CUMMINS N14 Specifications download pdf (Page 267)

100

101

Immediately after cleaning and inspecting, apply a film of

clean engine lubricating oil to capscrews that are to be

used again.

Cylinder Head - Replacing the Valve

Guides (02-03)

Disassembly

Use a valve guide driver, Part No. 3376398, (1) and an

arbor press to remove the old valve guides (2).

Cleaning

Use a flexible brush and solvent to clean the valve guide

bores in the cylinder head. Dry with compressed air.

Inspection

Measure the inside diameter of the valve guide bore in the

cylinder head.

Valve Guide Bore I.D.

mm in

19.05 MIN 0.750

19.07 MAX 0.751

NOTE: If the valve guide bore is worn larger than the max-

imum specified, the valve guide bore can be machined and

0.25 mm [0.010-inch] or 0.38 mm [0.015-inch] oversize valve

guides installed. Refer to the Alternative Repair Manual,

Bulletin No. 3379035.

Cylinder Head Cylinder Head - Replacing the Valve Guides (02-03)

N14 Page 2-25

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