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Page Title:
TABLE 4. TROUBLESHOOTING GUIDE - continued |
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 TABLE 4. TROUBLESHOOTING GUIDE (Continued)
REMEDY
PROBABLE CAUSE
TROUBLE
2. FUEL SYSTEM
Fill fuel tank.
No fuel in fuel tank
Fuel does not reach
carburetor
Replace pump.
Fuel pump inoperative
Repair or replace line.
Fuel line air leak between tank
and fuel pump
Disconnect and blow out lines.
Fuel line clogged
Clean vent.
Fuel tank cap vent clogged
Fuel reaches carburetor,
Free-up and lubricate, inspect for
Choke does not close
but does not reach
proper operation.
cylinders
Clean or replace carburetor.
Fuel passage in carburetor
clogged
Report to designated authority.
Carburetor float valve stuck
closed
Use correct lubricant.
Lubricant in power train too
High fuel consumption
heavy
Adjust carburetor.
Incorrect adjustment of
carburetor
Reduce loads to specified maximum
Vehicle overloaded
capacity.
Adjust brakes.
Tight brakes
Tighten connections, repair lines if
Air leak in fuel lines
Low fuel pressure
damaged.
Replace fuel pump.
Fuel pump defective, diaphragm
broken; valves leaking, linkage
worn
Clean or replace lines.
Fuel lines clogged
Adjust throttle stop screw.
Improper carburetor throttle
Engine idles too fast
stop adjustment.
Free-up and lubricate control.
Carburetor control sticking
4-77
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