FIGURE 3-79. Measuring Flywheel Runout.

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FIGURE 3-78. Oil Pan Torque Sequence.

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

Measure the flywheel face runout

TM 55-1905-223-24-3

(8) Tighten the capscrews in a star pattern to 200 ft-lb (270 N m) torque.

d. Measure the flywheel bore runout as follows:

NOTE

Use a dial indicator gauge (Figure 3-79) or its equivalent and a gauge attachment

to check the flywheel bore and surface runout.

FIGURE 3-79. Measuring Flywheel Runout.

(1) Install the gauge attachment to the flywheel housing.

(2) Install the gauge on the attachment.

(3) Install the contact tip of the indicator against the inside diameter of the flywheel bore, and set the

dial indicator at "O" (zero).

(4) Use the accessory drive shaft to rotate the crankshaft one complete revolution.

NOTE

The Total Indicator Reading (TIR) must not exceed 0.0050 inch (0.127 mm).

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