Winco ULPSS90/D WITH DSE 7310 CONTROL (2014) - Manual (Page 8)

8 48-00 60706-51
Single Regulator (L.P. Vapor only)
1 3 4
UNIT OFF TANK PSI 7-11 in 7-11 in
4-6 oz 4-6 oz
STARTING TANK PSI 7-11 in 7-11 in
4-6 oz 4-6 oz
NO LOAD TANK PSI 7-11 in 7-11 in
4-6 oz 4-6 oz
FULL LOAD TANK PSI 7-11 in 7-11 in
4-6 oz 4-6 oz
Two (2) Regulator System (L.P. Vapor only)
1  3 4
UNIT OFF TANK PSI 10-15 lbs 7-11 in 7-11 in
4-6 oz 4-6 oz
STARTING TANK PSI 10-15 lbs 7-11 in 7-11 in
4-6 oz 4-6 oz
NO LOAD TANK PSI 10-15 lbs 7-11 in 7-11 in
4-6 oz 4-6 oz
FULL LOAD TANK PSI 10-15 lbs 7-11 in 7-11 in
4-6 oz 4-6 oz
Natural Gas
 3 4
UNIT OFF LINE PSI 7-11 in 7-11 in
4-6 oz 4-6 oz
STARTING LINE PSI 7-11 in 7-11 in
4-6 oz 4-6 oz
NO LOAD LINE PSI 7-11 in 7-11 in
4-6 oz 4-6 oz
FULL LOAD LINE PSI 7-11 in 7-11 in
4-6 oz 4-6 oz
Notice the preceding tables give two (2) different units of
measuring fuel pressure. The first is with a pressure gauge
calibrated in ounces per square inch. The second and most
accurate is the use of a simple water manometer. A manometer
is calibrated in inches of water column.
Remember that whichever fuel delivery system or type of vapor
fuel used, the fuel pressure at the demand regulator installed on
the engine generator must be between 4 and 6 oz. (7-11 inches
of water column). Any lower pressure and the unit will starve
for fuel under load. Any higher and the unit may ‘flood’ when
attempting to start.
LP LIQUID WITHDRAWAL SYSTEMS
When installing a unit equipped the LP liquid withdrawal a
primary regulator is not required on the supply tank. The supply
line is connected to a liquid withdrawal valve on the supply
tank and runs directly to the fuellock strainer mounted on the
engine generator set. Normally a 3/8 to 1/ inch copper line is
acceptable for this type of fuel installation. You must be sure
that the valve you have connected to on the supply tank is in
fact a liquid supply valve and has a drop tube inside the tank
that is pulling fuel from the bottom of the supply tank. Before
starting the unit you must confirm that you have a good liquid
supply at the unit. Engine generator sets equipped for liquid
withdrawal will not run properly when supplied with high
pressure vapor fuel.
LUBRICATION
Before starting the engine, check the oil level in the crankcase.
If it is low, refill to the full mark with the proper weight/grade of
oil as recommended by the engine manufacturer’s maintenance
instructions. The necessity of using the correct oil, and keeping
the crankcase full cannot be over emphasized. Failure to use
the proper oil and keep the crankcase properly filled will cause
excessive engine wear and shorten its useful life.
COOLANT
Before starting the engine, check the coolant level in radiator.
If it is low, refill as specified in the engine manufacturer’s
maintenance instructions. The radiator should be filled to about
1 inch below the filler neck. For additional information on engine
coolant requirements see engine manufacturer’s maintenance
instructions.