Repair Camshaft and Gear Group

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REPLACEMENT

TM-55-1905-223-24-3 Ship s Service Generator for Landing Craft Utility (LCU) NSN 1905-01-154-1191 Manual

FIGURE 4-24. Measuring Gear and Shoulder Clearance.

TM 55-1905-223-24-3

4-13. Repair Camshaft and Gear Group

This task covers: a. Repair

INITIAL SETUP:

Tools

Equipment Condition

Tool kit, general mechanic's rail

Camshaft removal and replacement,

and marine diesel engines,

Hydraulic press P/N 2009-13

Machinists Measuring Set

Materials/Parts

Lubricating oil, Item 2, Appendix C

Metal cleaning solvent,

Crocus cloth (fine),

Lubriplate, Item 28, Appendix C

Wood blocks (to support gear if

removed)

Protective gloves, Item 40, Appendix C

Camshaft P/N 3049024

Spur gear P/N 3035195

Thrust washer P/N 215233

REPAIR

Inspect the camshaft and gear.

(1)

Clean the camshaft and gear with an approved solvent and dry.

NOTE

After the camshaft has been cleaned, do not touch the machined surfaces with

bare hands. This will cause rust to form. Lubricate the camshaft with clean

engine oil before handling.

(2)

Visually inspect the camshaft lobes for cracks, scratches, or other damage.

Replace the

camshaft if any damage is found.

(3)

Use a feeler gauge to measure the clearance between the gear and the shoulder of the

camshaft. The clearance must not exceed 0.005 inch (0.13 mm). See Figure 4-24.

Change 1

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