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Cummins N14 STC, Celect, Celect Plus – Service Manual 007-037   Lubricating Oil System

Table of Contents

Drain
Fill
Prime

Drain

 TOC

 WARNING 

Avoid direct contact of hot oil with your skin. Hot oil can cause serious personal injury.
 WARNING 

Some state and federal agencies have determined that used engine oil can be carcinogenic and can cause reproductive toxicity. Avoid inhalation of vapors, ingestion, and prolonged contact with used engine oil. If not reused dispose of in accordance with local environmental regulations.

Operate the engine until the water temperature reaches 60°C [140°F]. Shut the engine OFF.

Remove the oil filter. Refer to Procedure 007-013 in Section 7.

Remove the oil drain plug and drain the oil immediately to make sure all the oil and suspended contaminants are removed from the engine.

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Fill

 TOC

Install the oil drain plug and tighten.

Torque Value:  88  n.m  [65 ft-lb]

Add the specified amount of 36 liters [9.5 gal] of clean 15W-40 oil to fill the oil pan.

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Check the oil level on the dipstick. It must be filled to the “H” (high) mark. Use the following procedure for dipstick calibration. Refer to Procedure 007-009 in Section 7.

Operate the engine until the water temperature reaches 82°C [180°F], and check for leaks.

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Shut the engine OFF. Wait 5 to 7 minutes for the oil to drain back to the oil pan.

Check the oil level. Add oil as necessary to bring the level up to the “H” (high) mark on the dipstick.

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Prime

 TOC

 CAUTION 

The lubricating oil system must be primed before operating the engine after any internal engine repairs or extended engine storage (beyond 6 months) to avoid internal component damage. Do not prime the system from the bypass filter; the filter will be damaged.
 
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On CELECT™ engines, remove the lubricating oil temperature sensor from the lubricating oil pump cover.

Use the coupler, Part Number 3376859, or equivalent, to connect the priming pump to the coupling.

On N14 STC engines (Industrial), the lubricating oil pumps are equipped with a 9/16-18 UNF Compuchek® coupling nipple.

Use the coupler, Part Number 3376859, or equivalent, to connect the priming pump to the coupling.

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Install the priming pump oil supply hose to the lubricating oil pump coupling. Use clean 15W-40 lubricating oil from a drum or a container. Supply oil to the lubricating oil pump and engine.

Allow the oil to flow until the oil pressure gauge indicates a maximum pressure of 210 kPa [30 psi] at the main oil rifle to prime the lubricating oil system.

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Remove the priming pump oil supply hose and install the lubricating oil temperature sensor on CELECT™ engines or the 9/16 – 18 UNF Compuchek® coupling nipple on STC Industrial engines.

Torque Value:

Sensor

  1. 34 n.m   
    [25 ft-lb]
Torque Value:

Plug

  1. 34 n.m   
    [25 ft-lb]

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Fill the engine with lubricating oil.

Operate the engine until it reaches a temperature of 82°C [180°F], and check for leaks.

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Last Modified:  03-Oct-2011
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