What You Need to Know About Propane Tank Safety

11 Aug.,2025

 

What You Need to Know About Propane Tank Safety

Propane, commonly referred to as liquefied petroleum gas, is often used to fuel forklifts. The substance is colorless, nontoxic, and virtually odorless, which may make it seem harmless. Yet, if propane safety measures are not followed, the consequences can be dire.

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Safe handling of a forklift propane tank is a must. By teaching your workers about forklift propane tank safety, you can verify that all lift fuel containers are stored and maintained properly. Plus, you can comply with myriad forklift propane safety requirements. 

Why Is Forklift Propane Tank Safety Important? 

Propane is flammable, and as such, businesses that store, use, or transport propane must follow CGA (Compressed Gas Association) and OSHA safety guidelines. In doing so, these companies can limit the risk of propane explosions, spills, and other fuel-related accidents.

A Closer Look at CGA and OSHA Propane Safety Guidelines

CGA and OSHA propane safety guidelines can be classified into three categories:

Storage

To properly store propane, workers must:

Limit the amount of propane stored in an industrial facility to 300 lbs.; in buildings with designated areas for propane storage, workers can store up to 10,000 lbs. of propane

Avoid storing propane cylinders in high-traffic and busy areas, such as near stairways or exits

Keep propane cylinders away from any flammable or combustible materials

Store propane in cylinder safety cages or cabinets; propane cylinders must be kept off the ground and in flat areas where they cannot collect water

Keep any propane cylinders that are not currently in use outside in an open air storage space or cage; these cylinders must be stored under a protective roof and remain a minimum of 20 ft. away from all buildings

Keep propane tanks away from areas where they may be exposed to excessive heat (temperatures of 120°F or higher)

Use a chain or other support systems to prevent propane cylinders from falling

Check the date on a propane cylinder’s collar periodically to ensure that the cylinder’s re-qualification date has not passed

Keep an eye out for rust and other signs of leaks on propane tanks

Ensure fire extinguishers are placed near areas where propane cylinders are stored

Protect propane cylinder valves to limit the risk of damage if cylinders are dropped or fall

In addition to these storage requirements, propane cylinders used for forklifts must be stored horizontally or vertically. If these cylinders are placed horizontally, their relief device must be pointed upward in the 12 o’clock position.

Use

In terms of propane tank use, CGA and OSHA require workers to:

Follow the manufacturer’s instructions any time they use a forklift or other propane-powered equipment

Ensure only trained and authorized personnel use propane-powered equipment and replace propane tanks

Wear hand, face, and eye protection when connecting or disconnecting a propane tank from equipment

Avoid using metal tools when they change a propane tank

Avoid using too much force when they open a propane tank valve

Avoid rolling, dropping, or dragging a propane cylinder

Close a propane tank’s valve any time the cylinder is not in use

Perform periodic inspections of any propane-powered equipment

Avoid smoking or any other potential ignition sources when working near a propane tank

Avoid disassembling a propane tank

Avoid letting a propane tank overheat

Avoid modifying or repairing a propane tank valve or regulator

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Treat empty propane cylinders with the same level of care and attention as if they were full

Propane tank safety is vital, particularly when it comes to businesses that use propane every day. By prioritizing safe use of propane, these businesses can take measures to prevent propane-related accidents.

Transportation

To ensure safe transport of propane tanks, CGA and OSHA advise workers to:

Keep propane tanks upright and secure them during transport

Close all propane tank valves and seal them with a plug as needed, even if the cylinders are empty

Avoid leaving propane tanks in closed vehicles

Ventilate propane tanks during transport

Avoid smoking when handling or transporting propane tanks

When a vehicle transporting propane tanks reaches its final destination, CGA and OSHA require workers to keep the vehicle at least 5 ft. away from propane tank storage containers. This ensures that propane tank valves are easily accessible.

OSHA Offers Propane-Powered Forklift Safety Checklist 

Propane tank safety is a key consideration for forklift operators. Of course, these operators can conduct inspections to validate the safety, quality, and integrity of their machines as well. 

Businesses that use propane-powered forklifts must do everything in their power to ensure their operators know how to safely use their machines. The following OSHA propane-powered forklift safety checklist can help these companies and their employees do just that. 

Daily Key Off Inspection Checklist

Operators should inspect the following components of propane-powered forklifts daily before they start to use them: 

  • Overhead guard 
  • Hydraulic cylinders 
  • Mast assembly 
  • Lift rollers and chains 
  • Forks 
  • Tires 
  • LPG tank, locator pin, and hose 
  • Gas gauge 

They should also:

  • Look at the engine oil level 
  • Assess the battery 
  • Verify the hydraulic fluid level 
  • Examine the engine coolant level 

If any issues are identified, the operator should correct them immediately. If a forklift is in need of significant repairs, the machine should be taken out of commission. At this point, the forklift can be repaired by a qualified technician. Only after the forklift is repaired and evaluated by a qualified technician should it be used once again. 

Daily Key On and Engine Running Inspection Checklist

When an operator puts the key into their forklift’s ignition, he or she can validate that the machine’s front, tail, and brake lights work correctly. The operator can also inspect the following engine components:

  • Gauges 
  • Oil pressure indicator lamp 
  • Ammeter indicator lamp 
  • Hour meter 
  • Water temperature gauge 

Now is a great time to test the forklift’s steering, brakes, and horn as well. If the lift has a safety seat, verify the seat is functioning as expected, too. 

Lastly, an operator can check the performance of various forklift load-handling attachments and the machine’s transmission fluid level. He or she can address minor issues on their own. If a forklift requires substantial repairs, the machine should be brought to a qualified technician.   

