Section II. DESCRIPTION AND DATA

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Figure 1-1. Landing craft, mechanized, diesel, design LCM (8) Mod-1-hull nos. 8540 through 8560 and 8580 through 8618.

TM-55-1905-217-34 Landing Craft Mechanized; Steel; DED; Overait Length 74 Feet Mod 1 Marl VIII Navy Design LCM-8 Manual

Table 1-1. Engine Repair and Replacement Standards

TM 55-1905-217-34

Key to figure 1.1.

Appendix A contains a list of publications

Bow/anchor light

15-inch chock

applicable to the LCM

(8) Mod-1 vessel.

The

Winch access plate

maintenance allocation chart is contained in TM 55-

Ramp hand pump and control valve

1905-217-12.

Pipeguard

1-2. Maintenance Forms and Records

12-inch bitt (3 each side)

Maintenance forms and records that you are required to

Landing craft lifting eye (1 each side)

use are explained in TM 38-570.

Starboard engine access

1-3. Reporting of Errors

Masthead light

You can improve this manual by calling attention to

10.

Not-under-command lights

errors and by recommending improvements, using DA

11.

Pilot house

12.

Lazarette cover plate

Form 2028 (Recommended Changes in Publications), or

13.

Stern light and mast

by a letter, and mail directly to the Commanding

14.

Lazarette hatch

General, U.S. Army Troop Support and Aviation Materiel

15.

Emergency tiller deck plates

Readiness Command, ATTN: DRSTS-MTPS, 4300

16.

Fuel fill port (full)

Goodfellow Blvd., St. Louis, Missouri 63120. A reply will

17.

Port engine access

be furnished directly to you.

18.

Engine exhaust ports

19.

Engine room hatch

20.

Draft marks

21.

Induction compass transmitter

Section II. DESCRIPTION AND DATA

1-4. Description

Type................................ ......... Twin 6-71, 2 Cycle Diesel

Displacement ........................... 851.2 Cu. Inch Total Displace-

A general description of the Landing Craft, design

ment

LCM (8) MOD-1, the location and description of Models ................................ ..... 12005A, 12006A

the identification and instruction plates, and Propeller Shaft Rotation: .......... Stbd.-Clockwise (For R. H.

information on the differences in models are

(As Viewed From .................. Propeller) Port-Counter-

contained in the Operator and Organizational

Output Flange)...................... clockwise (For L. H. Propel-

Maintenance Manual, TM 55-1905-217-12,

ler)

paragraph 1-7 and 1-8.

The repair and Weight Dry (Approximate) ........ 5860 Pounds

maintenance paragraphs of this manual contain Transmission ........................... Allison Hydraulic

detailed descriptions of the LCM (8) MOD-1 Transfer Gear:

components.

Type ................................ ..... Detroit Diesel

Reduction Ratio .................... 2:1

1-5. Differences in Models

Lube Oil Capacity ................. 18 Qts.

Lube Oil Flow........................ 7 Gal/Min

a. General. Landing Craft LCM (8) MOD-1 have Starter................................ ...... Electric 24 Volt, Outboard

been manufactured by difference contractors as

Engine; Hydraulic Starter-

follows:

Inboard Engine

Maximum Installation

Contractor

Hull Registry Numbers

Angle................................ .... 0-20

Marinette Marine Corp. . LCM-8500 thru LCM-8519 Rating (100F 29 In Hg.).......... 300 Shp at 1800 RPM Con-

Gunderson Bros.

tinuous

Engineering Corp ...... LCM-8520 thru LCM-8539 Air Consumption (Total) ........... 1275 CFM

Rohr Corporation .......... LCM-8540 thru LCM-8560 Cooling System (Keel

Rohr Corporation .......... LCM-8580 thru LCM-8618

Cooling( Eng:

Heat Rejection to

Components. Refer to Operator and

Coolant ............................... 7,150 Btu/Min

Organizational Maintenance Manual TM 55-1905-

Fresh Water Capacity ........... 9 Gallons

217-12.

Fresh Water Flow (To

Keel Cooler)........................ 57 Gpm

c. Maintenance. There are some differences in Maximum Pressure

maintenance procedures due to difference

Drop Through Keel

components installed in the vessels. Maintenance

Cooler................................ ... 6 Psi

procedures which are not designated by hull Raw Water Flow

numbers are common to all vessels.

(Auxiliary Raw Water

Pump) ................................ .. 22 Gpm

1-6. Tabulated Data

Max. Pump Pressure

(Raw Water) ......................... 10 Psi

a. General. This paragraph contains all the Fuel System/Eng:

maintenance data pertinent to direct and general

Fuel Consumption................. 21.5 Gph

support maintenance personnel.

Pump Flow ........................... 90 Gph

Max. Inlet Restriction

b. Propulsion Units Classification and Rating.

at Pump .............................. 6 In. Hg. (Clean Filter)

Change 1 1-3