[Code of Federal Regulations]
[Title 49, Volume 4]
[Revised as of October 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR232.309]

[Page 467]
 
                        TITLE 49--TRANSPORTATION
 
       CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
PART 232--BRAKE SYSTEM SAFETY STANDARDS for FREIGHT and OTHER NON-PASSENGER TRAINS and EQUIPMENT; END-of-TRAIN DEVICES--Table of Contents
 
        Subpart D--Periodic Maintenance and Testing Requirements
 
Sec. 232.309  Equipment and devices used to perform single car air brake tests.

    (a) Equipment and devices used to perform single car air brake tests 
shall be tested for correct operation at least once each calendar day of 
use.
    (b) Except for single car test devices, mechanical test devices such 
as pressure gauges, flow meters, orifices, etc. shall be calibrated once 
every 92 days.
    (c) Electronic test devices shall be calibrated at least once every 
365 days.
    (d) Test equipment and single car test devices placed in service 
shall be tagged or labeled with the date its next calibration is due.
    (e) Each single car test device shall be tested not less frequently 
than every 92 days after being placed in service and may not continue in 
service if more than one year has passed since its last 92-day test.
    (f) Each single car test device shall be disassembled and cleaned 
not less frequently than every 365 days after being placed in service.

[66 FR 4193, Jan. 17, 2001, as amended at 66 FR 39689, Aug. 1, 2001]