Landa SLT6-30224E Operator's Manual page 17

PROBLEM POSSIBLE CAUSE
BURNER WILL Fuel reaching combustion chamber
NOT LIGHT
(continued from
previous page)
Clogged burner nozzle
Thermostat faulty or slow engine
speed
Flow switch malfunction
Flow solenoid malfunction
FLUCTUATING Valves worn
PRESSURE
Blockage in valve
Pump sucking air
Worn piston packing
Gasoline engine altitude
MACHINE
Improper fuel or water in fuel
SMOKES
Improper air adjustment
Low fuel pressure
Plugged or dirty burner nozzle
Faulty burner nozzle spray pattern
Heavy accumulation of soot on coils
and burner assembly
Obstruction in smoke stack
Low engine RPM
LOW WATER
Improper fuel or water in fuel
TEMPERATURE
Low fuel pressure
Weak fuel pump
Fuel filter partially clogged
Soot build-up on coils not allowing
heat transfer
Improper burner nozzle
TROUBLESHOOTING
Landa SLT/SLX • Gas 8.914-002.0 • Rev. 4/13
SOLUTION
Check fuel pump for proper flow. Check solenoid
flow switch on machines with spray gun control,
for proper on-off fuel flow control.
Clean as required.
Increase engine RPM to increase voltage.
Remove, test for continuity and replace as
needed.
Replace if needed.
Check and replace if necessary.
Check and replace if necessary.
Check water supply and air
seepage at joints in suction line.
Check and replace if necessary.
The gasoline engine is preset for operation
at altitudes below 1000 feet above sea level.
If operated at higher altitudes, it may be
necessary to install a high altitude main jet in the
carburetor. Contact your local authorized engine
sales and service center for details.
Drain tank and replace contaminated fuel.
Readjust air bands on burner assembly.
Adjust fuel pump pressure to specifications.
Replace nozzle.
Replace nozzle.
Remove coils and burner assembly, clean
thoroughly.
Check for insulation blockage or other foreign
objects.
Increase RPM.
Replace with clean and proper fuel.
Increase fuel pressure.
Check fuel pump pressure. Replace pump if
needed.
Replace as needed.
Clean coils.
See specifications.
17