Suggested Safety Guidelines for Propane Use:


Operate your LP gas engine exactly as you did when it ran on gasoline or as recommended by manufacturer. As with any engine a warm-up period of a minute or two at fast idle is advisable. Because an LP gas fuel system is simple, it is unlikely adjustments will be necessary. However, if they are required, see you LP gas carburetion serviceman.


These common-sense rules should be observed:

  1. Perform service work on an LP- gas fuel system in an open or well ventilated area. Never allow the gas to escape in a closed area. LP gas is heavier than air and may settle in low places.
  2. Avoid cutting and welding operations near LP gas systems.
  3. Handle LP-Gas containers carefully. Do not drop or drag.
  4. Installation and repair should be done only by qualified service personnel.
  5. Never test for leaks with a flame. Use soap suds test or approved leak detector.
  6. Do not fill tanks not properly labeled for LP gas. Do not put propane into tanks with working or service pressure less than 240psi. Do not tamper with valves or fitting in the LP-Gas system.


LP-Gas, as all fuels, must be treated with respect and care. On detection of escaping gas take the following steps.

  1. Immediately shut off the tank service valves.
  2. Eliminate all possible outside sources of ignition
  3. Summon qualified LP-Gas personnel


  1. Stop flow of gas as quickly as possible. If fire occurs, never put out flame unless gas can be shut off.
  2. Notify fire department and clear immediate area of all people.
  3. When gas flow is stopped, put out the fire. Usually when flow of gas is cut off, fire will automatically stop. Carbon dioxide and dry chemical extinguishers may be used. DO NOT USE CARBON TETRACHLORIDE EXTINGUISHERS (PYRENE ETC.)
  4. If gas flow cannot be immediately stopped, direct water on tanks to keep them cool, but do not put out fire.

LP-Gas is by nature odorless and invisible. An identifying odor has been added so that the presence of gas can be quickly detected.

REFUELING: Qualified Personnel Only

Refueling an LP-Gas vehicle is a simple process; however, there are important steps to follow:

  1. Occupants should not remain in the vehicle while refueling.
  2. Refuel in well ventilated are. Do not fill tanks indoors.
  3. Turn off ignition. Set brakes.
  4. NO SMOKING or OPEN FLAMES and all pilots out.
  5. Remove protective cap from filler valve and connect filler hose.
  6. Open valve at end of fill hose. Next open main valve at storage tank.
  7. Open 20% liquid level gauge on tank. (Slight opening of the valve is sufficient).
  8. Turn propane pump on. Start fuel transfer. (Be sure all liquid valves are open before starting pump.)
  9. Never fill past the maximum safe level as indicated by 20% liquid level gauge. DO NOT OVERFILL.
  10. When liquid appears at liquid level gauge, close valve on end of fill hose immediately. Close 20% liquid gauge finger tight (never use pliers).
  11. Shut propane pump “OFF.” Close main valve at storage tank. Disconnect all hoses and replace caps.
  12. Avoid body contact with liquid fuel, as its freezing effect can have the same results as a severe burn.

Questions: Please contact your local qualified propane gas personnel.

Your local fire marshal is the authority having jurisdiction.


Liquefied Petroleum Gas Code—NFPA 58

It is suggested that all installations be made in compliance with NFPA Standard 58 and/or applicable state, federal and local regulations. Only equipment approved as required by NFPA Standard 58 and/or applicable state, federal and local regulations will be used in installations or servicing vehicles. The installer maintains and will continue to maintain the minimum level of product liability insurance required by the jurisdiction in which his facility is located as long as he makes propane carburetion installations and repairs.

NFPA 58 Liquefied Petroleum Gas Code. NFPA 58 is the most trusted source for safety requirements concerning highway transportation of LP-Gas and the design, construction, installation and operation of all LP-Gas systems.

                      NFPA 58      Liquefied Petroleum Gas Code, 2011 Edition                            $50.50 
                                             Liquefied Petroleum Gas Code HANDBOOK, 2011 Edition  $127.50                                                                            Set of both LP Gas Code & Handbook, 2011 Editions           $151.50

NFPA 505 Fire Safety Standard for Powered Industrial Trucks Including Type Designation and Areas of Use, Conversions, Maintenance and Operation.

                        NFPA 505   2011 Edition                                                                                      $33.50

NFPA 37 Standard for the Installation and Use of Stationary Combustion Engines and Gas Turbines.

                        NFPA 37     2010 Edition                                                                                      $39.00

NFPA 52 Compressed Natural Gas (CNG) Vehicular Fuel System Code.

                        NFPA 52     2010 Edition                                                                                      $50.50

Prices shown are non-member prices as of May 2012. Prices do not include cost of shipping.
To order, call NFPA at 1-800-344-3555 or go to the NFPA website: