FIGURE 4-56. Extended Foot Type Puller

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FIGURE 4-55. Cylinder Block Group

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

FIGURE 4-57. Liner Press Fit Area.

TM 55-1905-223-24-5

FIGURE 4-56. Extended Foot Type Puller.

(e) Use a liquid metal marker to mark the cylinder number on each liner.

(f) If the shims were removed, perform the following:

1 Tag and record cylinder number.

2 Measure and record the thickness of the shims used in each cylinder.

(2) Inspect the liner bore and counterbore as follows:

(a) Clean the cylinder block bore and counterbore with an approved cleaning

solvent.

(b) Remove any rough edges with crocus cloth.

NOTE

The top of the cylinder block must be flat and without damage or

distortion. Use a straight edge and a 0.002 inch (0.05 mm) feeler

gauge to check the surface.

(d) Inspect the liner bore and counterbore for cracks. If cracks are present, the cylinder block may be

used if:

1 Circumferential cracks do not extend into a cylinder head capscrew hole or water jacket hole.

2 Circumferential cracks do not extend beyond one-half the width of the counterbore ledge from the

radius.

4-101