Yard Machines Y60 Operations Instructions Page 149

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TABLE 4. TROUBLESHOOTING GUIDE (Continued)
TROUBLE
PROBABLE CAUSE
REMEDY
2. FUEL SYSTEM
Fuel does not reach
carburetor
No fuel in fuel tank
Fuel pump inoperative
Fuel line air leak between tank
and fuel pump
Fill fuel tank.
Replace pump.
Repair or replace line.
Fuel reaches carburetor,
but does not reach
cylinders
Fuel line clogged
Fuel tank cap vent clogged
Choke does not close
Fuel passage in carburetor
clogged
Disconnect and blow out lines.
Clean vent.
Free-up and lubricate, inspect for
proper operation.
Clean or replace carburetor.
Carburetor float valve stuck
closed
Report to designated authority.
High fuel consumption
Lubricant in power train too
heavy
Use correct lubricant.
Incorrect adjustment of
carburetor
Adjust carburetor.
Vehicle overloaded
Reduce loads to specified maximum
capacity.
Low fuel pressure
Tight brakes
Adjust brakes.
Air leak in fuel lines
Tighten connections, repair lines if
damaged.
Fuel pump defective, diaphragm
Replace fuel pump.
broken; valves leaking, linkage
worn
Engine idles too fast
Fuel lines clogged
Improper carburetor throttle
stop adjustment.
Carburetor control sticking
Clean or replace lines.
Adjust throttle stop screw.
Free-up and lubricate control.
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