FIGURE 4-6. Removing the Arbor

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Cylinder head pressure test procedures

TM-55-1905-223-24-5 Bowthruster Engine for Landing Craft Utility (LCU) NSN 1905-01-154-1191 Manual

Remove test equipment.

TM 55-1905-223-24-5

(2)

Use the following tools to cut the counterbore:

Valve seat insert tool kit

Valve seat insert cutter

Valve guide arbor

(a)

Install the arbor (1, FIGURE 4-6) into the valve stem guide. Put the

adapter sleeve from the tool kit onto the arbor.

FIGURE 4-6. Removing the Arbor.

(b)

Loosen the clamp screws (4, FIGURE 4-7) for the swivel (1) and for the

gear case.

FIGURE 4-7. Arbor Alignment.

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