Cummins N14 STC, Celect, Celect Plus – Service Manual 004-014   Push Rods or Tubes

Table of Contents

Install

Install

TOC

Use clean 15W-40 oil to lubricate the ball end of the push rods.

NOTE: The injector push rods (1) are larger in diameter than the valve push rods (2).

SMALL | MEDIUM | LARGE


Install the push rods into the corresponding numbered location.

SMALL | MEDIUM | LARGE
   


Inspect the adjusting screw. The contact area must
be smooth with an even seating pattern.

If parallel scratches are found in the contact area, the adjusting screw

must
be replaced. This condition is normally found with worn push rods that will also require replacement.

SMALL | MEDIUM | LARGE
   


 CAUTION 

If the adjusting screws protrude beyond the maximum listed below, the push rods can be damaged when the housing capscrews are tightened. Do not attempt to install the rocker lever shaft assemblies again without resetting the lash.

Loosen the rocker lever adjusting screws so there is a maximum of 32.0 mm [1.25 in] from the top surface of the lever and the ball end of the adjusting screw.

 
SMALL | MEDIUM | LARGE
   


Install the rocker lever cover gasket. The rocker lever cover gaskets can be used again if not
damaged.

SMALL | MEDIUM | LARGE
Last Modified:  21-Sep-2011