[Code of Federal Regulations]
[Title 46, Volume 2]
[Revised as of October 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 46CFR58.16-30]

[Page 263]
 
                           TITLE 46--SHIPPING
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 58_MAIN AND AUXILIARY MACHINERY AND RELATED SYSTEMS--Table of Contents
 
     Subpart 58.16_Liquefied Petroleum Gases for Cooking and Heating
 
Sec. 58.16-30  Operating instructions.

    (a) Before opening a cylinder valve, the outlet of the cylinder 
shall be connected tightly to system; and in the case where only a 
single cylinder is used in the system, all appliance valves and pilots 
shall be shut off before the cylinder valve is opened.
    (b) Before opening cylinder valve after connecting it to system, the 
cylinder shall be securely fastened in place.
    (c) When cylinders are not in use their outlet valves shall be kept 
closed.
    (d) Cylinders when exhausted shall have their outlet valves closed.
    (e) Nothing shall be stored in the metal enclosure except liquefied 
petroleum gas cylinders and permanently fastened parts of the system.
    (f) Valve protecting caps, if provided, shall be firmly fixed in 
place on all cylinders not attached to the system. Caps for cylinders in 
use may remain in the cylinder enclosure if rigidly fastened thereto.
    (g) The opening to the cylinder enclosure shall be closed at all 
times except when access is required to change cylinders or maintain 
equipment.
    (h) Close master valve whenever gas-consuming appliance is not in 
use.
    (i) No smoking is permitted in the vicinity of the cylinder 
enclosure when access to enclosure is open.
    (j) Test system for leakage in accordance with the following 
procedure: With appliance valve closed, the master shutoff valve on the 
appliance open, and with one cylinder valve open, note pressure in the 
gage. Close cylinder valve. The pressure should remain constant for at 
least 10 minutes. If the pressure drops, locate leakage by application 
of liquid detergent or soapy water solution at all connections. Never 
use flame to check for leaks. Repeat test for each cylinder in a 
multicylinder system.
    (k) Report any presence of gas odor to
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