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Cummins N14 STC, Celect, Celect Plus – Service Manual 003-009   Rocker Lever Assembly

Table of Contents

Install

Install

 TOC

Install the adjusting screw and the lock nut in each rocker lever. Do

not
tighten the lock nuts.

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Install the exhaust (1), injector (2), and intake (3) rocker levers onto the shaft.

The two levers closest to the center of the rocker housing are the intake valve rocker levers. The levers closest to the end of the rocker housing are the exhaust valve rocker levers.

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 CAUTION 

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

Loosen the rocker lever adjusting screws so there is a maximum of 32 mm [1.250 in] from the top surface of the lever and the ball end of the adjusting screw.

  
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Place the rocker lever assembly over the dowel pin and dowel ring located in the rocker housing.

NOTE: Do

not
damage the dowel pin and ring located in the rocker housing.

  
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Make sure the push rods are in the cam follower sockets and align the push rods with the injector and valve rocker lever adjusting screws.

Alternately tighten the rocker shaft capscrews:

Torque Value:

  1. 54 n.m   
    [40 ft-lb]
  2. 108 n.m   
    [80 ft-lb]
  3. 156 n.m   
    [115 ft-lb]

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Adjust the valves and injectors. Refer to Procedure 003-004 in Section 3.

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Last Modified:  20-Sep-2011
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