[Code of Federal Regulations]
[Title 30, Volume 1]
[Revised as of July 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 30CFR7.83]

[Page 29-30]
 
                       TITLE 30--MINERAL RESOURCES
 
  CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
 
PART 7--TESTING BY APPLICANT OR THIRD PARTY--Table of Contents
 
  Subpart E--Diesel Engines Intended for Use in Underground Coal Mines
 
Sec. 7.83  Application requirements.

    (a) An application for approval of a diesel engine shall contain 
sufficient information to document compliance with the technical 
requirements of this subpart and specify whether the application is for 
a category A engine or category B engine.
    (b) The application shall include the following engine 
specifications--
    (1) Model number;
    (2) Number of cylinders, cylinder bore diameter, piston stroke, 
engine displacement;
    (3) Maximum recommended air inlet restriction and exhaust 
backpressure;
    (4) Rated speed(s), rated horsepower(s) at rated speed(s), maximum 
torque speed, maximum rated torque, high idle, minimum permitted engine 
speed at full load, low idle;
    (5) Fuel consumption at rated horsepower(s) and at the maximum rated 
torque;
    (6) Fuel injection timing; and
    (7) Performance specifications of turbocharger, if applicable.
    (c) The application shall include dimensional drawings (including 
tolerances) of the following components specifying all details affecting 
the technical requirements of this subpart. Composite drawings 
specifying the required construction details may be submitted instead of 
individual drawings of the following components--
    (1) Cylinder head;
    (2) Piston;
    (3) Inlet valve;
    (4) Exhaust valve;
    (5) Cam shaft--profile;
    (6) Fuel cam shaft, if applicable;
    (7) Injector body;
    (8) Injector nozzle;
    (9) Injection fuel pump;
    (10) Governor;
    (11) Turbocharger, if applicable;
    (12) Aftercooler, if applicable;
    (13) Valve guide;

[[Page 30]]

    (14) Cylinder head gasket; and
    (15) Precombustion chamber, if applicable.
    (d) The application shall include a drawing showing the general 
arrangement of the engine.
    (e) All drawings shall be titled, dated, numbered, and include the 
latest revision number.
    (f) When all necessary testing has been completed, the following 
information shall be submitted:
    (1) The gaseous ventilation rate for the rated speed and horsepower.
    (2) The particulate index for the rated speed and horsepower.
    (3) A fuel deration chart for altitudes for each rated speed and 
horsepower.