Check main bearing bore alinement. (cont)

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Check main bearing bore alinement.

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TM-9-2815-226-34-1 Engine Diesel 6 Cylinder Inline Turbocharged Cummins NTC-400 BC2 Manual

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Check main bearing bore alinement. (cont)

TM 9-2815-226-34-1

(2) Install ST-1177-39 centering rings in center of bearing saddles. Tap in position with soft head hammer.

NOTE

Caps fit tightly to provide proper sealing.

(3) Assemble main bearing caps to saddles and torque capscrews as specified in para m(2) above.

(4) Lubricate centering ring bores and ST-1177-16 boring bar with engine oil.

(5) While rotating boring bar, slowly slide bar thr ough both centering rings.

(6) Spin boring bar; it should spin freely.

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