15
LOW OIL AND DIRTY OIL
account for most of the other failures. ONYX recommends changing the oil
on a
regular schedule,
perhaps exceeding that which is found in the engine manufacturers' manual. Checking
the oil daily, before putting the machine to work, is a good habit to get into and could save you the downtime
and expense of replacing the engine due to oil starvation.
AFTER AN OIL CHANGE, MAKE SURE YOU
HAVE REPLACED THE OIL SUPPLY BEFORE RESTARTING THE ENGINE.
Propane Safety Information
Facts About LP Gas - Propane
As a fuel, Propane gas is unmatched for both safety and dependability. It has been used as a domestic
household fuel for over half a century, and for over thirty years as an internal combustion engine fuel.
Propane is a highly flammable fuel that is contained under pressure as a liquid. Vaporized gas has a similar
explosive force to gasoline and mixtures as low as 2% LP Gas to air may be ignited in a closed
environment. Care should be exercised to avoid escaping vapor as it can freeze skin and cause frost bite.
Vaporized fuel is heavier than air and will collect in the lowest confined space available.
Facts About Propane Tanks
Propane tanks are constructed according to ASME or Federal DOT #4ET20 pressure safety codes.
Including the tank, all valves and fittings are UL Listed. Propane gas is noncorrosive and will not rust the
inside of a tank. Should the tank exterior become damaged or rusted, discontinue use.
DO NOT
tamper
with tank gauges or safety relief valves.
NEVER
use a tank not intended for use with a propane buffer.
DO
NOT
substitute tanks that are used with a barbecue grill, etc. ONYX recommends having propane tanks
tested once a year by an authorized National LP Gas Association propane dealer.
The fuel tank is supplied directly from the manufacturer and is void of fuel. This tank must be purged 'at the
time of the first fill. Local fuel vendors should be familiar with this operation and will provide this service.
Recommended Purge Procedures
How to purge new LP-Gas Buffer cylinders equipped with the Overfill Prevention Device:
New containers may contain vapor, air, or other contaminants. It is essential that these be removed before
filling the container and placing it into service. Air in the container will cause abnormally high pressure, with
the result that the pressure relief valve may open.
Air in the system is also likely to cause lean mixture,
making ignition difficult.
If a cylinder is suspected of being depressurized or open to the atmosphere for a
period of time, it must be re-purged as if it were a new container.
To purge a container, the following steps should be taken.
Purging of containers should be performed in an approved area (see NFPA 05 8) using NPGA #13 3.89(a)
procedure.
1. Determine if the container pressure is zero. Should the cylinder contain only pressurized air, the air may
be vented directly to the atmosphere through the service valve using an adapter and the outage valve.
2. Pressurize the container to approximately 15 psig with LP-gas vapor.
Never purge with liquid LP-gas!
To
do so will cause the moisture vapor to chill and remain in the cylinder. LP gas liquid also expands 270 times
to vapor making the purge process ineffective.
Use LP-gas vapor only!
3. Make the connection to the quick coupler (A purge manifold system is most effective). Fully open the
cylinder service valve as well as the outage valve. Vent to a safe atmosphere. A vent stack is
recommended.
4. On Overfill Prevention Device cylinders, the purge time is increased as a result of the new valve design.
Opening the outage valve will help improve the speed of the purge.
5. Repeat #3 and #4 for a total of FIVE purges.
6. Repressurize the container with odorized LP-gas vapor to 15 psig.
7
. The container is now ready to be filled with LP-gas.
8. Once filled, check all fittings and tank openings for leaks using an approved leak detector solution.
9. The container is now ready to be placed in service. Add DOT and OSHA labels.
