Posted on by

N14 Base Engine Troubleshooting and Repair Manual – 011-009   Exhaust Restriction

Table of Contents

Initial Check

Initial Check

 TOC

Install a vacuum gauge or water manometer into the exhaust air piping.

NOTE: The gauge adapter

must
be installed at a 90 degree angle to the air flow in a straight section of pipe, 127 mm [5 inch], from the turbocharger turbine outlet.

SMALL | MEDIUM | LARGE


Operate the engine at full throttle and at maximum horsepower RPM with maximum load, and record the manometer reading.

NOTE: Exhaust pressure

must not
exceed 1016 mm H

2
0
[40 in H

2
0]

  
SMALL | MEDIUM | LARGE
   


If exhaust pressure exceeds the specifications, visually inspect the exhaust piping, muffler, and rain cap for damage and restrictions. Refer to the equipment manufacturer’s repair instructions.

SMALL | MEDIUM | LARGE
   


Remove the test equipment.

SMALL | MEDIUM | LARGE
Last Modified:  12-May-2003
Avatar photo

Published by Jack

Hello, I'm Jack, a diesel engine fan and a blogger. I write about how to fix and improve diesel engines, from cars to trucks to generators. I also review the newest models and innovations in the diesel market. If you are interested in learning more about diesel engines, check out my blog and leave your feedback.