Propane Tank Safety Tips

Along with CGA and OSHA propane tank safety requirements, businesses can use the following tips to further reduce their risk of propane-related accidents:

Beware Damaged Propane Tanks

Never use a damaged propane tank. Instead, notify a propane supplier to safely dispose of the defective tank.

Take Advantage of an Overfill Protection Device

Use a propane tank that has an overfill protection device in place. This device ensures the tank is filled to the proper level; otherwise, if the tank is overfilled, propane in the cylinder won’t have sufficient room to expand and may combust.

Test for Propane Tank Leaks

Apply a leak detector solution or soapy water to a propane tank’s connector valve and outlet. Then, open the cylinder valve to see if bubbles start to form. If bubbles develop, double-check the connection by closing the valve, tightening it, and opening the valve again. At this point, if bubbles still develop, the tank is defective and must be replaced.

Forklift Propane Tank FAQs

1. How long does a tank last?

A typical propane tank lasts six to eight hours. The length of time that the tank can be used varies based on the size of a forklift’s engine. 

2. When does a tank need to be replaced?

Tanks of 100 lbs. or less have an expiration date of 12 years from when they were manufactured. They must be inspected and requalified every five to 10 years. 

3.Can tanks be stored anywhere at a worksite?

No. Tanks must be stored in a safe location to limit the risk of explosions, spills, and other issues that otherwise hamper workplace safety

The Bottom Line on Forklift Propane Tank Use and Storage

Propane safety is a key consideration, especially if a business uses propane-powered forklifts. By educating workers about propane tank safety, a business can lower its risk of propane-related accidents. 

Certification training programs are available to teach your workers about safe use and storage of forklift propane tanks. A certification training program lets your employees learn about forklift safety at their own speed. It also allows them to become OSHA-approved forklift operators.  

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LPG Fork Truck issues | Practical Machinist

I'm a lurker on this forum and I am hoping that someone can help me with a very temperamental Fork Truck. It's a LPG powered Hyster 50C that until recently performed it’s occasional duty flawlessly with virtually no maintenance other than oil and grease for the last 20 years. Last week the engine began to slow and eventually would not start. After inspection of the fuel system I determined that it was full of old black oil and completely gummed up. I have no idea how so much oil got into the system other than maybe a bad tank of fuel? or perhaps buildup over time? Anyhow, I decided it was time for a complete fuel system over haul and proceeded to rebuild the Zenith Carburetor, install a new solenoid (the old one was stuck open), a new rabbit ear regulator (poured oil out of the old one), a new vaporizer (rusted solid) and new lines.

The good news was the truck fired right up! no choke needed. I adjusted the idle speed and mixture setting the mixture jet(?) in its original position. Unfortunately I do not have a manual on the LPG conversion of this truck and my shop manual for the Hyster/Continental does not cover LPG tuning.

Now for the bad news... after the truck warms up, it will die if I so much as touch the throttle. It appears that it needs allot of vacuum to keep running. Does anyone know what's wrong? How to tune a LPG carburetor? and/or where to get a LPG/Zenith repair manual?

Thanks - JLS the oil and gunge is what is called heavy ends ....

this should be cleaned out of the vapouriser every 20,000 miles if it was a car ...

tuning

if its open loop and not 02 sensor controlled ...
you have an open loop system

in that case you have just two adjustments to make .

one is a small screw on the vapouriser .

the other is a larger one ..near the take off for the main vapour piper ...or actually on it .

start off by getting it ticking over .......with the small one .


this small one effects the tick over speed ..........and the amount of lpg..........feed going from tick-over to about revs or so ......

so if you don't have it open enough ....it will stall.......on transition...from tick over ..to the main feed mode

so its just a case of opening up the tick over one ...a little bit more

then it should run ......ok ...through the transition .

once you've done this ......you can do acceleration test ...driving the fork lift up a straint and lrevelk road many times .....and making adjustments.....gradually opening the large screw ....untill it makes no difference ........then .turning it back again ...till it just starts to make a difference in the out and out performance .

if this does not fix the problem ..then you may have other issues like blocked tick over jet.

on LPG, ignition system has to me spot on .............it is a lot harder for the spark to jump the gap ....in LPG vapour than petrol vapour ...

as lpg is an insultor.

so ............ plugs leads ...points ....rotor arm dizzy cap.......... should be replaced often.

if it has them

all the best...markj Clairification?

Mark - thank you for the instructions - they sound exactly like they will solve my problem. My truck is a version and the LPG conversion is of the same age, so no fear of running closed loop...

I do have a few questions to be clear. My understanding was that the device downstream of the solenoid/filter is the vaporizer? Mine has one large adjustment that is dead center and controls a diaphragm? This device is then connected to a rabbit ear regulator with no adjustments, and then to a mixer (two adjustments) that looks allot like a modified down draft Zenith carburetor? These names are from the parts or rebuild kits not from any personal knowledge...

The controls you reference sound more like the controls on the mixer? There is a small screw valve that looks like an idle mixture on a carb and I assume this is the tick over and a large needle valve on the main line is flow for the acceleration test (main jet?).

John you got all the parts names mixed up

the mixer is the part that puts the vapourised gas in the manifold ...venturi device
it is sometimes doughnut shaped with holes around it periphery

other methods are spud pipes .these are pipes that enter directly enter the manifold .no mixer .

and LPG mixer looks like this ...



or this




a vapouriser

like this



or



if not ..then you have old 60's tech that i don't understand ..

on the LPG yahoo group there is a book to download in the files section .covering all aspects of LPG

here

http://autos.groups.yahoo.com/group/lp-gas/

scroll down in the files section ....

and its there half way down ...in 10 parts of pdf files

called LPG-Vehicle-Book

all the best....markj