Valve guide replacement.

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Grind valves. (cont)

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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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Install oversize guides

TM 9-2815-226-34-1

q. Valve guide replacement.

(1) Using punch, carefully drive out worn or loose valve guides from underside of head.

(2) With tool no. 3375282 valve guide driver, press guide into bore from top of head. Mandrel is designed to

establish correct guide height. If special driver is not available, press guide into head to obtain 1.270 to

1.280 in. (32.258 to 32.512 mm) height.

NOTE

If valve guide is loose or bore in head is damaged, 0.010 and 0.015 in. (0.254 and

0.381 mm) outside diameter oversize guides are available.

3-183