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A lot of lift trucks are powered using liquid propane. Even if some facilities will have refuelling capabilities on site, several would have cylinders brought to their workplace instead. Whenever a lift truck runs out of fuel, the cylinders are changed. Several cautions and training is considered necessary if dealing with propane for the reason that it is a highly combustible material.
Instructions
Personal Protective Equipment, or PPE, must be worn previous to changing or filling a lift truck cylinder. Since liquid propane is really cold, it can cause burns if it comes into contact with the skin. Always wearing thick leather gloves will help protect hands. Goggles or several standard eyewear together with a face shield is also extremely recommended. Having a fire extinguished close at hand is also recommended before the refuelling method starts.
Make certain the forklift is turned off previous to starting and extinguish whatever cigarettes or open flames in the area. Look for the fill valve on the cylinder and remove the protective plastic cover, afterward securely connect the fill line to the fill valve. After the fill line is in place, carefully open the bleed valve. This will be a small spherical knob on the cylinder which is commonly brass coloured. A hissing sound may escape when the valve is open and this is normal so long as it is just air being vented and not actual propane.
Open the valve really gradually on the fill line, listening for whatever leaks. If there are no leaks, then the valve can be carefully opened. The sounds of fuel entering the tank should be audible. By no means leave the tank unattended when refuelling and watch the bleeder valve during the process. A spray of white propane gas will emit from the bleeder valve once the tank is full. Turn the fill valve off totally and afterward close the bleeder valve. Very gradually and cautiously remove the fill line from the tank. Watch for whichever extra gas caught in the coupling which would be expelled when the seal is broken. It should only be a small amount of gas and is normal. Put back the protective cover on the fill valve. Double check all valves are absolutely closed. The tank is now set and full to use.
Besides the hassle of having to change the propane cylinder, there are some risks connected with running out of fuel with propane forklifts. These models are quite a bit lower in their purchase price than electric and diesel forklifts. The debate to whether or not the propane emissions are cleaner compared to diesel emissions continues in the industry.
The propane forklift performs better compared to most electric models on the market nowadays on tasks which require high applications and constant duty drive line torque. There are several electric units which are supposed to handle better or equally. Depending on the particular situation, propane lifts might or might not be acceptable for handling eligible goods and food. So long as WorkSafeBC criteria are met, propane forklifts are acceptable for the majority of indoor applications.
The LPG's major drawbacks when compare to the diesel forklift includes the fact that they are not as effective when performing jobs that need high and or constant duty drive line torque. These units have a liability exposure, because of the possibility of a fuel system leak while the truck is located indoors. Furthermore, operators should be trained on the safe use of propane fuel. The rearward visibility off of the counterweight's back end is limited. This is because of the location of the propane tank.
