repair External Hardware. (FIGURE 2-1)

This task covers:

a. Removal, b. Repair,

c. Replacement.

INITIAL SETUP

Tools

Equipment Condition

Deep well sockets, 1/2-inch drive,

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

12 pr, 10 mm thru 27 mm,

tagged "Out of Service, Do Not Operate."

5120-01-113-8078

Refer to the following paragraph in this

Allen wrenches 2 mm thru 9 mm,

maintenance manual:

5120-01-087-3616

Gearbox drained (PMCS Item 9)

Combination wrench set, metric

10 mm thru 24 mm,

5120-01-046-4979

Pipe bender set, TBT-6/25

Materials/Parts

General Safety Instructions

Pre-loaded valve P/N WAV850-A39A

Wipe up spills.

Valve P/N WAV850-A28

Do not accidentally bend or kink tubes

Pressure gauge P/N WAV850-A35

and hoses.

Buckets, Item 1, Appendix C

Shop cloths, Item 6, Appendix C

Warning tags, Item 12, Appendix C

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