CUMMINS N14 Specifications download pdf (Page 570)

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Turbocharger - Inspection Specifications

Turbocharger Shaft End Clearance

Model No.

BHT3B/HT3B 0.03 MIN 0.001

0.10 MAX 0.004

BHT4C/HT4B 0.05 MIN 0.002

0.13 MAX 0.005

Turbocharger Compressor Impeller Radial

Clearance

Model No.

BHT3B/HT3B 0.15 MIN 0.006

0.46 MAX 0.018

BHT4C/HT4B 0.15 MIN 0.006

0.46 MAX 0.018

Turbocharger Turbine Wheel Radial

Clearance

Model No.

BHT3B/HT3B 0.20 MIN 0.008

0.53 MAX 0.021

BHT4C/HT4B 0.20 MIN 0.008

0.53 MAX 0.021

Note: Specifications and instructions for rebuilding the turbocharger are provided in the Turbo-

charger Component Shop Manuals, Bulletin Nos. 3810230 or 3810241, for Holset turbochargers.

Aftercooler Assembly Capscrews

Torque Value: 40 N•m [30 ft-lb]

Exhaust Manifold Flange To Turbocharger

Mounting Stud Torque

Torque Value: 40 N•m [30 ft-lb]

Note: Apply a coat of anti-seize compound to the threads. Use two mounting nuts locked together

to tighten the studs.

Air Compressor - Inspection Specifications

Single Cylinder Air Compressor

Crankshaft End Clearance

0.05 MIN 0.002

0.15 MAX 0.006

Note: Specifications and instructions for rebuilding the single cylinder air compressor are

provided in the Air Equipment Rebuild Manual, Bulletin No. 3810242.

Two Cylinder Air Compressor Crankshaft

End Clearance

0.05 MIN 0.002

0.19 MAX 0.008

Note: Specifications and instructions for rebuilding the two cylinder air compressor are provided

in the Air Equipment Rebuild Manual, Bulletin No. 3810257.

Turbocharger - Inspection Specifications Specifications

Page 18-66 NT 855

Part or Assembly Ref. Point mm in

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