Kohler CV11-16, Service Manual

Page: 41 / 150

5.11
Section 5
Fuel System and Governor
5
If these check out, the solenoid should be removed
for bench testing. Remember to shut off fuel supply
and catch any fuel spilling from the carburetor as the
solenoid is removed.
Bench test the solenoid by grounding the solenoid
case and applying 12 volt DC to the spade terminal. If
the plunger does not retract in this test, the solenoid
is faulty and must be replaced. Always use a new fuel
bowl gasket whenever the solenoid is installed. Refer
to the appropriate wiring diagram in Section 8 for
connecting the fuel shut-off solenoid.
LPG Systems
Components of a typical LPG (liquefi ed propane gas)
system are shown in Figure 5-15. This subsection
covers standard systems as shown in Figure 5-15 and
engines equipped with the Kohler Emission Sentry
™
System.
Fuel Recommendations (LPG)
WARNING: Pressurized LPG!
Fuel tanks are fi lled under pressure and should be
handled with care. To prevent tank damage which
could endanger the safety of the operator or persons
in the area, do not drop or drag tanks on any surface.
Use a hand truck when moving, or tilt the tank on its
footring in a position slightly off vertical and roll it.
Avoid personal contact with LPG fuel to prevent
frostbite. See a physician if frostbite occurs.
WARNING: Explosive Fuel!
LPG is extremely fl ammable and is heavier than air
and tends to settle in low areas where a spark or
fl ame could ignite the gas. Do not start or operate this
engine in a poorly ventilated area where leaking gas
could accumulate and endanger the safety of persons
in the area.
LPG fuel consists primarily of propane, although the
fuel supplier may sometimes mix other gases with
propane.
Fuel tanks must be fi lled only by persons qualifi ed in
the handling of LPG. Tanks are fi lled by weight and
should not be overfi lled (never to more than 80% of
total capacity). An air space must be present in the
tank to allow fuel to expand.
Tanks must be removed from equipment before fi lling.
Figure 5-15. Schematic Showing Components of Typical LPG System.
LP Carburetor
Vacuum* Lines
Fuel
Delivery
Line
Dry Gas Regulator
*On some applications the vacuum
line goes directly into the intake
side of the cylinder head.
Automatic Shut-off
Valve (Vacuum Lockoff,
maybe part of regulator)
Propane Supply Tank
(Vapor Withdrawal)
Dry Gas Filter
High Pressure Lines