Lincoln Electric RANGER 250 LPG IM931 - Manual (Page 12)

A-4 INSTALLATION
RANGER 250 LPG
A-4
Be certain that the cylinder valve is CLOSED before
attempting to attach the fuel supply hose coupler to
the cylinder. Connect the coupler to the fuel cylinder
and tighten by hand.
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After connecting the fuel supply to the supply cylinder,
open the valve on the fuel cylinder and leak test by
brushing a 50/50 soap and water solution on to the fol-
lowing connections:
• Both ends of the fuel hose where it enters the metal connector.
• The threaded fitting on the end of fuel hose attached to the
Ranger 250 LPG fuel shut off solenoid.
• The fuel hose coupler and the connection to the cylinder valve.
• The stem of the cylinder valve and where the valve is attached
to the top of the cylinder.
• All other fittings on top of the fuel cylinder.
If growing bubbles appear, there is a leak. Re-tighten
connection or replace defective component. Retest to
make sure that there is no leak.
Leak test must be performed each time the fuel cylin-
der is replaced.
Always close the cylinder valve when the machine is
not being used.
The specification for aluminum lift truck cylinders are
shown below:
Capacity Cylinder Weight Foot ring
LP-Gas Volume Empty Outside
(LBS.) (Cu. In.) (LBS.) Diameter
33.5 2219 22.5 9 3/8”
43.5 2873 25.5 9 3/8”
Note: The Ranger 250 LPG cannot be used with vapor
draw LP gas cylinders such as those used for
recreation vehicles, trailers, grills, and boats.
PRE-OPERATION SERVICE
READ the engine operating and maintenance
instructions supplied with this machine.
FUEL
A lift truck type coupler is provided on the supplied
fuel line for easy hand attachment to a lift truck type
LPG fuel cylinder. The fuel cylinder must meet D.O.T.
Specification 4E-240. The valve on the fuel cylinder
must be installed on the outlet marked “LIQUID”.
The engine will not develop full power if connected to
the vapor outlet.
LPG fuel can cause fire or explosion. -
• All leak testing must be done in a
well ventilated area free from all
potential ignition sources.
• Keep sparks and flame away from machine
and LPG supply cylinder.
• Do not expose the LPG supply cylinder to
temperatures exceeding 120°F (49°C).
• Do not weld on or near the LPG supply cylin-
der.
• Do not smoke or allow any potential ignition
sources near the LPG supply cylinder.
• Always be certain that the LPG supply cylinder is
NOT in the welding circuit. Do not allow either
welding cable to come in contact with the supply
cylinder.
• Replace the fuel supply hose if there is
excessive abrasion, cracks or wear or if the
hose is cut.
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WARNING
CAUTION
CAUTION
VEHICLE MOUNTING
Improperly mounted concentrated loads may
cause unstable vehicle handling and tires or other
components to fail.
• Only transport this Equipment on serviceable
vehicles which are rated and designed for such
loads.
• Distribute, balance and secure loads so vehicle
is stable under conditions of use.
• Do not exceed maximum rated loads for compo-
nents such as suspension, axles and tires.
• Use appropriate nuts bolts and lockwashers to
attach the equipment base to the metal bed or
frame of vehicle.
• Follow vehicle manufacturer’s instructions.
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WARNING