CUMMINS N14 Specifications download pdf (Page 561)

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101

Water Pump Assembly - Rebuild Specifications

Water Pump Body Bearing Bore I.D. 61.991 MIN 2.4406

62.017 MAX 2.4416

Water Pump Body Seal and Seat

Assembly Bore I.D. 36.45 MIN 1.435

36.47 MAX 1.436

Water Pump Impeller Bore I.D. 15.85 MIN 0.624

15.88 MAX 0.625

Water Pump Drive Pulley Bore I.D.

• Pre-88 NT 16.924 MIN 0.6663

16.949 MAX 0.6673

• 88 NT 15.85 MIN 0.624

15.88 MAX 0.625

Water Pump Shaft Journals O.D. 1 17.000 MIN 0.6693

(Big Cam IV and New Big Cam IV) 17.008 MAX 0.6696

2 25.001 MIN 0.9843

25.011 MAX 0.9847

3 15.905 MIN 0.6262

15.918 MAX 0.6267

Water Pump Shaft Journals O.D. 1 15.905 MIN 0.6262

(88 Big Cam IV) 15.918 MAX 0.6267

2 25.011 MIN 0.9847

25.022 MAX 0.9851

3 15.905 MIN 0.6262

15.918 MAX 0.6267

Water Pump Impeller Vane To Body

Clearance

• Phenolic 0.25 MIN 0.010

0.51 MAX 0.020

• Cast Iron 0.51 MIN 0.020

1.02 MAX 0.040

Specifications Water Pump Assembly - Rebuild Specifications

NT 855 Page 18-57

Part or Assembly Ref. Point mm in

1 2 ... 556 557 558 559 560 561 562 563 564 565 566 ... 586 587

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CUMMINS N14 Specifications Page 561

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