Shark SSG-403037E, Operator'S Manual, Page: 16 / 40

SSG฀579-585฀฀•฀9.801-193.0฀฀•฀฀Rev.฀3/14
PRESSURE
W
ASHER
T
roub
leshooting Guide
16
TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
BURNER WILL
NOT LIGHT
(continued from
previous page)
Flex coupling slipping on fuel
pump shaft or burner motor shaft Replace if needed.
On-Off switch defective Check for electrical current reaching burner
assembly with burner switch on.
Heavy sooting on coil and burner
can cause interruption of air flow and
shorting of electrodes Clean as required.
Improper electrode setting Check and reset according to diagram in
Operator's Manual.
Fuel not 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 ft 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.
Misaligned electrode setting Realign electrodes to specifications.
Obstruction in smoke stack Check for insulation blockage or other
foreign objects.
Low engine RPM Increase RPM