Landa SLT/SLX • Gas 8.914-002.0 • Rev. 4/13
17
PRESSURE
W
ASHER
Tr
oub
leshooting Guide
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
SOLUTION
BURNER WILL
NOT LIGHT
(continued from
previous page)
Fuel reaching combustion chamber
Check fuel pump for proper flow. Check solenoid
flow switch on machines with spray gun control,
for proper on-off fuel flow control.
Clogged burner nozzle
Clean as required.
Thermostat faulty or slow engine
speed
Increase engine RPM to increase voltage.
Flow switch malfunction
Remove, test for continuity and replace as
needed.
Flow solenoid malfunction
Replace if needed.
FLUCTUATING
PRESSURE
Valves worn
Check and replace if necessary.
Blockage in valve
Check and replace if necessary.
Pump sucking air
Check water supply and air
seepage at joints in suction line.
Worn piston packing
Check and replace if necessary.
Gasoline engine altitude
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.
MACHINE
SMOKES
Improper fuel or water in fuel
Drain tank and replace contaminated fuel.
Improper air adjustment
Readjust air bands on burner assembly.
Low fuel pressure
Adjust fuel pump pressure to specifications.
Plugged or dirty burner nozzle
Replace nozzle.
Faulty burner nozzle spray pattern
Replace nozzle.
Heavy accumulation of soot on coils
and burner assembly
Remove coils and burner assembly, clean
thoroughly.
Obstruction in smoke stack
Check for insulation blockage or other foreign
objects.
Low engine RPM
Increase RPM.
LOW WATER
TEMPERATURE
Improper fuel or water in fuel
Replace with clean and proper fuel.
Low fuel pressure
Increase fuel pressure.
Weak fuel pump
Check fuel pump pressure. Replace pump if
needed.
Fuel filter partially clogged
Replace as needed.
Soot build-up on coils not allowing
heat transfer
Clean coils.
Improper burner nozzle
See specifications.
